Chapter stringclasses 6 values | Reference stringlengths 1 17 | Body stringlengths 62 23.1k | URL stringlengths 26 42 |
|---|---|---|---|
Chapter 7 Special Conditions | 725.139(D)(1) | Conductors of one or more Class 2 or Class 3 circuits shall be permitted in the same cable with conductors of communications circuits if the cable is a listed communications cable installed in accordance with Part V of Article 800. The cables shall be listed as communications cables. [725.139(D)(1)](https://2023.antflix.net#725.139(D)(1)) | https://2023.antflix.net#725.139(D)(1) |
Chapter 7 Special Conditions | 725.139(D)(2) | Cables constructed of individually listed Class 2, Class 3, and communications cables under a common jacket shall be permitted to be classified as communications cables. The fire resistance rating of the composite cable shall be determined by the performance of the composite cable. [725.139(D)(2)](https://2023.antflix.net#725.139(D)(2)) | https://2023.antflix.net#725.139(D)(2) |
Chapter 7 Special Conditions | 725.139(E) | Jacketed cables of Class 2 or Class 3 circuits shall be permitted in the same enclosure, cable tray, raceway, or cable routing assembly with jacketed cables of any of the following: Power-limited fire alarm systems in compliance with Parts I and III of Article 760Nonconductive and conductive optical fiber cables in compliance with Parts I and IV of Article 770Communications circuits in compliance with Parts I and IV of Article 805Community antenna television and radio distribution systems in compliance with Parts I and IV of Article 820Low-power, network-powered broadband communications in compliance with Parts I and IV of Article 830 [725.139(E)](https://2023.antflix.net#725.139(E)) | https://2023.antflix.net#725.139(E) |
Chapter 7 Special Conditions | 725.139(F) | Audio system circuits described in 640.9(C) and installed using Class 2 or Class 3 wiring methods in compliance with 722.135 shall not be installed in the same cable, raceway, or cable routing assembly with Class 2 or Class 3 conductors or cables. [725.139(F)](https://2023.antflix.net#725.139(F)) | https://2023.antflix.net#725.139(F) |
Chapter 7 Special Conditions | 725.144 | Sections 725.144(A) and (B) shall apply to Class 2 and Class 3 circuits that transmit power and data to a powered device over listed cabling. Section 300.11 and Parts I and III of Article 725 shall apply to Class 2 and Class 3 circuits that transmit power and data. The conductors that carry power for the data circuits shall be copper. The current in the power circuit shall not exceed the current limitation of the connectors. Informational Note No. 1: One example of the use of cables that transmit power and data is the connection of closed-circuit TV cameras (CCTV). Informational Note No. 2: The 8P8C connector is in widespread use with powered communications systems. IEC 60603-7-2008, Connectors for electronic equipment - Part 7-1: Detail specification for 8-way, unshielded, free and, fixed connectors, specifies these connectors to have a current-carrying capacity per contact of 1.0 amperes maximum at 60°C (149°F). See IEC 60603-7 for more information on current-carrying capacity at higher and lower temperatures. Informational Note No. 3: The requirements of Table 725.144 were derived for carrying power and data over 4-pair copper balanced twisted pair cabling. This type of cabling is described in ANSI/TIA 568-C.2-2009, Commercial Building Telecommunications Cabling Standard - Part 2: Balanced Twisted-Pair Telecommunications Cabling and Components. Informational Note No. 4: See TIA-TSB-184-A-2017, Guidelines for Supporting Power Delivery Over Balanced Twisted-Pair Cabling, for information on installation and management of balanced twisted pair cabling supporting power delivery. Informational Note No. 5: See ANSI/NEMA C137.3-2017, American National Standard for Lighting Systems - Minimum Requirements for Installation of Energy Efficient Power over Ethernet (PoE) Lighting Systems, for information on installation of cables for PoE lighting systems. Informational Note No. 6: Rated current for power sources covered in 725.144 is the output current per conductor the power source is designed to deliver to an operational load at normal operating conditions, as declared by the manufacturer. In the design of these systems, the actual current in a given conductor might vary from the rated current per conductor by as much as 20 percent. An increase in current in one conductor is offset by a corresponding decrease in current in one or more conductors of the same cable. [725.144](https://2023.antflix.net#725.144) | https://2023.antflix.net#725.144 |
