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Chaptewr 5 Special Occupancies | 530.24 | Purpose-built luminaires, lighting, and effects equipment shall not be required to be listed but shall be required to be approved. [530.24](https://2023.antflix.net#530.24) | https://2023.antflix.net#530.24 |
Chaptewr 5 Special Occupancies | 530.26(A) | Portable luminaires shall be listed. Exception: Portable luminaires used as properties on a motion picture set or television stage set, on a studio stage or lot, or on location shall not be considered portable luminaires for the purpose of this section. [530.26(A)](https://2023.antflix.net#530.26(A)) | https://2023.antflix.net#530.26(A) |
Chaptewr 5 Special Occupancies | 530.26(B) | Portable enclosed-arc lamps, and associated ballasts shall be listed. Interconnecting cord sets and interconnecting cords and cables for enclosed-arc luminaires shall be of extra-hard usage type and listed. Informational Note: See ANSI/ESTA E1.16-2007, Entertainment Technology - Configuration Standard for Metal-Halide Power Cables, for information on enclosed-arc luminaire interconnecting cord sets and cables. [530.26(B)](https://2023.antflix.net#530.26(B)) | https://2023.antflix.net#530.26(B) |
Chaptewr 5 Special Occupancies | 530.41 | The electrical equipment used in non-production areas shall be restricted from access by the general public. [530.41](https://2023.antflix.net#530.41) | https://2023.antflix.net#530.41 |
Chaptewr 5 Special Occupancies | 530.42 | Overcurrent protection of conductors for portable cables shall comply with the requirements of 240.5(A). [530.42](https://2023.antflix.net#530.42) | https://2023.antflix.net#530.42 |
Chaptewr 5 Special Occupancies | 530.43(A) | Portable and vehicle-mounted generators shall be located away from flammable materials, and exhaust shall be vented away from structures and other areas where people might congregate. [530.43(A)](https://2023.antflix.net#530.43(A)) | https://2023.antflix.net#530.43(A) |
Chaptewr 5 Special Occupancies | 530.43(B) | Portable and vehicle-mounted generators shall not be operated in areas without natural or provided ventilation to prevent the buildup of exhaust. [530.43(B)](https://2023.antflix.net#530.43(B)) | https://2023.antflix.net#530.43(B) |
Chaptewr 5 Special Occupancies | 530.44(A) | In addition to the requirements of 210.8(B), GFCI protection for personnel shall be provided for the following: All 125-volt, single-phase, 15- and 20-ampere receptacles that are readily accessible to unqualified personnel and that are used for other than motion picture and television production equipmentEquipment, other than motion picture and television production equipment, that is readily accessible to unqualified personnel and supplied from a 125-volt, single-phase, 15- or 20-ampere branch circuitListed GFCI protection for personnel that is identified for portable use shall be permitted to be an integral part of the attachment plug or be located in the power-supply cord within 300 mm (12 in.) of the attachment plug. Listed cord sets incorporating GFCI for personnel shall be permitted. [530.44(A)](https://2023.antflix.net#530.44(A)) | https://2023.antflix.net#530.44(A) |
Chaptewr 5 Special Occupancies | 530.44(B) | Egress lighting shall not be protected by a GFCI. [530.44(B)](https://2023.antflix.net#530.44(B)) | https://2023.antflix.net#530.44(B) |
Chaptewr 5 Special Occupancies | 530.44(C) | GFCI protection shall be listed, labeled, and identified for portable use where it is provided using GFCI receptacles and the branch circuits supplying receptacles use flexible cord. [530.44(C)](https://2023.antflix.net#530.44(C)) | https://2023.antflix.net#530.44(C) |
Chaptewr 5 Special Occupancies | 530.45 | Where the wiring of production vehicles and trailers are supplied by a grounded ac service or by a grounded separately derived ac source, they shall comply with 530.45(A) through (F) of this section. [530.45](https://2023.antflix.net#530.45) | https://2023.antflix.net#530.45 |
Chaptewr 5 Special Occupancies | 530.45(A) | A listed and appropriately rated panelboard or other equipment specifically listed for this purpose shall be used. The grounded conductor termination bar shall be insulated from the enclosure. [530.45(A)](https://2023.antflix.net#530.45(A)) | https://2023.antflix.net#530.45(A) |
Chaptewr 5 Special Occupancies | 530.45(B) | The panelboard shall have an equipment grounding bus with terminals for all equipment grounding conductors or other approved equipment grounding means. [530.45(B)](https://2023.antflix.net#530.45(B)) | https://2023.antflix.net#530.45(B) |
