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Chaptewr 5 Special Occupancies | 555.53 | The main overcurrent protective device that feeds the floating building shall have ground-fault protection not exceeding 100 mA. Ground-fault protection of each individual branch or feeder circuit shall be permitted as a suitable alternative. Outdoor outlets, shore power outlets, and boat hoists located at floating buildings shall comply with 555.35(B) and (C). [555.53](https://2023.antflix.net#555.53) | https://2023.antflix.net#555.53 |
Chaptewr 5 Special Occupancies | 555.54 | Grounding at floating buildings shall comply with 555.54(A) through (D). [555.54](https://2023.antflix.net#555.54) | https://2023.antflix.net#555.54 |
Chaptewr 5 Special Occupancies | 555.54(A) | Grounding of both electrical and nonelectrical parts in a floating building shall be through connection to a grounding bus in the building panelboard. [555.54(A)](https://2023.antflix.net#555.54(A)) | https://2023.antflix.net#555.54(A) |
Chaptewr 5 Special Occupancies | 555.54(B) | The equipment grounding conductor shall be installed with the feeder conductors and connected to a grounding terminal in the service equipment. [555.54(B)](https://2023.antflix.net#555.54(B)) | https://2023.antflix.net#555.54(B) |
Chaptewr 5 Special Occupancies | 555.54(C) | The equipment grounding conductor shall be an insulated copper conductor with a continuous outer finish that is either green or green with one or more yellow stripes. For conductors larger than 6 AWG, or where multiconductor cables are used, re-identification of conductors allowed in 250.119(B)(2)b. and (B)(2)c. shall be permitted. [555.54(C)](https://2023.antflix.net#555.54(C)) | https://2023.antflix.net#555.54(C) |
Chaptewr 5 Special Occupancies | 555.54(D) | The grounding terminal in the service equipment shall be grounded by connection through an insulated grounding electrode conductor to a grounding electrode on shore. [555.54(D)](https://2023.antflix.net#555.54(D)) | https://2023.antflix.net#555.54(D) |
Chaptewr 5 Special Occupancies | 555.55 | The grounded circuit conductor (neutral) shall be an insulated conductor identified in compliance with 200.6. The neutral conductor shall be connected to the equipment grounding terminal in the service equipment, and, except for that connection, it shall be insulated from the equipment grounding conductors, equipment enclosures, and all other grounded parts. The neutral conductor terminals in the panelboard and in ranges, clothes dryers, counter-mounted cooking units, and the like shall be insulated from the enclosures. [555.55](https://2023.antflix.net#555.55) | https://2023.antflix.net#555.55 |
Chaptewr 5 Special Occupancies | 555.56(A) | All enclosures and exposed metal parts of electrical systems shall be connected to the grounding bus. [555.56(A)](https://2023.antflix.net#555.56(A)) | https://2023.antflix.net#555.56(A) |
Chaptewr 5 Special Occupancies | 555.56(B) | Where required to be grounded, cord-connected appliances shall be grounded by means of an equipment grounding conductor in the cord and a grounding-type attachment plug. [555.56(B)](https://2023.antflix.net#555.56(B)) | https://2023.antflix.net#555.56(B) |
Chaptewr 5 Special Occupancies | 590.1 | The provisions of this article apply to temporary electric power and lighting installations. [590.1](https://2023.antflix.net#590.1) | https://2023.antflix.net#590.1 |
Chaptewr 5 Special Occupancies | 590.2(A) | Except as specifically modified in this article, all other requirements of this Code for permanent wiring shall apply to temporary wiring installations. [590.2(A)](https://2023.antflix.net#590.2(A)) | https://2023.antflix.net#590.2(A) |
Chaptewr 5 Special Occupancies | 590.2(B) | Temporary wiring methods shall be acceptable only if approved based on the conditions of use and any special requirements of the temporary installation. [590.2(B)](https://2023.antflix.net#590.2(B)) | https://2023.antflix.net#590.2(B) |
Chaptewr 5 Special Occupancies | 590.3(A) | Temporary electric power and lighting installations shall be permitted during the period of construction, remodeling, maintenance, repair, or demolition of buildings, structures, equipment, or similar activities. [590.3(A)](https://2023.antflix.net#590.3(A)) | https://2023.antflix.net#590.3(A) |
Chaptewr 5 Special Occupancies | 590.3(B) | Temporary electric power and lighting installations shall be permitted for a period not to exceed 90 days for holiday decorative lighting and similar purposes. [590.3(B)](https://2023.antflix.net#590.3(B)) | https://2023.antflix.net#590.3(B) |
Chaptewr 5 Special Occupancies | 590.3(C) | Temporary electric power and lighting installations shall be permitted during emergencies and for tests, experiments, and developmental work. [590.3(C)](https://2023.antflix.net#590.3(C)) | https://2023.antflix.net#590.3(C) |
Chaptewr 5 Special Occupancies | 590.3(D) | Temporary wiring shall be removed immediately upon completion of construction or purpose for which the wiring was installed. [590.3(D)](https://2023.antflix.net#590.3(D)) | https://2023.antflix.net#590.3(D) |
Chaptewr 5 Special Occupancies | 590.4(A) | Services shall be installed in conformance with Parts I through VIII of Article 230, as applicable. [590.4(A)](https://2023.antflix.net#590.4(A)) | https://2023.antflix.net#590.4(A) |
Chaptewr 5 Special Occupancies | 590.4(B) | Overcurrent protection shall be provided in accordance with 240.4, 240.5, 245.26, 445.12, and 445.13. Conductors shall be permitted within cable assemblies or within multiconductor cords or cables of a type identified in Table 400.4 for hard usage or extra-hard usage. For the purpose of this section, the following wiring methods shall be permitted: Type NM, Type NMC, and Type SE cables shall be permitted to be used in any dwelling, building, or structure without any height limitation or limitation by building construction type and without concealment within walls, floors, or ceilings.Type SE cable shall be permitted to be installed in a raceway in an underground installation.Exception: Single insulated conductors shall be permitted where installed for the purpose(s) specified in 590.3(C) and accessible only to qualified persons. [590.4(B)](https://2023.antflix.net#590.4(B)) | https://2023.antflix.net#590.4(B) |
Chaptewr 5 Special Occupancies | 590.4(C) | All branch circuits shall originate in an approved power outlet, switchgear, switchboard or panelboard, motor control center, or fused switch enclosure. Conductors shall be permitted within cable assemblies or within multiconductor cord or cable of a type identified in Table 400.4 for hard usage or extra-hard usage. Conductors shall be protected from overcurrent as provided in 240.4, 240.5, and 245.26. For the purposes of this section, the following wiring methods shall be permitted: Type NM, Type NMC, and Type SE cables shall be permitted to be used in any dwelling, building, or structure without any height limitation or limitation by building construction type and without concealment within walls, floors, or ceilings.Type SE cable shall be permitted to be installed in a raceway in an underground installation.Exception: Branch circuits installed for the purposes specified in 590.3(B) or 590.3(C) shall be permitted to be run as single insulated conductors. Where the wiring is installed in accordance with 590.3(B), the voltage to ground shall not exceed 150 volts, the wiring shall not be subject to physical damage, and the conductors shall be supported on insulators at intervals of not more than 3.0 m (10 ft); or, for festoon lighting, the conductors shall be so arranged that excessive strain is not transmitted to the lampholders. [590.4(C)](https://2023.antflix.net#590.4(C)) | https://2023.antflix.net#590.4(C) |