Chapter 7 Special Conditions | 725.144(A) | Where Type CL3P, Type CL2P, Type CL3R, Type CL2R, Type CL3, or Type CL2 4-pair cables transmit power and data, the rated current per conductor of the power source shall not exceed the ampacities in Table 725.144 at an ambient temperature of 30°C (86°F). For ambient temperatures above 30°C (86°F), the correction factors in Table 310.15(B)(1)(1) or in Equation 310.15(B) shall apply. Exception: Compliance with Table 725.144 shall not be required for installations where conductors are 24 AWG or larger and the rated current per conductor of the power source does not exceed 0.3 amperes. Informational Note: One example of the use of Class 2 cables is a network of closed-circuit TV cameras using 24 AWG, 60°C rated, Type CL2R, Category 5e balanced twisted-pair cabling. [725.144(A)](https://2023.antflix.net#725.144(A)) | https://2023.antflix.net#725.144(A) |
Chapter 7 Special Conditions | 725.144(B) | Type CL3P-LP, Type CL2P-LP, Type CL3R-LP, Type CL2R-LP, Type CL3-LP, or Type CL2-LP cables shall be permitted to supply power to equipment from a power source with a rated current per conductor up to the marked current limit located immediately following the suffix "-LP" and shall be permitted to transmit data to the equipment. Where the number of bundled LP cables is 192 or less and the selected ampacity of the cables in accordance with Table 725.144 exceeds the marked current limit of the cable, the ampacity determined from the table shall be permitted to be used. For ambient temperatures above 30°C (86°F), the correction factors of Table 310.15(B)(1)(1) or Equation 310.15(B) shall apply. The Class 2-LP and Class 3-LP cables shall comply with the following, as applicable: Cables with the suffix "-LP" shall be permitted to be installed in bundles, raceways, cable trays, communications raceways, and cable routing assemblies.Cables with the suffix "-LP" and a marked current limit shall follow the substitution hierarchy of 722.135(E) for the cable type without the suffix "-LP" and without the marked current limit.System design shall be permitted by qualified persons under engineering supervision.Informational Note: An example of the marking on a 23 AWG, 4-pair, Class 2 cable rated 75°C with an LP current rating of 0.6 amperes per conductor is "CL2-LP(0.6A) 75°C 23 AWG 4-pair". See 722.179(A)(9). [725.144(B)](https://2023.antflix.net#725.144(B)) | https://2023.antflix.net#725.144(B) |
Chapter 7 Special Conditions | 725.160 | The listed power source for circuits intended to provide power and data over Class 2 cables to remote equipment shall be as specified in 725.60(A)(1), (A)(2), (A)(3), or (A)(4). In accordance with 725.60(B), the power sources shall not have the output connections paralleled or otherwise interconnected, unless listed for such interconnection. Powered devices connected to a circuit supplying data and power shall be listed. Marking of equipment output connections shall be in accordance with 725.60(C). [725.160](https://2023.antflix.net#725.160) | https://2023.antflix.net#725.160 |
Chapter 7 Special Conditions | 726.1 | This article covers the installation of wiring systems and equipment, including utilization equipment, of Class 4 fault-managed power (FMP) systems. Informational Note No. 1: Class 4 fault-managed power systems consist of a Class 4 power transmitter and a Class 4 power receiver connected by a Class 4 cabling system. These systems are characterized by monitoring the circuit for faults and controlling the source current to ensure the energy delivered into any fault is limited. Class 4 systems differ from Class 1, Class 2, and Class 3 systems in that they are not limited for power delivered to an appropriate load. They are current limited for faults between the Class 4 transmitter and Class 4 receiver. Table 725.144 Ampacities of Each Conductor in Amperes in 4-Pair Class 2 or Class 3 Balanced Twisted-Pair Cables Based on Copper Conductors at an Ambient Temperature of 30°C (86°F) with All Conductors in All Cables Carrying Current, 60°C (140°F), 75°C (167°F), and 90°C (194°F) Rated Cables AWG Number of 4-Pair Cables in a Bundle 1—7 8—19 20—37 38—61 62—91 92—192 Temperature Rating Temperature Rating Temperature Rating Temperature Rating Temperature Rating Temperature Rating 60°C 75°C 90°C 60°C 75°C 90°C 60°C 75°C 90°C 60°C 75°C 90°C 60°C 75°C 90°C 60°C 75°C 90°C 26 1.00 1.23 1.42 0.71 0.87 1.02 0.55 0.68 0.78 0.46 0.57 0.67 0.45 0.55 0.64 NA NA NA 24 1.19 1.46 1.69 0.81 1.01 1.17 0.63 0.78 0.91 0.55 0.67 0.78 0.46 0.56 0.65 0.40 0.48 0.55 23 1.24 1.53 1.78 0.89 1.11 1.28 0.77 0.95 1.10 0.66 0.80 0.93 0.58 0.71 0.82 0.45 0.55 0.63 22 1.50 1.86 2.16 1.04 1.28 1.49 0.77 0.95 1.11 0.66 0.82 0.96 0.62 0.77 0.89 0.53 0.63 0.72 Notes: 1. For bundle sizes over 192 cables, or for conductor sizes smaller than 26 AWG, ampacities shall be permitted to be determined by qualified personnel under engineering supervision. 