Chaptewr 5 Special Occupancies | 530.45(C) | The equipment grounding conductor in the supply cord or feeder shall be connected to the equipment grounding bus or other approved equipment ground means in the panelboard. [530.45(C)](https://2023.antflix.net#530.45(C)) | https://2023.antflix.net#530.45(C) |
Chaptewr 5 Special Occupancies | 530.45(D) | The grounded circuit conductor (neutral conductor) shall be insulated from the equipment grounding conductors and from equipment enclosures and other grounded parts. [530.45(D)](https://2023.antflix.net#530.45(D)) | https://2023.antflix.net#530.45(D) |
Chaptewr 5 Special Occupancies | 530.45(E) | All exposed non—current-carrying metal parts that are likely to become energized shall be effectively bonded to the grounding terminal or enclosure of the panelboard. A bonding conductor shall be connected between any panelboard and an accessible terminal on the chassis of the portable trailer or vehicle. [530.45(E)](https://2023.antflix.net#530.45(E)) | https://2023.antflix.net#530.45(E) |
Chaptewr 5 Special Occupancies | 530.45(F) | Production vehicles and trailers with onboard generators shall comply with the requirements of 551.30. [530.45(F)](https://2023.antflix.net#530.45(F)) | https://2023.antflix.net#530.45(F) |
Chaptewr 5 Special Occupancies | 530.46 | Flexible cords and cables accessible to personnel shall be arranged to minimize tripping hazard potential, and shall be permitted to be covered with a nonconductive matting secured to the walkway surface or protected with another approved cable protection method if the matting or other protection method does not constitute a greater tripping hazard than the uncovered cables. [530.46](https://2023.antflix.net#530.46) | https://2023.antflix.net#530.46 |
Chaptewr 5 Special Occupancies | 530.61 | Fixed wiring in dressing rooms shall be installed in accordance with the wiring methods covered in Chapter 3. [530.61](https://2023.antflix.net#530.61) | https://2023.antflix.net#530.61 |
Chaptewr 5 Special Occupancies | 530.71 | Wiring and equipment in portable substations rated 50 to 1000 volts, nominal, shall conform to the requirements of the sections applying to installations in permanently fixed substations. Where limited space is available, when approved, working spaces shall be permitted to be reduced where the following conditions apply: The equipment is arranged so that the qualified operator can work safely.The equipment is guarded so that other persons in the vicinity cannot accidentally come into contact with current-carrying parts or bring conducting objects into contact with them while they are energized. [530.71](https://2023.antflix.net#530.71) | https://2023.antflix.net#530.71 |
Chaptewr 5 Special Occupancies | 530.72 | Wiring and equipment of portable substations rated over 1000 volts, nominal, shall comply with the requirements of Part IV of Article 490. [530.72](https://2023.antflix.net#530.72) | https://2023.antflix.net#530.72 |
Chaptewr 5 Special Occupancies | 540.1 | This article applies to motion picture projection rooms, motion picture projectors, and associated equipment of the professional and nonprofessional types using incandescent, carbon arc, xenon, or other light source equipment that develops hazardous gases, dust, or radiation. Informational Note: See NFPA 40-2019, Standard for the Storage and Handling of Cellulose Nitrate Film, for further information. [540.1](https://2023.antflix.net#540.1) | https://2023.antflix.net#540.1 |
Chaptewr 5 Special Occupancies | 540.10 | Every professional-type projector shall be located within a projection room. Every projection room shall be of permanent construction and approved for the type of building in which it is located. All projection ports, spotlight ports, viewing ports, and similar openings shall be provided with glass or other approved material to completely close the opening. Such rooms shall not be considered hazardous (classified) locations as defined in Article 500. Informational Note: See NFPA 101-2021, Life Safety Code, for further information on protecting openings in projection rooms handling cellulose nitrate motion picture film. [540.10](https://2023.antflix.net#540.10) | https://2023.antflix.net#540.10 |
Chaptewr 5 Special Occupancies | 540.11(A) | Motor-generator sets, transformers, rectifiers, rheostats, and similar equipment for the supply or control of current to projection or spotlight equipment shall, where nitrate film is used, be located in a separate room. Where placed in the projection room, they shall be located or guarded so that arcs or sparks cannot come in contact with film, and the commutator end or ends of motor-generator sets shall comply with one of the conditions in 540.11(A)(1) through (A)(6). [540.11(A)](https://2023.antflix.net#540.11(A)) | https://2023.antflix.net#540.11(A) |