Chaptewr 5 Special Occupancies | 590.4(D)(1) | All receptacles shall be of the grounding type. Unless installed in a continuous metal raceway that qualifies as an equipment grounding conductor in accordance with 250.118 or a continuous metal-covered cable that qualifies as an equipment grounding conductor in accordance with 250.118, all branch circuits shall include a separate equipment grounding conductor, and all receptacles shall be electrically connected to the equipment grounding conductor(s). Receptacles on construction sites shall not be installed on any branch circuit that supplies temporary lighting. [590.4(D)(1)](https://2023.antflix.net#590.4(D)(1)) | https://2023.antflix.net#590.4(D)(1) |
Chaptewr 5 Special Occupancies | 590.4(D)(2) | All 15- and 20-ampere, 125- and 250-volt receptacles installed in a wet location shall comply with 406.9(B)(1). [590.4(D)(2)](https://2023.antflix.net#590.4(D)(2)) | https://2023.antflix.net#590.4(D)(2) |
Chaptewr 5 Special Occupancies | 590.4(E) | Suitable disconnecting switches or plug connectors shall be installed to permit the disconnection of all ungrounded conductors of each temporary circuit. Multi-wire branch circuits shall be provided with a means to disconnect simultaneously all ungrounded conductors at the power outlet or panelboard where the branch circuit originated. Identified handle ties shall be permitted. [590.4(E)](https://2023.antflix.net#590.4(E)) | https://2023.antflix.net#590.4(E) |
Chaptewr 5 Special Occupancies | 590.4(F) | All lamps for general illumination shall be protected from accidental contact or breakage by a suitable luminaire or lampholder with a guard. Metal guarded sockets shall not be used unless the metal guard is connected to the circuit equipment grounding conductor. [590.4(F)](https://2023.antflix.net#590.4(F)) | https://2023.antflix.net#590.4(F) |
Chaptewr 5 Special Occupancies | 590.4(G) | A box, conduit body, or other enclosure, with a cover installed, shall be required for all splices. Exception No. 1: On construction sites, a box, conduit body, or other enclosure shall not be required for either of the following conditions: (1) The circuit conductors being spliced are all from nonmetallic multiconductor cord or cable assemblies, provided that the equipment grounding continuity is maintained with or without the box. (2) The circuit conductors being spliced, are all from metal-sheathed cable assemblies terminated in listed fittings that mechanically secure the cable sheath to maintain effective electrical continuity. Exception No. 2: On construction sites, branch-circuits that are permanently installed in framed walls and ceilings and are used to supply temporary power or lighting, and that are GFCI protected, the following shall be permitted: (1) A box cover shall not be required for splices installed completely inside of junction boxes with plaster rings. (2) Listed pigtail-type lampholders shall be permitted to be installed in ceiling-mounted junction boxes with plaster rings. (3) Finger safe devices shall be permitted for supplying and connection of devices. [590.4(G)](https://2023.antflix.net#590.4(G)) | https://2023.antflix.net#590.4(G) |
Chaptewr 5 Special Occupancies | 590.4(H) | Flexible cords and cables shall be protected from accidental damage. Sharp corners and projections shall be avoided. Where passing through doorways or other pinch points, protection shall be provided to avoid damage. [590.4(H)](https://2023.antflix.net#590.4(H)) | https://2023.antflix.net#590.4(H) |
Chaptewr 5 Special Occupancies | 590.4(I) | Flexible cords and cables entering enclosures containing devices requiring termination shall be secured to the box with fittings listed for connecting flexible cords and cables to boxes designed for the purpose. [590.4(I)](https://2023.antflix.net#590.4(I)) | https://2023.antflix.net#590.4(I) |
Chaptewr 5 Special Occupancies | 590.4(J) | Cable assemblies and flexible cords and cables shall be supported in place at intervals that ensure that they will be protected from physical damage. Support shall be in the form of staples, cable ties, straps, or similar type fittings installed so as not to cause damage. Cable assemblies and flexible cords and cables installed as branch circuits or feeders shall not be installed on the floor or on the ground. Extension cords shall not be required to comply with 590.4(J). Vegetation shall not be used for support of overhead spans of branch circuits or feeders. Exception: For holiday lighting in accordance with 590.3(B), where the conductors or cables are arranged with strain relief devices, tension take-up devices, or other approved means to avoid damage from the movement of the live vegetation, trees shall be permitted to be used for support of overhead spans of branch-circuit conductors or cables. [590.4(J)](https://2023.antflix.net#590.4(J)) | https://2023.antflix.net#590.4(J) |
Chaptewr 5 Special Occupancies | 590.5 | Decorative lighting used for holiday lighting and similar purposes, in accordance with 590.3(B), shall be listed and shall be labeled on the product. [590.5](https://2023.antflix.net#590.5) | https://2023.antflix.net#590.5 |
Chaptewr 5 Special Occupancies | 590.6 | Ground-fault protection for personnel for all temporary wiring installations shall be provided to comply with 590.6(A) and (B). This section shall apply only to temporary wiring installations used to supply temporary power to equipment used by personnel during construction, remodeling, maintenance, repair, or demolition of buildings, structures, equipment, or similar activities. This section shall apply to power derived from an electric utility company or from an on-site-generated power source. [590.6](https://2023.antflix.net#590.6) | https://2023.antflix.net#590.6 |
Chaptewr 5 Special Occupancies | 590.6(A) | Temporary receptacle installations used to supply temporary power to equipment used by personnel during construction, remodeling, maintenance, repair, or demolition of buildings, structures, equipment, or similar activities shall comply with the requirements of 590.6(A)(1) through (A)(3), as applicable. Exception: In industrial establishments only, where conditions of maintenance and supervision ensure that only qualified personnel are involved, an assured equipment grounding conductor program as specified in 590.6(B)(2) shall be permitted for only those receptacle outlets used to supply equipment that, would create a greater hazard if power were interrupted or having a design that is not compatible with GFCI protection. [590.6(A)](https://2023.antflix.net#590.6(A)) | https://2023.antflix.net#590.6(A) |
Chaptewr 5 Special Occupancies | 590.6(A)(1) | All 125-volt, single-phase, 15-, 20-, and 30-ampere receptacle outlets that are not a part of the permanent wiring of the building or structure and that are in use by personnel shall have ground-fault circuit-interrupter protection for personnel. In addition to this required ground-fault circuit-interrupter protection for personnel, listed cord sets or devices incorporating listed ground-fault circuit-interrupter protection for personnel identified for portable use shall be permitted. [590.6(A)(1)](https://2023.antflix.net#590.6(A)(1)) | https://2023.antflix.net#590.6(A)(1) |