2. Where only half of the conductors in each cable are carrying current, the values in the table shall be permitted to be increased by a factor of 1.4. Informational Note No. 1: Elevated cable temperatures can reduce a cable's data transmission performance. For information on practices for 4-pair balanced twisted pair cabling, see TIA-TSB-184-A and 6.4.7, 6.6.3, and Annex G of ANSI/TIA-568-C.2, which provide guidance on adjustments for operating temperatures between 20°C and 60°C. Informational Note No. 2: The per-contact current rating of connectors can limit the maximum allowable current below the ampacity shown in Table 725.144. Informational Note No. 2: The circuits described in this article are characterized by monitoring and control systems that differentiate them from electric light and power circuits; therefore, alternative requirements to those of Chapters 1 through 4 are given. [726.1](https://2023.antflix.net#726.1) | https://2023.antflix.net#726.1 |
Chapter 7 Special Conditions | 726.3 | The listing and installation of cables for Class 4 circuits shall comply with Article 722. Only those sections of Article 300 referenced in Article 722 shall apply to Class 4 circuits. [726.3](https://2023.antflix.net#726.3) | https://2023.antflix.net#726.3 |
Chapter 7 Special Conditions | 726.10 | Class 4 power systems shall be permitted to be used in hazardous (classified) locations where specifically permitted by other articles in this Code. [726.10](https://2023.antflix.net#726.10) | https://2023.antflix.net#726.10 |
Chapter 7 Special Conditions | 726.12 | Class 4 power systems shall not be permitted in dwelling units. [726.12](https://2023.antflix.net#726.12) | https://2023.antflix.net#726.12 |
Chapter 7 Special Conditions | 726.24 | Class 4 equipment shall be installed in a neat and workmanlike manner. The installation shall also comply with 300.4 and 300.11. [726.24](https://2023.antflix.net#726.24) | https://2023.antflix.net#726.24 |
Chapter 7 Special Conditions | 726.121 | The power source shall be a listed Class 4 power transmitter or a listed Class 4 power transmitter as part of a transmitter/receiver system and shall provide the protections in accordance with 726.121(A). Class 4 circuits shall be supplied from a power source (transmitter) that has a voltage output of not more than 450 volts peak or dc. Informational Note No. 1: Informational Note Figure 726.121 illustrates the relationships between Class 4 power transmitters (power sources), Class 4 circuits, Class 4 power receivers, and utilization equipment. Informational Note No. 2: See UL 1400-1, Outline for Fault-Managed Power Systems- Part 1: General Requirements, for information on determining applicable requirements for the listing of Class 4 power systems. [726.121](https://2023.antflix.net#726.121) | https://2023.antflix.net#726.121 |
Chapter 7 Special Conditions | 726.121(A) | For listing purposes, a transmitter shall interrupt an energized circuit when any of the following conditions occur on the circuit between the transmitter and receiver: A short circuitA line-to-line fault condition that presents an unacceptable risk of fire or electric shockA ground-fault condition that presents an unacceptable risk of fire or electric shockAn overcurrent conditionA malfunction of the monitoring or control system that presents an unacceptable risk of fire or electric shockAny other condition that presents an unacceptable risk of fire or electric shockInformational Note: See UL 1400-1, Outline for Fault-Managed Power Systems - Part 1: General Requirements, for information on determining applicable requirements for the listing of Class 4 power systems, including safe operation and limiting the risk of fire and electric shock.Informational Note Figure 726.121 Class 4 Circuits. [726.121(A)](https://2023.antflix.net#726.121(A)) | https://2023.antflix.net#726.121(A) |