Chaptewr 5 Special Occupancies | 540.11(A)(1) | Be of the totally enclosed, enclosed fan-cooled, or enclosed pipe-ventilated type. [540.11(A)(1)](https://2023.antflix.net#540.11(A)(1)) | https://2023.antflix.net#540.11(A)(1) |
Chaptewr 5 Special Occupancies | 540.11(A)(2) | Be enclosed in separate rooms or housings built of noncombustible material constructed so as to exclude flyings or lint with approved ventilation from a source of clean air. [540.11(A)(2)](https://2023.antflix.net#540.11(A)(2)) | https://2023.antflix.net#540.11(A)(2) |
Chaptewr 5 Special Occupancies | 540.11(A)(3) | Have the brush or sliding-contact end of motor-generator enclosed by solid metal covers. [540.11(A)(3)](https://2023.antflix.net#540.11(A)(3)) | https://2023.antflix.net#540.11(A)(3) |
Chaptewr 5 Special Occupancies | 540.11(A)(4) | Have brushes or sliding contacts enclosed in tight metal housings. [540.11(A)(4)](https://2023.antflix.net#540.11(A)(4)) | https://2023.antflix.net#540.11(A)(4) |
Chaptewr 5 Special Occupancies | 540.11(A)(5) | Have the upper half of the brush or sliding-contact end of the motor-generator enclosed by a wire screen or perforated metal and the lower half enclosed by solid metal covers. [540.11(A)(5)](https://2023.antflix.net#540.11(A)(5)) | https://2023.antflix.net#540.11(A)(5) |
Chaptewr 5 Special Occupancies | 540.11(A)(6) | Have wire screens or perforated metal placed at the commutator of brush ends. No dimension of any opening in the wire screen or perforated metal shall exceed 1.27 mm (0.05 in.), regardless of the shape of the opening and of the material used. [540.11(A)(6)](https://2023.antflix.net#540.11(A)(6)) | https://2023.antflix.net#540.11(A)(6) |
Chaptewr 5 Special Occupancies | 540.11(B) | Switches, overcurrent devices, or other equipment not normally required or used for projectors, sound reproduction, flood or other special effect lamps, or other equipment shall not be installed in projection rooms. Exception No. 1: In projection rooms approved for use only with cellulose acetate (safety) film, the installation of appurtenant electrical equipment used in conjunction with the operation of the projection equipment and the control of lights, curtains, and audio equipment, and so forth, shall be permitted. In such projection rooms, a sign reading "Safety Film Only Permitted in This Room" shall be posted on the outside of each projection room door and within the projection room itself in a conspicuous location. Exception No. 2: Remote-control switches for the control of auditorium lights or switches for the control of motors operating curtains and masking of the motion picture screen shall be permitted to be installed in projection rooms. [540.11(B)](https://2023.antflix.net#540.11(B)) | https://2023.antflix.net#540.11(B) |
Chaptewr 5 Special Occupancies | 540.11(C) | Control of emergency systems shall comply with Article 700. [540.11(C)](https://2023.antflix.net#540.11(C)) | https://2023.antflix.net#540.11(C) |
Chaptewr 5 Special Occupancies | 540.12 | Each motion picture projector, floodlight, spotlight, or similar equipment shall have clear working space not less than 750 mm (30 in.) wide on each side and at the rear of the equipment. Exception: One such space shall be permitted between adjacent pieces of equipment. [540.12](https://2023.antflix.net#540.12) | https://2023.antflix.net#540.12 |
Chaptewr 5 Special Occupancies | 540.13 | Conductors supplying outlets for arc and xenon projectors of the professional type shall not be smaller than 8 AWG and shall have an ampacity not less than the projector current rating. Conductors for incandescent-type projectors shall conform to normal wiring standards as provided in 210.24. [540.13](https://2023.antflix.net#540.13) | https://2023.antflix.net#540.13 |
Chaptewr 5 Special Occupancies | 540.14 | Insulated conductors having a rated operating temperature of not less than 200°C (392°F) shall be used on all lamps or other equipment where the ambient temperature at the conductors as installed will exceed 50°C (122°F). [540.14](https://2023.antflix.net#540.14) | https://2023.antflix.net#540.14 |
Chaptewr 5 Special Occupancies | 540.15 | Cords approved for hard usage, as provided in Table 400.4, shall be used on portable equipment. [540.15](https://2023.antflix.net#540.15) | https://2023.antflix.net#540.15 |