Chaptewr 5 Special Occupancies | 590.6(A)(2) | Ground-fault circuit-interrupter protection for personnel shall be provided for all 125-volt, single-phase, 15-, 20-, and 30-ampere receptacle outlets installed or existing as part of the permanent wiring of the building or structure and used for temporary electric power. Listed cord sets or devices incorporating listed ground-fault circuit-interrupter protection for personnel identified for portable use shall be permitted. [590.6(A)(2)](https://2023.antflix.net#590.6(A)(2)) | https://2023.antflix.net#590.6(A)(2) |
Chaptewr 5 Special Occupancies | 590.6(A)(3) | All 125-volt and 125/250-volt, single-phase, 15-, 20-, and 30-ampere receptacle outlets that are a part of a 15-kW or smaller portable generator shall have listed ground-fault circuit-interrupter protection for personnel. All 15- and 20-ampere, 125- and 250-volt receptacles, including those that are part of a portable generator, used in a damp or wet location shall comply with 406.9(A) and (B). Listed cord sets or devices incorporating listed ground-fault circuit-interrupter protection for personnel identified for portable use shall be permitted for use with 15-kW or less portable generators manufactured or remanufactured prior to January 1, 2015. [590.6(A)(3)](https://2023.antflix.net#590.6(A)(3)) | https://2023.antflix.net#590.6(A)(3) |
Chaptewr 5 Special Occupancies | 590.6(B) | For temporary wiring installations, receptacles, other than those covered by 590.6(A)(1) through (A)(3) used to supply temporary power to equipment used by personnel during construction, remodeling, maintenance, repair, or demolition of buildings, structures, or equipment, or similar activities, shall have protection in accordance with 590.6(B)(1) or the assured equipment grounding conductor program in accordance with 590.6(B)(2). [590.6(B)](https://2023.antflix.net#590.6(B)) | https://2023.antflix.net#590.6(B) |
Chaptewr 5 Special Occupancies | 590.6(B)(1) | Ground-fault circuit-interrupter protection for personnel. [590.6(B)(1)](https://2023.antflix.net#590.6(B)(1)) | https://2023.antflix.net#590.6(B)(1) |
Chaptewr 5 Special Occupancies | 590.6(B)(2) | A written assured equipment grounding conductor program continuously enforced at the site by one or more designated persons to ensure that equipment grounding conductors for all cord sets, receptacles that are not a part of the permanent wiring of the building or structure, and equipment connected by cord and plug are installed and maintained in accordance with the applicable requirements of 250.114, 250.138, 406.4(C), and 590.4(D). The following tests shall be performed on all cord sets, receptacles that are not part of the permanent wiring of the building or structure, and cord-and-plug-connected equipment required to be connected to an equipment grounding conductor:All equipment grounding conductors shall be tested for continuity and shall be electrically continuous.Each receptacle and attachment plug shall be tested for correct attachment of the equipment grounding conductor. The equipment grounding conductor shall be connected to its proper terminal.All required tests shall be performed as follows:Before first use on siteWhen there is evidence of damageBefore equipment is returned to service following any repairsAt intervals not exceeding 3 monthsThe tests required in 590.6(B)(2)(a) shall be recorded and made available to the authority having jurisdiction.The assured equipment grounding conductor program shall be documented and made available to the authority having jurisdiction.Informational Note: See OSHA 29 CFR 1910 and 1926 for requirements for assured equipment grounding conductor programs. See NFPA 70E-2018, Standard for Electrical Safety in the Workplace, for additional information. [590.6(B)(2)](https://2023.antflix.net#590.6(B)(2)) | https://2023.antflix.net#590.6(B)(2) |
Chaptewr 5 Special Occupancies | 590.7 | For wiring over 600 volts, nominal, suitable fencing, barriers, or other effective means shall be provided to limit access only to authorized and qualified personnel. [590.7](https://2023.antflix.net#590.7) | https://2023.antflix.net#590.7 |
Chaptewr 5 Special Occupancies | 590.8(A) | Overcurrent protective devices that have been previously used and are installed in a temporary installation shall be examined to ensure they have been properly installed and properly maintained, and there is no evidence of impending failure. Informational Note: See the following standards for further information for properly maintained equipment:NEMA AB 4, Guidelines for Inspection and Preventive Maintenance of Molded-Case Circuit Breakers Used in Commercial and Industrial ApplicationsNFPA 70B, Recommended Practice for Electrical Equipment MaintenanceNEMA GD 1, Evaluating Water-Damaged Electrical EquipmentIEEE 1458, IEEE Recommended Practice for the Selection, Field Testing, and Life Expectancy of Molded-Case Circuit Breakers for Industrial Applications [590.8(A)](https://2023.antflix.net#590.8(A)) | https://2023.antflix.net#590.8(A) |
Chaptewr 5 Special Occupancies | 590.8(B) | Overcurrent protective devices for solidly grounded wye electrical services of more than 150 volts to ground but not exceeding 1000 volts phase-to-phase, available fault current greater than 10,000 amperes, shall be current limiting. [590.8(B)](https://2023.antflix.net#590.8(B)) | https://2023.antflix.net#590.8(B) |
Chapter 7 Special Conditions | 700.1 | This article applies to the electrical safety of the installation, operation, and maintenance of emergency systems consisting of circuits and equipment intended to supply, distribute, and control electricity for illumination, power, or both, to required facilities when the normal electrical supply or system is interrupted. Informational Note No. 1: Emergency systems are generally installed in places of assembly where artificial illumination is required for safe exiting and for panic control in buildings subject to occupancy by large numbers of persons, such as hotels, theaters, sports arenas, health care facilities, and similar institutions. Emergency systems may also provide power for such functions as ventilation where essential to maintain life, fire detection and alarm systems, elevators, fire pumps, public safety communications systems, industrial processes where current interruption would produce serious life safety or health hazards, and similar functions. Informational Note No. 2: See Article 517, Health Care Facilities, for further information regarding wiring and installation of emergency systems in health care facilities. Informational Note No. 3: See NFPA 99-2018, Health Care Facilities Code, for further information regarding performance and maintenance of emergency systems in health care facilities. Informational Note No. 4: See NFPA 101-2018, Life Safety Code, for specification of locations where emergency lighting is considered essential to life safety. Informational Note No. 5: See NFPA 110-2019, Standard for Emergency and Standby Power Systems, and NFPA 111-2019, Standard on Stored Electrical Energy Emergency and Standby Power Systems, for further information regarding performance of emergency and standby power systems. Emergency systems are considered Level 1 systems when applying NFPA 110. [700.1](https://2023.antflix.net#700.1) | https://2023.antflix.net#700.1 |