Chapter 7 Special Conditions | 726.122 | Outputs of a Class 4 receiver and power outputs of Class 4 utilization equipment shall be considered a separately derived system if the outputs are used as a supply for a feeder or branch circuit. Informational Note: Class 4 utilization equipment that does not provide power outputs is not subject to these requirements. Exception: A Class 4 receiver with limited-power circuit outputs shall be permitted to meet the requirements of Part II of Article 725. [726.122](https://2023.antflix.net#726.122) | https://2023.antflix.net#726.122 |
Chapter 7 Special Conditions | 726.124(A) | The equipment supplying the Class 4 circuits shall be durably marked where plainly visible to indicate each circuit that is a Class 4 circuit. The marking shall also include the maximum voltage and current output for each connection point. Where multiple connection points have the same rating, a single label shall be permitted to be used. Informational Note: An example of marking is "Class 4: +/- 190V, 5A" for a Class 4 transmitter capable of delivering 1.9 kW from 380 volts line to line. [726.124(A)](https://2023.antflix.net#726.124(A)) | https://2023.antflix.net#726.124(A) |
Chapter 7 Special Conditions | 726.124(B)(1) | A Class 4 receiver or Class 4 utilization equipment shall be durably marked where plainly visible to indicate each circuit that is a Class 4 circuit. The marking shall include the maximum input voltage and current for each connection point. [726.124(B)(1)](https://2023.antflix.net#726.124(B)(1)) | https://2023.antflix.net#726.124(B)(1) |
Chapter 7 Special Conditions | 726.124(B)(2) | Where the Class 4 receiver or Class 4 utilization equipment has outputs, terminals, or socket outlets for providing power to other equipment, each output shall be durably marked where plainly visible. The marking shall include the maximum output voltage and current for each connection point. Where multiple connection points have the same rating, a single label shall be permitted to be used. Class 1, Class 2, and Class 3 circuits shall be identified in accordance with 724.30 or Part II of Article 725. [726.124(B)(2)](https://2023.antflix.net#726.124(B)(2)) | https://2023.antflix.net#726.124(B)(2) |
Chapter 7 Special Conditions | 726.130(A) | Connecting hardware used on Class 4 distribution systems shall be listed. [726.130(A)](https://2023.antflix.net#726.130(A)) | https://2023.antflix.net#726.130(A) |
Chapter 7 Special Conditions | 726.130(B) | Connectors for Class 4 circuits shall be designed such that they are not interchangeable with non—power-limited sources located on the same premises. [726.130(B)](https://2023.antflix.net#726.130(B)) | https://2023.antflix.net#726.130(B) |
Chapter 7 Special Conditions | 726.130(C) | Any junctions and mating connectors shall be constructed and installed to guard against inadvertent contact with live parts by persons. [726.130(C)](https://2023.antflix.net#726.130(C)) | https://2023.antflix.net#726.130(C) |
Chapter 7 Special Conditions | 726.136(A) | Cables and conductors of Class 4 circuits shall not be placed in any cable, cable tray, compartment, enclosure, manhole, outlet box, device box, raceway, or similar fitting with conductors of electric light, power, Class 1, non—power-limited fire alarm, and medium-power network-powered broadband communications circuits unless permitted by 726.136(B) through (H). [726.136(A)](https://2023.antflix.net#726.136(A)) | https://2023.antflix.net#726.136(A) |
Chapter 7 Special Conditions | 726.136(B) | Class 4 circuits shall be permitted to be installed together with the conductors of electric light, power, Class 1, non—power-limited fire alarm, and medium-power network-powered broadband communications circuits where they are separated by a barrier. [726.136(B)](https://2023.antflix.net#726.136(B)) | https://2023.antflix.net#726.136(B) |
Chapter 7 Special Conditions | 726.136(C) | In enclosures, Class 4 circuits shall be permitted to be installed in a raceway to separate them from Class 1, non—power-limited fire alarm, and medium-power network-powered broadband communications circuits. [726.136(C)](https://2023.antflix.net#726.136(C)) | https://2023.antflix.net#726.136(C) |