Chaptewr 5 Special Occupancies | 540.20 | Projectors and enclosures for arc, xenon, and incandescent lamps and rectifiers, transformers, rheostats, and similar equipment shall be listed. [540.20](https://2023.antflix.net#540.20) | https://2023.antflix.net#540.20 |
Chaptewr 5 Special Occupancies | 540.21 | Projectors and other equipment shall be marked with the manufacturer's name or trademark and with the voltage and current for which they are designed in accordance with 110.21. [540.21](https://2023.antflix.net#540.21) | https://2023.antflix.net#540.21 |
Chaptewr 5 Special Occupancies | 540.31 | Projectors of the nonprofessional or miniature type, where employing cellulose acetate (safety) film, shall be permitted to be operated without a projection room. [540.31](https://2023.antflix.net#540.31) | https://2023.antflix.net#540.31 |
Chaptewr 5 Special Occupancies | 540.32 | Projection equipment shall be listed. [540.32](https://2023.antflix.net#540.32) | https://2023.antflix.net#540.32 |
Chaptewr 5 Special Occupancies | 545.1 | This article covers requirements for manufactured buildings, building components, relocatable structures, and the conductors that connect relocatable structures to a supply of electricity. [545.1](https://2023.antflix.net#545.1) | https://2023.antflix.net#545.1 |
Chaptewr 5 Special Occupancies | 545.4(A) | All raceway and cable wiring methods included in this Code and other wiring systems specifically intended and listed for use in manufactured buildings shall be permitted with listed fittings and with fittings listed and identified for manufactured buildings. [545.4(A)](https://2023.antflix.net#545.4(A)) | https://2023.antflix.net#545.4(A) |
Chaptewr 5 Special Occupancies | 545.4(B) | In closed construction, cables shall be permitted to be secured only at cabinets, boxes, or fittings where 10 AWG or smaller conductors are used and protection against physical damage is provided. [545.4(B)](https://2023.antflix.net#545.4(B)) | https://2023.antflix.net#545.4(B) |
Chaptewr 5 Special Occupancies | 545.5 | Provisions shall be made to route the service-entrance conductors, underground service conductors, service-lateral, feeder, or branch-circuit supply to the service or building disconnecting means conductors. [545.5](https://2023.antflix.net#545.5) | https://2023.antflix.net#545.5 |
Chaptewr 5 Special Occupancies | 545.6 | Service-entrance conductors shall be installed after erection at the building site. Exception: The service-entrance conductors shall be permitted to be installed prior to the erection at the building site where the point of attachment is known prior to manufacture. [545.6](https://2023.antflix.net#545.6) | https://2023.antflix.net#545.6 |
Chaptewr 5 Special Occupancies | 545.7 | Service equipment shall be installed in accordance with 230.70. [545.7](https://2023.antflix.net#545.7) | https://2023.antflix.net#545.7 |
Chaptewr 5 Special Occupancies | 545.8 | Protection shall be provided for exposed conductors and equipment during processes of manufacturing, packaging, in transit, and erection at the building site. [545.8](https://2023.antflix.net#545.8) | https://2023.antflix.net#545.8 |
Chaptewr 5 Special Occupancies | 545.9(A) | Boxes of dimensions other than those required in Table 314.16(A) shall be permitted to be installed where tested, identified, and listed to applicable standards. [545.9(A)](https://2023.antflix.net#545.9(A)) | https://2023.antflix.net#545.9(A) |
Chaptewr 5 Special Occupancies | 545.9(B) | Any box not over 1650 cm3 (100 in.3) in size, intended for mounting in closed construction, shall be affixed with anchors or clamps so as to provide a rigid and secure installation. [545.9(B)](https://2023.antflix.net#545.9(B)) | https://2023.antflix.net#545.9(B) |
Chaptewr 5 Special Occupancies | 545.10 | A receptacle or switch with integral enclosure and mounting means, where tested, identified, and listed to applicable standards, shall be permitted to be installed. [545.10](https://2023.antflix.net#545.10) | https://2023.antflix.net#545.10 |
Chaptewr 5 Special Occupancies | 545.11 | Prewired panels and building components shall provide for the bonding, or bonding and grounding, of all exposed metals likely to become energized, in accordance with Article 250, Parts V, VI, and VII. [545.11](https://2023.antflix.net#545.11) | https://2023.antflix.net#545.11 |
Chaptewr 5 Special Occupancies | 545.12 | Provisions shall be made to route a grounding electrode conductor from the service, feeder, or branch-circuit supply to the point of attachment to the grounding electrode. [545.12](https://2023.antflix.net#545.12) | https://2023.antflix.net#545.12 |