Chapter 7 Special Conditions | 700.2 | Reconditioned transfer switches shall not be permitted. [700.2](https://2023.antflix.net#700.2) | https://2023.antflix.net#700.2 |
Chapter 7 Special Conditions | 700.3(A) | The authority having jurisdiction shall conduct or witness the commissioning of the complete system upon installation and periodically afterward. Informational Note: See NECA 90, Standard for Commissioning Building Electrical Systems. [700.3(A)](https://2023.antflix.net#700.3(A)) | https://2023.antflix.net#700.3(A) |
Chapter 7 Special Conditions | 700.3(B) | Systems shall be tested periodically on a schedule approved by the authority having jurisdiction to ensure the systems are maintained in proper operating condition. [700.3(B)](https://2023.antflix.net#700.3(B)) | https://2023.antflix.net#700.3(B) |
Chapter 7 Special Conditions | 700.3(C) | Emergency system equipment shall be maintained in accordance with manufacturer instructions and industry standards. [700.3(C)](https://2023.antflix.net#700.3(C)) | https://2023.antflix.net#700.3(C) |
Chapter 7 Special Conditions | 700.3(D) | A written record shall be kept of such tests and maintenance. [700.3(D)](https://2023.antflix.net#700.3(D)) | https://2023.antflix.net#700.3(D) |
Chapter 7 Special Conditions | 700.3(E) | Means for testing all emergency lighting and power systems during maximum anticipated load conditions shall be provided. Informational Note: See NFPA 110-2019, Standard for Emergency and Standby Power Systems, for information on testing and maintenance of emergency power supply systems (EPSSs). [700.3(E)](https://2023.antflix.net#700.3(E)) | https://2023.antflix.net#700.3(E) |
Chapter 7 Special Conditions | 700.3(F) | If the emergency system relies on a single alternate source of power, which will be disabled for maintenance or repair, the emergency system shall include permanent switching means to connect a portable or temporary alternate source of power that shall be available for the duration of the maintenance or repair. The permanent switching means to connect a portable or temporary alternate source of power shall comply with the following: Connection to the portable or temporary alternate source of power shall not require modification of the permanent system wiring.Transfer of power between the normal power source and the emergency power source shall be in accordance with 700.12.The connection point for the portable or temporary alternate source shall be marked with the phase rotation and system bonding requirements.The switching means, including the interlocks, shall be listed and provided with mechanical or mechanical and electrical interlocking to prevent inadvertent interconnection of power sources.The switching means shall include a contact point that shall annunciate at a location remote from the generator or at another facility monitoring system to indicate that the permanent emergency source is disconnected from the emergency system.The permanent connection point for the temporary generator shall be located outdoors and shall not have cables from the connection point to the temporary generator routed through exterior windows, doors, or similar openings.A permanent label shall be field applied at the permanent connection point to identify the system voltage, maximum amperage, short-circuit current rating of the load side of equipment supplied, and ungrounded conductor identification in accordance with 210.5.It shall be permissible to use manual switching to switch from the permanent source of power to the portable or temporary alternate source of power and to use the switching means for connection of a load bank.Informational Note: See Informational Note Figure 700.3(F) for one example of many possible methods to achieve the requirements of 700.3(F).Exception: The permanent switching means to connect a portable or temporary alternate source of power for the duration of the maintenance or repair shall not be required where any of the following conditions exists:All processes that rely on the emergency system source are capable of being disabled during maintenance or repair of the emergency source of power.The building or structure is unoccupied and fire protection systems are fully functional and do not require an alternate power source.Other temporary means can be substituted for the emergency system.A permanent alternate emergency source, such as, but not limited to, a second on-site standby generator or separate electric utility service connection, capable of supporting the emergency system, exists.Informational Note Figure 700.3(F) [700.3(F)](https://2023.antflix.net#700.3(F)) | https://2023.antflix.net#700.3(F) |
Chapter 7 Special Conditions | 700.4(A) | An emergency system shall have adequate capacity in accordance with Parts I through IV of Article 220 or by another approved method. The system capacity shall be sufficient for the rapid load changes and transient power and energy requirements associated with any expected loads. [700.4(A)](https://2023.antflix.net#700.4(A)) | https://2023.antflix.net#700.4(A) |
Chapter 7 Special Conditions | 700.4(B) | The alternate power source shall be permitted to supply emergency, legally required standby, and optional standby system loads where the source has adequate capacity or where load management (that includes automatic selective load pickup and load shedding) is provided as needed to ensure adequate power to the following in order of priority: Emergency circuitsLegally required standby circuitsOptional standby circuits [700.4(B)](https://2023.antflix.net#700.4(B)) | https://2023.antflix.net#700.4(B) |
Chapter 7 Special Conditions | 700.4(C) | Parallel operation of the emergency source(s) shall consist of the sources specified in 700.4(C)(1) and (C)(2). [700.4(C)](https://2023.antflix.net#700.4(C)) | https://2023.antflix.net#700.4(C) |
Chapter 7 Special Conditions | 700.4(C)(1) | The emergency source shall be permitted to operate in parallel with the normal source in compliance with Part I or Part II of Article 705 where the capacity required to supply the emergency load is maintained at all times. Any operating condition that results in less than the required emergency source capacity shall initiate a system malfunction signal in accordance with 700.6(A). Parallel operation shall be permitted for satisfying the test requirements of 700.3(B), provided all other conditions of 700.3 are met. Informational Note: Peak load shaving is one application for parallel source operation. [700.4(C)(1)](https://2023.antflix.net#700.4(C)(1)) | https://2023.antflix.net#700.4(C)(1) |
Chapter 7 Special Conditions | 700.4(C)(2) | Emergency sources shall be permitted to operate in parallel where the necessary equipment to establish and maintain a synchronous condition is provided. [700.4(C)(2)](https://2023.antflix.net#700.4(C)(2)) | https://2023.antflix.net#700.4(C)(2) |
Chapter 7 Special Conditions | 700.5(A) | Transfer equipment shall be automatic, listed, and marked for emergency use. Transfer equipment shall be designed and installed to prevent the inadvertent interconnection of normal and emergency sources of supply in any operation of the transfer equipment. Transfer equipment and electric power production systems installed to permit operation in parallel with the normal source shall meet the requirements of Article 705. Meter-mounted transfer switches shall not be permitted for emergency system use. [700.5(A)](https://2023.antflix.net#700.5(A)) | https://2023.antflix.net#700.5(A) |