Chapter 7 Special Conditions | 726.136(D) | Class 4 circuit conductors in compartments, enclosures, device boxes, outlet boxes, or similar fittings shall be permitted to be installed with electric light, power, Class 1, non—power-limited fire alarm, and medium-power network-powered broadband communications circuits where they are introduced solely to connect the equipment connected to Class 4 circuits, and where either of the following applies: The electric light, power, Class 1, non—power-limited fire alarm, and medium-power network-powered broadband communications circuit conductors are routed to maintain a minimum of 6 mm (0.25 in.) separation from the conductors and cables of Class 4 circuits.The non-Class 4 circuit conductors operate at 150 volts or less to ground and the Class 4 circuits are installed using Type CL4, Type CL4R, or Type CL4P cables if any CL4 cable conductors extending beyond the jacket are separated by a minimum of 6 mm (0.25 in.) or by a nonconductive sleeve or nonconductive barrier from all other conductors. [726.136(D)](https://2023.antflix.net#726.136(D)) | https://2023.antflix.net#726.136(D) |
Chapter 7 Special Conditions | 726.136(E) | Class 4 circuit conductors entering compartments, enclosures, device boxes, outlet boxes, or similar fittings shall be permitted to be installed with Class 1, non—power-limited fire alarm, and medium-power network-powered broadband communications circuits where they are introduced solely to connect the equipment connected to Class 4 circuits. Where Class 4 circuit conductors must enter an enclosure that is provided with a single opening, they shall be permitted to enter through a single fitting (such as a tee) if the conductors are separated from the conductors of the other circuits by a continuous and firmly fixed nonconductor, such as flexible tubing. [726.136(E)](https://2023.antflix.net#726.136(E)) | https://2023.antflix.net#726.136(E) |
Chapter 7 Special Conditions | 726.136(F) | Underground Class 4 circuit conductors in a manhole shall be permitted to be installed with Class 1, non-power-limited fire alarm, and medium-power network-powered broadband communications circuits where one of the following conditions is met: The electric light, power, Class 1, non—power-limited fire alarm, and medium-power network-powered broadband communications circuit conductors are in a metal-enclosed cable or Type UF cable.The Class 4 circuit conductors are permanently and effectively separated from the conductors of other circuits by a continuous and firmly fixed nonconductor, such as flexible tubing, in addition to the insulation or covering on the wire.The Class 4 circuit conductors are permanently and effectively separated from conductors of the other circuits and securely fastened to racks, insulators, or other approved supports. [726.136(F)](https://2023.antflix.net#726.136(F)) | https://2023.antflix.net#726.136(F) |
Chapter 7 Special Conditions | 726.136(G) | Class 4 circuit conductors shall be permitted to be installed in cable trays where the conductors of the electric light. Class 1, and non—power-limited fire alarm circuits are separated by a solid fixed barrier of a material compatible with the cable tray or where the Class 4 circuits are installed in Type MC cable. [726.136(G)](https://2023.antflix.net#726.136(G)) | https://2023.antflix.net#726.136(G) |
Chapter 7 Special Conditions | 726.136(H) | For other applications, conductors of Class 4 circuits shall be separated by at least 50 mm (2 in.) from conductors of any electric light, power. Class 1, non—power-limited fire alarm, or medium-power network-powered broadband communications circuits unless one of the following conditions is met: Either all of the electric light, power, Class 1, non—power-limited fire alarm, and medium-power network-powered broadband communications circuit conductors or all of the Class 4 circuit conductors are in a raceway or in metal-sheathed, metal-clad, non-metallic-sheathed, Type TC, or Type UF cablesAll of the electric light, power, Class 1, non—power-limited fire alarm, and medium-power network-powered broadband communications circuit conductors are permanently separated from all of the Class 4 circuit conductors by a continuous and firmly fixed nonconductor, such as porcelain tubes or flexible tubing, in addition to the insulation on the conductors [726.136(H)](https://2023.antflix.net#726.136(H)) | https://2023.antflix.net#726.136(H) |
Chapter 7 Special Conditions | 726.139(A) | Conductors of two or more Class 4 circuits shall be permitted within the same cable, enclosure, raceway, or cable routing assembly. [726.139(A)](https://2023.antflix.net#726.139(A)) | https://2023.antflix.net#726.139(A) |