Chaptewr 5 Special Occupancies | 545.13 | Fittings and connectors that are intended to be concealed at the time of on-site assembly, where tested, identified, and listed to applicable standards, shall be permitted for on-site interconnection of modules or other building components. Such fittings and connectors shall be equal to the wiring method employed in insulation, temperature rise, and fault-current withstand and shall be capable of enduring the vibration and minor relative motions occurring in the components of manufactured buildings. [545.13](https://2023.antflix.net#545.13) | https://2023.antflix.net#545.13 |
Chaptewr 5 Special Occupancies | 545.20 | Relocatable structures shall comply with Part II of this article and the applicable sections of Part I. [545.20](https://2023.antflix.net#545.20) | https://2023.antflix.net#545.20 |
Chaptewr 5 Special Occupancies | 545.22(A) | A relocatable structure shall be supplied by a feeder. The feeder shall include insulated color-coded conductors, one of which shall be an equipment grounding conductor. The equipment grounding conductor shall be permitted to be uninsulated if part of a listed cable assembly. Informational Note: See 590.4(B) for temporary installation of feeder conductors. [545.22(A)](https://2023.antflix.net#545.22(A)) | https://2023.antflix.net#545.22(A) |
Chaptewr 5 Special Occupancies | 545.22(B) | Where two or more relocatable structures are structurally connected to form a single unit and there is a factory-installed panelboard in each relocatable structure, each panelboard shall be permitted to be supplied by a separate feeder. [545.22(B)](https://2023.antflix.net#545.22(B)) | https://2023.antflix.net#545.22(B) |
Chaptewr 5 Special Occupancies | 545.22(C) | The identification requirements in 225.37 shall not apply to relocatable structures structurally connected provided the following conditions are met: The relocatable structures are located on an industrial or commercial establishment where the conditions of maintenance and supervision ensure qualified individuals will service the installation.The individual panelboard enclosures or covers have been marked to indicate to location of their supply disconnecting means. The marking shall be visible without removing the cover and shall be of sufficient durability to withstand the environment involved. [545.22(C)](https://2023.antflix.net#545.22(C)) | https://2023.antflix.net#545.22(C) |
Chaptewr 5 Special Occupancies | 545.22(D)(1) | The feeder(s) shall be grounded in accordance with Parts I, II, and III of Article 250. [545.22(D)(1)](https://2023.antflix.net#545.22(D)(1)) | https://2023.antflix.net#545.22(D)(1) |
Chaptewr 5 Special Occupancies | 545.22(D)(2) | Where two or more relocatable structures are structurally connected to form a single unit, and a common grounding electrode conductor and tap arrangement as specified in 250.64(D)(1) is utilized, it shall be permitted to use the chassis bonding conductor specified in 545.26 as the tap conductor. [545.22(D)(2)](https://2023.antflix.net#545.22(D)(2)) | https://2023.antflix.net#545.22(D)(2) |
Chaptewr 5 Special Occupancies | 545.24(A) | A single disconnecting means consisting of a circuit breaker, or a switch and fuses and its accessories, shall be provided in a readily accessible location for each relocatable structure. [545.24(A)](https://2023.antflix.net#545.24(A)) | https://2023.antflix.net#545.24(A) |
Chaptewr 5 Special Occupancies | 545.24(B) | Branch-circuit distribution equipment shall be installed in each relocatable structure and shall include overcurrent protection for each branch circuit consisting of either circuit breakers or fuses. Panelboards shall be installed in a readily accessible location. [545.24(B)](https://2023.antflix.net#545.24(B)) | https://2023.antflix.net#545.24(B) |
Chaptewr 5 Special Occupancies | 545.26 | All exposed non—current-carrying metal parts that are likely to become energized shall be effectively bonded to the grounding terminal or enclosure of the panelboard. A bonding conductor shall be connected between the panelboard and an accessible terminal on the chassis. [545.26](https://2023.antflix.net#545.26) | https://2023.antflix.net#545.26 |
Chaptewr 5 Special Occupancies | 545.27 | Where two or more relocatable structures are structurally connected to form a single unit, it shall be permissible to install one communication system bonding termination in accordance with 250.94 provided all the following conditions are met: There is a factory-installed panelboard in each relocatable structure.There is a bonding conductor between the grounding terminal in each panelboard and chassis in accordance with 545.26.There is a minimum 6 AWG copper conductor that extends from the communication system bonding termination that is connected to each chassis bonding conductor required by 545.26.The communication bonding termination shall be permitted to be located in the same area as the primary protector or common communications equipment supplying the relocatable structures. [545.27](https://2023.antflix.net#545.27) | https://2023.antflix.net#545.27 |