Chapter 7 Special Conditions | 700.5(B) | Means shall be permitted to bypass and isolate the transfer equipment. Where bypass isolation transfer switches are used, inadvertent parallel operation shall be prevented. [700.5(B)](https://2023.antflix.net#700.5(B)) | https://2023.antflix.net#700.5(B) |
Chapter 7 Special Conditions | 700.5(C) | Automatic transfer switches shall be electrically operated and mechanically held. [700.5(C)](https://2023.antflix.net#700.5(C)) | https://2023.antflix.net#700.5(C) |
Chapter 7 Special Conditions | 700.5(D) | If emergency loads are supplied by a single feeder, the emergency power system shall include redundant transfer equipment or a bypass isolation transfer switch to facilitate maintenance as required in 700.3(C) without jeopardizing continuity of power. If the redundant transfer equipment or bypass isolation transfer switch is manual (or nonautomatic), then it shall be actively supervised by a qualified person when the primary (automatic) transfer equipment is disabled for maintenance or repair. Exception: The requirement for redundancy with the transfer equipment shall not apply where any of the following conditions exist: (1) All processes that rely on the emergency system source are capable of being disabled during maintenance or repair activities without jeopardizing the safety to human life. (2) The building or structure is unoccupied and fire protection systems are fully functional and do not require an alternate power source. (3) Other temporary means shall be permitted to be substituted for the emergency system. (4) A written emergency plan that includes mitigation actions and responsibilities for qualified persons to address the recognized site hazards for the duration of the maintenance or repair activities shall be developed and implemented. The emergency plan shall be made available to the authority having jurisdiction. [700.5(D)](https://2023.antflix.net#700.5(D)) | https://2023.antflix.net#700.5(D) |
Chapter 7 Special Conditions | 700.5(E) | Transfer equipment shall supply only emergency loads. Informational Note: Transfer equipment that supplies emergency loads provides separation of this load type from any others and is independent of any equipment used to combine or parallel sources. [700.5(E)](https://2023.antflix.net#700.5(E)) | https://2023.antflix.net#700.5(E) |
Chapter 7 Special Conditions | 700.5(F) | The short-circuit current rating of the transfer equipment, based on the specific overcurrent protective device type and settings protecting the transfer equipment, shall be field marked on the exterior of the transfer equipment. [700.5(F)](https://2023.antflix.net#700.5(F)) | https://2023.antflix.net#700.5(F) |
Chapter 7 Special Conditions | 700.6 | Audible, visual, and facility or network remote annunciation devices shall be provided, where applicable, for the purpose described in 700.6(A) through (D). [700.6](https://2023.antflix.net#700.6) | https://2023.antflix.net#700.6 |
Chapter 7 Special Conditions | 700.6(A) | Malfunction signals indicate a malfunction of the emergency source. [700.6(A)](https://2023.antflix.net#700.6(A)) | https://2023.antflix.net#700.6(A) |
Chapter 7 Special Conditions | 700.6(B) | Load carrying signals indicate that the emergency source is carrying load. [700.6(B)](https://2023.antflix.net#700.6(B)) | https://2023.antflix.net#700.6(B) |
Chapter 7 Special Conditions | 700.6(C) | Storage battery charging malfunction signals indicate a charging malfunction on a battery required for source readiness, including starting the prime mover, is not functioning. [700.6(C)](https://2023.antflix.net#700.6(C)) | https://2023.antflix.net#700.6(C) |
Chapter 7 Special Conditions | 700.6(D) | Ground-fault signals indicate a ground fault in solidly grounded wye emergency systems of more than 150 volts to ground and circuit-protective devices rated 1000 amperes or more. The sensor for the ground-fault signal devices shall be located at, or ahead of, the main system disconnecting means for the emergency source, and the maximum setting of the signal devices shall be for a ground-fault current of 1200 amperes. Instructions on the course of action to be taken in the event of indicated ground fault shall be located at or near the sensor location. For systems with multiple emergency sources connected to a paralleling bus, the ground fault sensor and the system bonding jumper shall be permitted to be at an alternative location. [700.6(D)](https://2023.antflix.net#700.6(D)) | https://2023.antflix.net#700.6(D) |
Chapter 7 Special Conditions | 700.7(A) | A sign shall be placed at the service-entrance equipment, indicating type and location of each on-site emergency power source. Exception: A sign shall not be required for individual unit equipment as specified in 700.12(H). [700.7(A)](https://2023.antflix.net#700.7(A)) | https://2023.antflix.net#700.7(A) |
Chapter 7 Special Conditions | 700.7(B) | Where removal of a grounding or bonding connection in normal power source equipment interrupts the grounding electrode conductor connection to the alternate power source(s) grounded conductor, a warning sign shall be installed at the normal power source equipment stating: WARNINGSHOCK HAZARD EXISTS IF GROUNDING ELECTRODE CONDUCTOR OR BONDING JUMPER CONNECTION IN THIS EQUIPMENT IS REMOVED WHILE ALTERNATE SOURCE(S) IS ENERGIZED. The warning sign(s) or label(s) shall comply with 110.21(B). [700.7(B)](https://2023.antflix.net#700.7(B)) | https://2023.antflix.net#700.7(B) |
Chapter 7 Special Conditions | 700.8 | A listed SPD shall be installed in or on all emergency system switchgear, switchboards, and panelboards. [700.8](https://2023.antflix.net#700.8) | https://2023.antflix.net#700.8 |
Chapter 7 Special Conditions | 700.10(A) | Emergency circuits shall be permanently marked so they will be readily identified as a component of an emergency circuit or system by the following methods: All boxes and enclosures (including transfer switches, generators, and power panels) for emergency circuits shall be permanently marked as a component of an emergency circuit or system.Where boxes or enclosures are not encountered, exposed cable or raceway systems shall be permanently marked to be identified as a component of an emergency circuit or system, at intervals not to exceed 7.6 m (25 ft).Receptacles supplied from the emergency system shall have a distinctive color or marking on the receptacle cover plates or the receptacles. [700.10(A)](https://2023.antflix.net#700.10(A)) | https://2023.antflix.net#700.10(A) |