Chapter 7 Special Conditions | 726.139(B) | Conductors of one or more Class 4 circuits shall be permitted within the same cable assembly as conductors of Class 2, Class 3, or communications circuits if the insulation of the Class 2, Class 3, or communications circuit conductors in the cable is at least that required for Class 4 circuits. Class 4 cables shall be permitted within the same enclosure, raceway, or cable routing assembly as Class 2, Class 3, or communications circuits. [726.139(B)](https://2023.antflix.net#726.139(B)) | https://2023.antflix.net#726.139(B) |
Chapter 7 Special Conditions | 726.139(C) | Jacketed cables of Class 4 circuits shall be permitted in the same enclosure, cable tray, raceway, or cable routing assembly with jacketed cables of any of the following: Power-limited fire alarm systems in compliance with Parts I and III of Article 760Nonconductive and conductive optical fiber cables in compliance with Parts I and IV of Article 770Communications circuits in compliance with Parts I and IV of Article 805Community antenna television and radio distribution systems in compliance with Parts I and IV of Article 820Low-power, network-powered broadband communications in compliance with Parts I and IV of Article 830 [726.139(C)](https://2023.antflix.net#726.139(C)) | https://2023.antflix.net#726.139(C) |
Chapter 7 Special Conditions | 726.144 | The ampacity of Class 4 cables shall comply with 300.15 based on the temperature rating of the Class 4 cable for conductors sized 16 AWG to 6 AWG. For conductors sized 24 AWG to 17 AWG, the Class 4 cable shall be rated for the intended ampacity as evidenced by the marking FMP-XXA, where XX is the maximum allowable ampacity permitted. Informational Note No. 1: See 722.179(A) (16) for additional Class 4 cable requirements. Informational Note No. 2: See UL 1400-1, Outline of Investigation for Fault-Managed Power Systems - Part 1: General Requirements, and UL 1400-2, Outline of Fault-Managed Power Systems - Part 2: Requirements for Class 4 Cables, for information on determining maximum allowable ampacities. [726.144](https://2023.antflix.net#726.144) | https://2023.antflix.net#726.144 |
Chapter 7 Special Conditions | 726.170 | The active components of a Class 4 system shall be listed as a Class 4 device. The listing information shall include compatible devices if a listed Class 4 device depends on specific system devices for interoperability, monitoring, or control. Informational Note No. 1: See UL 1400-1, Outline for Fault-Managed Power Systems - Part I: General Requirements, for information on determining applicable requirements for the listing of Class 4 power systems. Informational Note No. 2: An example of a dependent active device in a Class 4 system is a transmitter that relies on a particular receiver or receivers as part of the monitoring and control system. [726.170](https://2023.antflix.net#726.170) | https://2023.antflix.net#726.170 |
Chapter 7 Special Conditions | 728.1 | This article covers the installation of fire-resistive cables, fire-resistive conductors, and other system components used for survivability of critical circuits to ensure continued operation during a specified time under fire conditions as required in this Code. [728.1](https://2023.antflix.net#728.1) | https://2023.antflix.net#728.1 |
Chapter 7 Special Conditions | 728.3 | Wherever the requirements of other articles of this Code and Article 728 differ, the requirements of Article 728 shall apply. [728.3](https://2023.antflix.net#728.3) | https://2023.antflix.net#728.3 |
Chapter 7 Special Conditions | 728.4 | Fire-resistive cables and conductors and their components shall be tested and listed as a complete system, shall be designated for use in a specific system, and shall not be interchangeable between systems. Informational Note: One method of defining the fire rating is by testing the system in accordance with UL 2196, Fire Test for Circuit Integrity of Fire-Resistive Power, Instrumentation, Control and Data Cables. [728.4](https://2023.antflix.net#728.4) | https://2023.antflix.net#728.4 |
Chapter 7 Special Conditions | 728.5 | Fire-resistive cable systems installed outside the fire-rated rooms that they serve, such as the electrical room or the fire pump room, shall comply with the requirements of 728.5(A) through (H) and all other installation instructions provided in the listing. [728.5](https://2023.antflix.net#728.5) | https://2023.antflix.net#728.5 |