Chaptewr 5 Special Occupancies | 545.28 | In addition to the requirements of 210.8(B), all receptacle outlets installed in compartments accessible from outside the relocatable structure shall have GFCI protection for personnel. [545.28](https://2023.antflix.net#545.28) | https://2023.antflix.net#545.28 |
Chaptewr 5 Special Occupancies | 547.1 | This article applies to the following agricultural buildings or that part of a building or adjacent areas of similar or like nature as specified in 547.1(A) or (B). [547.1](https://2023.antflix.net#547.1) | https://2023.antflix.net#547.1 |
Chaptewr 5 Special Occupancies | 547.1(A) | Agricultural buildings where excessive dust and dust with water may accumulate, including all areas of poultry, livestock, and fish confinement systems, where litter dust or feed dust, including mineral feed particles, may accumulate. [547.1(A)](https://2023.antflix.net#547.1(A)) | https://2023.antflix.net#547.1(A) |
Chaptewr 5 Special Occupancies | 547.1(B) | Agricultural buildings where a corrosive atmosphere exists. Such buildings include areas where the following conditions exist: Poultry and animal excrement may cause corrosive vapors.Corrosive particles may combine with water.The area is damp and wet by reason of periodic washing for cleaning and sanitizing with water and cleansing agents.Similar conditions exist. [547.1(B)](https://2023.antflix.net#547.1(B)) | https://2023.antflix.net#547.1(B) |
Chaptewr 5 Special Occupancies | 547.3 | For buildings and structures not having conditions as specified in 547.1, the electrical installations shall be made in accordance with the applicable articles in this Code. [547.3](https://2023.antflix.net#547.3) | https://2023.antflix.net#547.3 |
Chaptewr 5 Special Occupancies | 547.4 | Electrical equipment or devices installed in accordance with this article shall be installed in a manner such that they will function at full rating without developing surface temperatures in excess of the specified normal safe operating range of the equipment or device. Informational Note: See Part III of Article 502 for use of equipment in Class 2 locations. [547.4](https://2023.antflix.net#547.4) | https://2023.antflix.net#547.4 |
Chaptewr 5 Special Occupancies | 547.20 | Wiring methods shall be limited to the following: Type UFType NMCType SE cable-copperJacketed Type MC cableRaceways identified for the locations specified in 547.1(A) and (B)The wiring methods of Article 502, Part II, shall be permitted for areas described in 547.1.Informational Note: See 300.7, 352.44, and 355.44 for installation of raceway systems exposed to widely different temperatures. [547.20](https://2023.antflix.net#547.20) | https://2023.antflix.net#547.20 |
Chaptewr 5 Special Occupancies | 547.21 | All cables shall be secured within 200 mm (8 in.) of each cabinet, box, or fitting. Nonmetallic boxes, fittings, conduit, and cables shall be permitted to be mounted directly to any building surface covered by this article without maintaining the 6 mm (1/4 in.) airspace in accordance with 300.6(D). [547.21](https://2023.antflix.net#547.21) | https://2023.antflix.net#547.21 |
Chaptewr 5 Special Occupancies | 547.22 | Equipment enclosures, boxes, conduit bodies, and fittings installed in areas of buildings where excessive dust could be present shall be designed to minimize the entrance of dust and shall have no openings through which dust could enter the enclosure. [547.22](https://2023.antflix.net#547.22) | https://2023.antflix.net#547.22 |
Chaptewr 5 Special Occupancies | 547.23 | In damp or wet locations, equipment enclosures, boxes, conduit bodies, and fittings shall be placed or equipped so as to prevent moisture from entering or accumulating within the enclosure, box, conduit body, or fitting. In wet locations, including normally dry or damp locations where surfaces are periodically washed or sprayed with water, boxes, conduit bodies, and fittings shall be listed for use in wet locations, and equipment enclosures shall be weatherproof. [547.23](https://2023.antflix.net#547.23) | https://2023.antflix.net#547.23 |