Chapter 7 Special Conditions | 700.10(B) | Wiring from an emergency source or emergency source distribution overcurrent protection to emergency loads shall be kept entirely independent of all other wiring and equipment unless otherwise permitted in the following: Wiring from the normal power source located in transfer equipment enclosuresWiring supplied from two sources in exit or emergency luminairesWiring from two sources in a listed load control relay supplying exit or emergency luminaires, or in a common junction box, attached to exit or emergency luminairesWiring within a common junction box attached to unit equipment, containing only the branch circuit supplying the unit equipment and the emergency circuit supplied by the unit equipmentWiring within a traveling cable to an elevatorWiring from an emergency source to supply emergency and other (nonemergency) loads in accordance with the following:Separate vertical switchgear sections or separate vertical switchboard sections, with or without a common bus, or individual disconnects mounted in separate enclosures shall be used to separate emergency loads from all other loads.The common bus of separate sections of the switchgear, separate sections of the switchboard, or the individual enclosures shall be either of the following:Supplied by single or multiple feeders without overcurrent protection at the sourceSupplied by single or multiple feeders with overcurrent protection, provided that the overcurrent protection that is common to an emergency system and any nonemergency system(s) is selectively coordinated with the next downstream overcurrent protective device in the nonemergency system(s)Informational Note: See Informational Note Figure 700.10(B)(1) and Informational Note Figure 700.10(B)(2) for further information.Emergency circuits shall not originate from the same vertical switchgear section, vertical switchboard section, panelboard enclosure, or individual disconnect enclosure as other circuits.It shall be permissible to use single or multiple feeders to supply distribution equipment between an emergency source and the point where the emergency loads are separated from all other loads.At the emergency power source, such as a generator, multiple integral overcurrent protective devices shall each be permitted to supply a designated emergency or a designated nonemergency load, provided that there is complete separation between emergency and nonemergency loads beginning immediately after the overcurrent protective device line-side connections.Wiring of two or more emergency circuits supplied from the same source shall be permitted in the same raceway, cable, box, or cabinet.Informational Note Figure 700.10(B)(1) Single or Multiple Feeders Without Overcurrent Protection.Informational Note Figure 700.10(B)(2) Single or Multiple Feeders with Overcurrent Protection. [700.10(B)](https://2023.antflix.net#700.10(B)) | https://2023.antflix.net#700.10(B) |
Chapter 7 Special Conditions | 700.10(C) | Emergency wiring circuits shall be designed and located so as to minimize the hazards that might cause failure due to flooding, fire, icing, vandalism, and other adverse conditions. [700.10(C)](https://2023.antflix.net#700.10(C)) | https://2023.antflix.net#700.10(C) |
Chapter 7 Special Conditions | 700.10(D)(1) | Emergency systems shall meet the additional requirements in 700.10(D)(2) through (D)(4) in the following occupancies: Assembly occupancies for not less than 1000 personsBuildings above 23 m (75 ft) in heightEducational occupancies with more than 300 occupants [700.10(D)(1)](https://2023.antflix.net#700.10(D)(1)) | https://2023.antflix.net#700.10(D)(1) |
Chapter 7 Special Conditions | 700.10(D)(2) | Feeder-circuit wiring shall meet one of the following conditions: The cable or raceway is installed in spaces or areas that are fully protected by an approved automatic fire protection system.The cable or raceway is protected by a listed electrical circuit protective system with a minimum 2-hour fire rating.Informational Note No. 1: See UL 1724, Fire Tests for Electrical Circuit Protection Systems, for one method of defining an electrical circuit protective system. The UL Guide Information for Electrical Circuit Integrity Systems (FHIT) contains information to identify the system and its installation limitations to maintain a minimum 2-hour fire-resistive rating and is available from the certification body.The cable or raceway is a listed fire-resistive cable system with a minimum 2-hour fire rating.Informational Note No. 2: See UL 2196-2017, Standard for Fire Test for Circuit Integrity of Fire-Resistive Power, Instrumentation, Control and Data Cables, for one method of defining a fire-resistive cable system.The cable or raceway is protected by a listed fire-rated assembly that has a minimum fire rating of 2 hours and contains only emergency circuits.The cable or raceway is encased in a minimum of 50 mm (2 in.) of concrete. [700.10(D)(2)](https://2023.antflix.net#700.10(D)(2)) | https://2023.antflix.net#700.10(D)(2) |
Chapter 7 Special Conditions | 700.10(D)(3) | Equipment for feeder circuits (including transfer switches, transformers, and panelboards) shall be located either in spaces fully protected by an approved automatic fire protection system or in spaces with a 2-hour fire resistance rating. [700.10(D)(3)](https://2023.antflix.net#700.10(D)(3)) | https://2023.antflix.net#700.10(D)(3) |
Chapter 7 Special Conditions | 700.10(D)(4) | Control conductors installed between the emergency power supply system/stored-energy power supply system (EPSS/SEPSS) and transfer equipment or control systems that initiate the operation of emergency sources or initiate the automatic connection to emergency loads shall be kept entirely independent of all other wiring and shall meet the conditions of 700.10(D)(2). The integrity of source control wiring shall be monitored for broken, disconnected, or shorted wires. Loss of integrity shall result in the following actions: Generators. Shall start the generator(s).All other sources. Shall be considered a system malfunction and initiate the designated signal(s) in 700.6(A). [700.10(D)(4)](https://2023.antflix.net#700.10(D)(4)) | https://2023.antflix.net#700.10(D)(4) |
Chapter 7 Special Conditions | 700.11(A) | Line voltage supply wiring and installation of Class 2 emergency lighting control devices shall comply with 700.10. Class 2 emergency circuits shall comply with 700.11 (B) through (D). [700.11(A)](https://2023.antflix.net#700.11(A)) | https://2023.antflix.net#700.11(A) |
Chapter 7 Special Conditions | 700.11(B) | Emergency circuits shall be permanently marked so they will be readily identified as a component of an emergency circuit or system by the following methods: All boxes and enclosures for Class 2 emergency circuits shall be permanently marked as a component of an emergency circuit or system.Exposed cable, cable tray, or raceway systems shall be permanently marked to be identified as a component of an emergency circuit or system, within 900 mm (3 ft) of each connector and at intervals not to exceed 7.6 m (25 ft). [700.11(B)](https://2023.antflix.net#700.11(B)) | https://2023.antflix.net#700.11(B) |
Chapter 7 Special Conditions | 700.11(C) | Class 2 emergency circuits shall be wired in a listed, jacketed cable or with one of the wiring methods of Chapter 3. If installed alongside nonemergency Class 2 circuits that are bundled, Class 2 emergency circuits shall be bundled separately. If installed alongside nonemergencv Class 2 circuits that are not bundled, Class 2 emergency circuits shall be separated by a nonconductive sleeve or nonconductive barrier from all other Class 2 circuits. Separation from other circuits shall comply with 725.136. [700.11(C)](https://2023.antflix.net#700.11(C)) | https://2023.antflix.net#700.11(C) |