Chapter 7 Special Conditions | 728.5(A) | The fire-resistive cable system shall be secured to the building structure in accordance with the listing and the manufacturer's installation instructions. [728.5(A)](https://2023.antflix.net#728.5(A)) | https://2023.antflix.net#728.5(A) |
Chapter 7 Special Conditions | 728.5(B) | The fire-resistive cable system shall be supported in accordance with the listing and the manufacturer's installation instructions. Informational Note: The supports are critical for survivability of the system. Each system has its specific support requirements. [728.5(B)](https://2023.antflix.net#728.5(B)) | https://2023.antflix.net#728.5(B) |
Chapter 7 Special Conditions | 728.5(C) | Where fire-resistive cable is listed to be installed in a raceway, the raceway enclosing the cable, any couplings, and any connectors shall be listed as part of the fire-resistive cable system. The raceway fill for each system shall comply with the listing requirements for the system and shall not be greater than the fill permitted in Chapter 9, Table 1. Informational Note: Raceway fill might not be the same for all listed fire-resistive cable systems. [728.5(C)](https://2023.antflix.net#728.5(C)) | https://2023.antflix.net#728.5(C) |
Chapter 7 Special Conditions | 728.5(D) | Cable trays used as part of a fire-resistive cable system shall be listed as part of the fire-resistive cable system. [728.5(D)](https://2023.antflix.net#728.5(D)) | https://2023.antflix.net#728.5(D) |
Chapter 7 Special Conditions | 728.5(E) | Boxes or enclosures used as part of a fire-resistive cable system shall be listed as part of the fire-resistive cable system and shall be secured to the building structure independently of the raceways or cables listed in the system. [728.5(E)](https://2023.antflix.net#728.5(E)) | https://2023.antflix.net#728.5(E) |
Chapter 7 Special Conditions | 728.5(F) | Fire-resistive cable installed in a raceway shall only use pulling lubricants listed as part of the fire-resistive cable system. [728.5(F)](https://2023.antflix.net#728.5(F)) | https://2023.antflix.net#728.5(F) |
Chapter 7 Special Conditions | 728.5(G) | Cables and conductors installed in vertical raceways shall be supported in accordance with the listing of the fire-resistive cable system and in accordance with 300.19. [728.5(G)](https://2023.antflix.net#728.5(G)) | https://2023.antflix.net#728.5(G) |
Chapter 7 Special Conditions | 728.5(H) | Only splices that are part of the listing for the fire-resistive cable system shall be used. Splices shall have manufacturer's installation instructions. [728.5(H)](https://2023.antflix.net#728.5(H)) | https://2023.antflix.net#728.5(H) |
Chapter 7 Special Conditions | 728.60 | Fire-resistive cables installed in a raceway requiring an equipment grounding conductor shall use the same fire-resistive cable described in the system unless alternative equipment grounding conductors are listed with the system. Any alternative equipment grounding conductors shall be marked with the system number. The system shall specify a permissible equipment grounding conductor. If not specified, the equipment grounding conductor shall be the same as the fire-resistive cable described in the system. [728.60](https://2023.antflix.net#728.60) | https://2023.antflix.net#728.60 |
Chapter 7 Special Conditions | 728.120 | In addition to the marking required in 310.8, system cables and conductors shall be surface marked with the suffix "FRR" (fire-resistive rating), along with the circuit integrity duration in hours, and with the system identifier. [728.120](https://2023.antflix.net#728.120) | https://2023.antflix.net#728.120 |
Chapter 7 Special Conditions | 750.1 | This article applies to the installation and operation of energy management systems. Informational Note: Performance provisions in other codes establish prescriptive requirements that may further restrict the requirements contained in this article. [750.1](https://2023.antflix.net#750.1) | https://2023.antflix.net#750.1 |
Chapter 7 Special Conditions | 750.6 | Energy management systems shall be one of the following: Listed as a complete energy management systemListed as a kit for field installation in switch or overcurrent device enclosuresListed individual components assembled as a system [750.6](https://2023.antflix.net#750.6) | https://2023.antflix.net#750.6 |
Chapter 7 Special Conditions | 750.20 | An energy management system shall not override any control necessary to ensure continuity of an alternate power source for the following: Fire pumpsHealth care facilitiesEmergency systemsLegally required standby systemsCritical operations power systems [750.20](https://2023.antflix.net#750.20) | https://2023.antflix.net#750.20 |