Chaptewr 5 Special Occupancies | 547.24 | Where wet dust, excessive moisture, corrosive gases or vapors, or other corrosive conditions could be present, equipment enclosures, boxes, conduit bodies, and fittings shall have corrosion resistance properties suitable for the conditions. Informational Note No. 1: See Table 110.28 for appropriate enclosure type designations. Informational Note No. 2: Aluminum and magnetic ferrous materials can corrode in agricultural environments. [547.24](https://2023.antflix.net#547.24) | https://2023.antflix.net#547.24 |
Chaptewr 5 Special Occupancies | 547.25 | Where necessary to employ flexible connections, one or more of the following shall be permitted: Dusttight flexible connectorsLiquidtight flexible metal conduit (LFMC) with listed fittingsLiquidtight flexible nonmetallic conduit (LFNC) with listed fittingsFlexible cord listed and identified for hard usage and terminated with listed dusttight cord connectors [547.25](https://2023.antflix.net#547.25) | https://2023.antflix.net#547.25 |
Chaptewr 5 Special Occupancies | 547.26 | All electrical wiring and equipment subject to physical damage shall be protected. Nonmetallic cables shall not be permitted to be concealed within walls and above ceilings of buildings (i.e., offices, lunchrooms, ancillary areas, etc.) or portions thereof, which are contiguous with or physically adjoined to livestock confinement areas. Informational Note: Rodents and other pests are common around such installations and will damage nonmetallic cable by chewing the cable jacket and conductor insulation concealed within walls and ceilings of livestock containment areas of agricultural buildings. [547.26](https://2023.antflix.net#547.26) | https://2023.antflix.net#547.26 |
Chaptewr 5 Special Occupancies | 547.27 | Where a separate equipment grounding conductor, not part of a listed cable assembly, is installed underground within a location falling under the scope in 547.1, it shall be insulated. Informational Note: See 250.120(B) for further information on aluminum and copper-clad aluminum conductors. [547.27](https://2023.antflix.net#547.27) | https://2023.antflix.net#547.27 |
Chaptewr 5 Special Occupancies | 547.28 | Ground-fault circuit-interrupter (GFCI) protection shall be provided as required in 210.8(B) for areas of agricultural buildings not included in the scope of this article. GFCI protection shall not be required for other than 125-volt, 15- and 20-ampere receptacles installed within the following areas: Areas requiring an equipotential planeOutdoorsDamp or wet locationsDirt confinement areas for livestock [547.28](https://2023.antflix.net#547.28) | https://2023.antflix.net#547.28 |
Chaptewr 5 Special Occupancies | 547.29 | Switches, including pushbuttons, relays, and similar devices, receptacles, circuit breakers, controllers, and fuses, shall be provided with enclosures as specified in 547.22. [547.29](https://2023.antflix.net#547.29) | https://2023.antflix.net#547.29 |
Chaptewr 5 Special Occupancies | 547.30 | Motors and other rotating electrical machinery shall be totally enclosed or designed so as to minimize the entrance of dust, moisture, or corrosive particles. [547.30](https://2023.antflix.net#547.30) | https://2023.antflix.net#547.30 |
Chaptewr 5 Special Occupancies | 547.31 | Luminaires shall comply with 547.31(A) through (C). [547.31](https://2023.antflix.net#547.31) | https://2023.antflix.net#547.31 |
Chaptewr 5 Special Occupancies | 547.31(A) | Luminaires shall be installed to minimize the entrance and accumulation of dust, foreign matter, moisture, and corrosive material. [547.31(A)](https://2023.antflix.net#547.31(A)) | https://2023.antflix.net#547.31(A) |
Chaptewr 5 Special Occupancies | 547.31(B) | Luminaires exposed to physical damage shall be protected by a suitable guard. [547.31(B)](https://2023.antflix.net#547.31(B)) | https://2023.antflix.net#547.31(B) |
Chaptewr 5 Special Occupancies | 547.31(C) | Luminaires exposed to water from condensation, building cleansing water, or solution shall be listed for use in wet locations. [547.31(C)](https://2023.antflix.net#547.31(C)) | https://2023.antflix.net#547.31(C) |
Chaptewr 5 Special Occupancies | 547.40 | Any agricultural building or structure for livestock located on the same premises shall be supplied from a distribution point. More than one distribution point on the same premises shall be permitted. Any existing agricultural building or structure for other than livestock not under the scope of Article 547 shall be permitted to be supplied in accordance with 250.32(B)(1), Exception No. 1. [547.40](https://2023.antflix.net#547.40) | https://2023.antflix.net#547.40 |