Chapter 7 Special Conditions | 700.11(D) | Wiring shall comply with the requirements of 300.4 and be installed in a raceway, armored or metal-clad cable, or cable tray. Exception Exception No. 1: Section 700.11(D) shall not apply to wiring that does not exceed 1.83 m (6 ft) in length and that terminates at an emergency luminaire or an emergency lighting control device. Exception Exception No. 2: Section 700.11(D) shall not apply to locked rooms or locked enclosures that are accessible only to qualified persons. Informational Note: Locked rooms accessible only to qualified persons include locked telecommunications rooms, locked electrical equipment rooms, or other access-controlled areas. [700.11(D)](https://2023.antflix.net#700.11(D)) | https://2023.antflix.net#700.11(D) |
Chapter 7 Special Conditions | 700.12 | Current supply shall be such that, in the event of failure of the normal supply to, or within, the building or group of buildings concerned, emergency lighting, emergency power, or both shall be available within the time required for the application but not to exceed 10 seconds. The supply system for emergency purposes, in addition to the normal services to the building and meeting the general requirements of this section, shall be one or more of the types of systems described in 700.12(C) through (H). Unit equipment in accordance with 700.12(H) shall satisfy the applicable requirements of this article. [700.12](https://2023.antflix.net#700.12) | https://2023.antflix.net#700.12 |
Chapter 7 Special Conditions | 700.12(A) | In selecting an emergency source of power, consideration shall be given to the occupancy and the type of service to be rendered, whether of minimum duration, as for evacuation of a theater, or longer duration, as for supplying emergency power and lighting due to an indefinite period of current failure from trouble either inside or outside the building. [700.12(A)](https://2023.antflix.net#700.12(A)) | https://2023.antflix.net#700.12(A) |
Chapter 7 Special Conditions | 700.12(B) | Equipment shall be designed and located so as to minimize the hazards that might cause complete failure due to flooding, fires, icing, and vandalism. Equipment for sources of power as described in 700.12(C) through (H) shall be installed either in spaces fully protected by approved automatic fire protection systems or in spaces with a 2-hour fire rating where located within the following:Assembly occupancies for more than 1000 personsBuildings above 23 m (75 ft) in heightEducational occupancies with more than 300 occupantsInformational Note No. 1: See NFPA 101-2021, Life Safety Code, Section 6.1, for information on occupancy classifications.Informational Note No. 2: See IEEE 3006.5-2014, Recommended Practice for the Use of Probability Methods for Conducting a Reliability Analysis of Industrial and Commercial Power Systems, for information regarding power system reliability. [700.12(B)](https://2023.antflix.net#700.12(B)) | https://2023.antflix.net#700.12(B) |
Chapter 7 Special Conditions | 700.12(C) | The emergency power source shall be of suitable rating and capacity to supply and maintain the total load for the duration determined by the system design. In no case shall the duration be less than 2 hours of system operation unless used for emergency illumination in 700.12(C)(4) or unit equipment in 700.12(H). Additionally, the power source shall comply with 700.12(C)(1) through (C)(5) as applicable. Informational Note: See NFPA 110-2022, Standard for Emergency and Standby Power Systems, for information on classification of emergency power supply systems (EPSS). [700.12(C)](https://2023.antflix.net#700.12(C)) | https://2023.antflix.net#700.12(C) |
Chapter 7 Special Conditions | 700.12(C)(1) | An on-site fuel supply shall be provided, sufficient for not less than 2 hours operation of the system. [700.12(C)(1)](https://2023.antflix.net#700.12(C)(1)) | https://2023.antflix.net#700.12(C)(1) |
Chapter 7 Special Conditions | 700.12(C)(2) | Where power is needed for the operation of the fuel transfer pumps to deliver fuel to the source, these pumps shall be connected to the emergency power system. [700.12(C)(2)](https://2023.antflix.net#700.12(C)(2)) | https://2023.antflix.net#700.12(C)(2) |
Chapter 7 Special Conditions | 700.12(C)(3) | Sources shall not be solely dependent on a public utility gas system for their fuel supply or municipal water supply for their cooling systems. Exception: Where approved by the authority having jurisdiction, the use of other than on-site fuels shall be permitted where there is a low probability of a simultaneous failure of both the off-site fuel delivery system and power from the outside electrical utility company. Where the public gas system is approved, the requirements of 700.12(C)(1) shall not apply. [700.12(C)(3)](https://2023.antflix.net#700.12(C)(3)) | https://2023.antflix.net#700.12(C)(3) |
Chapter 7 Special Conditions | 700.12(C)(4) | Storage batteries and UPS used to supply emergency illumination shall be of suitable rating and capacity to supply and maintain the total load for a minimum period of 11/2 hours, without the voltage applied to the load falling below 871/2 percent of nominal voltage. Automotive-type batteries shall not be used. An automatic battery charging means shall be provided. [700.12(C)(4)](https://2023.antflix.net#700.12(C)(4)) | https://2023.antflix.net#700.12(C)(4) |
Chapter 7 Special Conditions | 700.12(C)(5) | Where dual fuel sources are used, means shall be provided for automatically transferring from one fuel source to another. [700.12(C)(5)](https://2023.antflix.net#700.12(C)(5)) | https://2023.antflix.net#700.12(C)(5) |
Chapter 7 Special Conditions | 700.12(D)(1) | For a generator set driven by a prime mover approved by the authority having jurisdiction and sized in accordance with 700.4, means shall be provided for automatically starting the prime mover on failure of the normal power source and for automatic transfer and operation of all required electrical circuits. A time-delay feature shall be provided to avoid retransfer in case of short-time reestablishment of the normal source. [700.12(D)(1)](https://2023.antflix.net#700.12(D)(1)) | https://2023.antflix.net#700.12(D)(1) |
Chapter 7 Special Conditions | 700.12(D)(2) | Where a storage battery is used for control or signal power or as the means of starting the prime mover, it shall be suitable for the purpose and shall be equipped with an automatic charging means independent of the generator set. Where the battery charger is required for the operation of the generator set, it shall be connected to the emergency system. Where power is required for the operation of dampers used to ventilate the generator set, the dampers shall be connected to the emergency system. [700.12(D)(2)](https://2023.antflix.net#700.12(D)(2)) | https://2023.antflix.net#700.12(D)(2) |
Chapter 7 Special Conditions | 700.12(D)(3) | Generator sets that require more than 10 seconds to develop power shall be permitted if an auxiliary power supply energizes the emergency system until the generator can pick up the load. [700.12(D)(3)](https://2023.antflix.net#700.12(D)(3)) | https://2023.antflix.net#700.12(D)(3) |
Chapter 7 Special Conditions | 700.12(D)(4) | Where an outdoor-housed generator set is equipped with a readily accessible disconnecting means in accordance with 445.18, and the disconnecting means is located within sight of the building or structure supplied, an additional disconnecting means shall not be required where ungrounded conductors serve or pass through the building or structure. Where the generator supply conductors terminate at a disconnecting means in or on a building or structure, the disconnecting means shall meet the requirements of 225.36. Exception: For installations under single management, where conditions of maintenance and supervision ensure that only qualified persons will monitor and service the installation and where documented safe switching procedures are established and maintained for disconnection, the generator set disconnecting means shall not be required to be located within sight of the building or structure served. [700.12(D)(4)](https://2023.antflix.net#700.12(D)(4)) | https://2023.antflix.net#700.12(D)(4) |
Chapter 7 Special Conditions | 700.12(E) | Stored energy power supply systems shall comply with 700.12(E)(1) and (E)(2). [700.12(E)](https://2023.antflix.net#700.12(E)) | https://2023.antflix.net#700.12(E) |
Chapter 7 Special Conditions | 700.12(E)(1) | Systems shall consist of one or more of the following system types: Uninterruptible power supply (UPS)Informational Note: See UL 1778, Uninterruptible Power Systems, for further information.Fuel cell systemEnergy storage system (ESS)Storage batteryOther approved equivalent stored energy sources that comply with 700.12 [700.12(E)(1)](https://2023.antflix.net#700.12(E)(1)) | https://2023.antflix.net#700.12(E)(1) |
Chapter 7 Special Conditions | 700.12(E)(2) | The systems in 700.12(E)(1) shall be installed with the fire protection, suppression, ventilation, and separation requirements specified in the manufacturer's instructions or equipment listing. Informational Note: See NFPA 853-2020, Standard for the Installation of Stationary Fuel Cell Power Systems, and NFPA 855-2020, Standard for the Installation of Stationary Energy Storage Systems, for additional information on fire protection installation requirements. [700.12(E)(2)](https://2023.antflix.net#700.12(E)(2)) | https://2023.antflix.net#700.12(E)(2) |
Chapter 7 Special Conditions | 700.12(F) | Where approved by the authority having jurisdiction as suitable for use as an emergency source of power, an additional service shall be permitted. This service shall be in accordance with the applicable provisions of Article 230 and the following additional requirements: Separate overhead service conductors, service drops, underground service conductors, or service laterals shall be installed.The service conductors for the separate service shall be installed sufficiently remote electrically and physically from any other service conductors to minimize the possibility of simultaneous interruption of supply. [700.12(F)](https://2023.antflix.net#700.12(F)) | https://2023.antflix.net#700.12(F) |
Chapter 7 Special Conditions | 700.12(G) | On-site sources, designated as emergency sources, shall be permitted to be connected to a microgrid system. The system shall isolate the emergency system from all nonemergency loads when the normal electric supply is interrupted or shall meet the requirements of 700.4(B). Interruption or partial or complete failure of the normal or nonemergency source(s) shall not impact the availability, capacity, and duration provided by the designated emergency sources. The designated stored-energy electrical emergency power source(s) of a microgrid system shall be permitted to remain interconnected to any available power production source during operation of the emergency source(s) where the lack of, or failure of, the interconnected power production source(s), or related controls, does not impact system operation. Interconnected power production sources, other than the designated stored emergency power source(s), shall not be required to meet the requirements of this article. [700.12(G)](https://2023.antflix.net#700.12(G)) | https://2023.antflix.net#700.12(G) |
Chapter 7 Special Conditions | 700.12(H)(1) | All battery-equipped emergency luminaires shall be listed. Informational Note No. 1: See ANSI/UL 924, Emergency Lighting and Power Equipment, for the requirements covering battery-equipped emergency luminaires and emergency battery packs. A listed emergency battery pack installed in a listed luminaire will provide similar functionality as a listed battery-equipped emergency luminaire. Informational Note No. 2: Unit equipment is a type of battery-equipped emergency luminaire. [700.12(H)(1)](https://2023.antflix.net#700.12(H)(1)) | https://2023.antflix.net#700.12(H)(1) |
Chapter 7 Special Conditions | 700.12(H)(2) | Battery-equipped emergency luminaires shall be installed in accordance with the following: Battery-equipped emergency luminaires shall be permanently fixed in place (i.e., not portable).Wiring to each luminaire shall be installed in accordance with the requirements of any of the wiring methods in Chapter 3 unless otherwise specified in Part II, IV, or V of this article. Flexible cord-and-plug connection shall be permitted for unit equipment, provided that the cord does not exceed 900 mm (3 ft) in length. Flexible cord, with or without a plug, shall also be permitted for battery-equipped emergency luminaires installed in accordance with 410.62(C)(1).The branch circuit feeding the battery-equipped emergency luminaire shall be one of the following:The same branch circuit as that serving the normal lighting in the area and connected ahead of any local switches.The same or a different branch circuit as that serving the normal lighting in the area if that circuit is equipped with means to monitor the status of that area's normal lighting branch circuit ahead of any local switches.A separate branch circuit originating from the same panelboard as one or more normal lighting circuits. This separate branch circuit disconnecting means shall be provided with a lock-on feature.The branch circuit that feeds battery-equipped emergency luminaires shall be clearly identified at the distribution panel.Emergency luminaires that obtain power from a battery-equipped emergency luminaire shall be wired to the battery-equipped emergency luminaires as required in Part II, IV, or V of this article.Remote luminaires providing lighting for the exterior of an exit door shall be permitted to be supplied by the battery-equipped emergency luminaire serving the area immediately inside the exit door. [700.12(H)(2)](https://2023.antflix.net#700.12(H)(2)) | https://2023.antflix.net#700.12(H)(2) |
Chapter 7 Special Conditions | 700.15 | No appliances and no lamps, other than those specified as required for emergency use, shall be supplied by emergency lighting circuits. [700.15](https://2023.antflix.net#700.15) | https://2023.antflix.net#700.15 |
Chapter 7 Special Conditions | 700.16(A) | Emergency illumination shall include means of egress lighting, illuminated exit signs, and all other luminaires specified as necessary to provide required illumination. [700.16(A)](https://2023.antflix.net#700.16(A)) | https://2023.antflix.net#700.16(A) |
Chapter 7 Special Conditions | 700.16(B) | Emergency lighting systems shall be designed and installed so that the failure of any illumination source cannot leave in total darkness any space that requires emergency illumination. Emergency lighting control devices in the emergency lighting system shall be listed for use in emergency systems. Listed unit equipment in accordance with 700.12(H) shall be considered as meeting the provisions of this section. Informational Note: See 700.23 through 700.26 for applications of emergency system control devices. [700.16(B)](https://2023.antflix.net#700.16(B)) | https://2023.antflix.net#700.16(B) |
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