Chaptewr 5 Special Occupancies | 547.41 | Overhead service installations shall comply with 547.41(A)(1) through (A)(9), 547.41(B)(1) through (B)(3), or 547.42. [547.41](https://2023.antflix.net#547.41) | https://2023.antflix.net#547.41 |
Chaptewr 5 Special Occupancies | 547.41(A) | Site-isolating devices shall comply with 547.41(A)(1) through (A)(9). [547.41(A)](https://2023.antflix.net#547.41(A)) | https://2023.antflix.net#547.41(A) |
Chaptewr 5 Special Occupancies | 547.41(A)(1) | A site-isolating device shall be installed at the distribution point where two or more buildings or structures are supplied from the distribution point. [547.41(A)(1)](https://2023.antflix.net#547.41(A)(1)) | https://2023.antflix.net#547.41(A)(1) |
Chaptewr 5 Special Occupancies | 547.41(A)(2) | The site-isolating device shall be pole-mounted and be not less than the height above grade required by 230.24 for the conductors it supplies. [547.41(A)(2)](https://2023.antflix.net#547.41(A)(2)) | https://2023.antflix.net#547.41(A)(2) |
Chaptewr 5 Special Occupancies | 547.41(A)(3) | The site-isolating device shall simultaneously disconnect all ungrounded service conductors from the premises wiring. [547.41(A)(3)](https://2023.antflix.net#547.41(A)(3)) | https://2023.antflix.net#547.41(A)(3) |
Chaptewr 5 Special Occupancies | 547.41(A)(4) | At the site-isolating device, the grounding electrode conductor shall be connected to the system grounded conductor and the enclosure. [547.41(A)(4)](https://2023.antflix.net#547.41(A)(4)) | https://2023.antflix.net#547.41(A)(4) |
Chaptewr 5 Special Occupancies | 547.41(A)(5) | The site-isolating device shall be rated for the calculated load as determined by Part V of Article 220. [547.41(A)(5)](https://2023.antflix.net#547.41(A)(5)) | https://2023.antflix.net#547.41(A)(5) |
Chaptewr 5 Special Occupancies | 547.41(A)(6) | The site-isolating device shall not be required to provide overcurrent protection. [547.41(A)(6)](https://2023.antflix.net#547.41(A)(6)) | https://2023.antflix.net#547.41(A)(6) |
Chaptewr 5 Special Occupancies | 547.41(A)(7) | The site-isolating device shall be capable of being remotely operated by an operating handle installed at a readily accessible location. The operating handle of the site-isolating device, when in its highest position, shall not be more than 2.0 m (6 ft 7 in.) above grade or a working platform. [547.41(A)(7)](https://2023.antflix.net#547.41(A)(7)) | https://2023.antflix.net#547.41(A)(7) |
Chaptewr 5 Special Occupancies | 547.41(A)(8) | An additional site-isolating device for the premises wiring system shall not be required where a site-isolating device meeting all applicable requirements of this section is provided by the serving utility as part of their service requirements. [547.41(A)(8)](https://2023.antflix.net#547.41(A)(8)) | https://2023.antflix.net#547.41(A)(8) |
Chaptewr 5 Special Occupancies | 547.41(A)(9) | A site-isolating device shall be permanently marked to identify it as a site-isolating device. This marking shall be located on the operating handle or immediately adjacent thereto. [547.41(A)(9)](https://2023.antflix.net#547.41(A)(9)) | https://2023.antflix.net#547.41(A)(9) |
Chaptewr 5 Special Occupancies | 547.41(B) | Where the service disconnecting means and overcurrent protection are located at the building(s) or structure(s), the requirements of 547.41(B)(1) through (B)(3) shall apply. [547.41(B)](https://2023.antflix.net#547.41(B)) | https://2023.antflix.net#547.41(B) |
Chaptewr 5 Special Occupancies | 547.41(B)(1) | The supply conductors shall be sized in accordance with Part V of Article 220. [547.41(B)(1)](https://2023.antflix.net#547.41(B)(1)) | https://2023.antflix.net#547.41(B)(1) |
Chaptewr 5 Special Occupancies | 547.41(B)(2) | The supply conductors shall be installed in accordance with Part II of Article 225. [547.41(B)(2)](https://2023.antflix.net#547.41(B)(2)) | https://2023.antflix.net#547.41(B)(2) |
Chaptewr 5 Special Occupancies | 547.41(B)(3) | For each building or structure, grounding and bonding of the supply conductors shall be in accordance with 250.32, and the following conditions shall be met: The equipment grounding conductor is not smaller than the largest supply conductor if of the same material or is adjusted in size in accordance with the equivalent size columns of Table 250.122 if of different materials.The equipment grounding conductor is connected to the grounded circuit conductor and the site-isolating device enclosure at the distribution point. [547.41(B)(3)](https://2023.antflix.net#547.41(B)(3)) | https://2023.antflix.net#547.41(B)(3) |
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