Chapter 7 Special Conditions | 750.30 | Energy management systems shall be permitted to monitor and control electrical loads and sources in accordance with 750.30(A) through (C). [750.30](https://2023.antflix.net#750.30) | https://2023.antflix.net#750.30 |
Chapter 7 Special Conditions | 750.30(A) | An energy management system shall not override the load shedding controls put in place to ensure the minimum electrical capacity for the following: Fire pumpsEmergency systemsLegally required standby systemsCritical operations power systems [750.30(A)](https://2023.antflix.net#750.30(A)) | https://2023.antflix.net#750.30(A) |
Chapter 7 Special Conditions | 750.30(B) | An energy management system shall not cause disconnection of power to the following: Elevators, escalators, moving walks, or stairway lift chairsPositive mechanical ventilation for hazardous (classified) locationsVentilation used to exhaust hazardous gas or reclassify an areaCircuits supplying emergency lightingEssential electrical systems in health care facilities [750.30(B)](https://2023.antflix.net#750.30(B)) | https://2023.antflix.net#750.30(B) |
Chapter 7 Special Conditions | 750.30(C) | An energy management system shall not cause a branch circuit, feeder, or service to be overloaded. If an EMS is used to limit the current on a conductor, 750.30(C)(1) through (C)(4) shall apply: [750.30(C)](https://2023.antflix.net#750.30(C)) | https://2023.antflix.net#750.30(C) |
Chapter 7 Special Conditions | 750.30(C)(1) | A single value equal to the maximum ampere setpoint of the EMS shall be permitted for one or more of the following: For calculating the connected load per 220.70For the maximum source current permitted by EMS control [750.30(C)(1)](https://2023.antflix.net#750.30(C)(1)) | https://2023.antflix.net#750.30(C)(1) |
Chapter 7 Special Conditions | 750.30(C)(2) | The EMS shall use monitoring and controls to automatically cease current flow upon malfunction of the EMS. [750.30(C)(2)](https://2023.antflix.net#750.30(C)(2)) | https://2023.antflix.net#750.30(C)(2) |
Chapter 7 Special Conditions | 750.30(C)(3) | Adjustable settings shall be permitted if access to the settings is accomplished by at least one of the following: Located behind removable and sealable covers over the adjustment meansLocated behind a cover or door that requires the use of a tool to openLocated behind locked doors accessible only to qualified personnelPassword protected with password accessible only to qualified personnelSoftware that has password protected access to the adjusting means accessible to qualified personnel only [750.30(C)(3)](https://2023.antflix.net#750.30(C)(3)) | https://2023.antflix.net#750.30(C)(3) |
Chapter 7 Special Conditions | 750.30(C)(4) | The equipment that supplies the branch circuit, feeder, or service shall be field marked with the following information: Maximum current settingDate of calculation and settingIdentification of loads and sources associated with the current limiting featureThe following or equivalent wording: "The setting for the EMS current limiting feature shall not be bypassed"The markings shall meet the requirements in 110.21(B) and shall be located such that they are clearly visible to qualified persons before examination, adjustment, servicing, or maintenance of the equipment. [750.30(C)(4)](https://2023.antflix.net#750.30(C)(4)) | https://2023.antflix.net#750.30(C)(4) |
Chapter 7 Special Conditions | 750.50 | Where an energy management system is employed to control electrical power through the use of a remote means, a directory identifying the controlled device(s) and circuit(s) shall be posted on the enclosure of the controller. disconnect, or branch-circuit overcurrent device. [750.50](https://2023.antflix.net#750.50) | https://2023.antflix.net#750.50 |
Chapter 7 Special Conditions | 760.1 | This article covers the installation of wiring and equipment of fire alarm systems, including all circuits controlled and powered by the fire alarm system. Informational Note No. 1: Fire alarm systems include fire detection and alarm notification, guard's tour, sprinkler waterflow, and sprinkler supervisory systems. Circuits controlled and powered by the fire alarm system include circuits for the control of building systems safety functions, elevator capture, elevator shutdown, door release, smoke doors and damper control, fire doors and damper control, and fan shutdown, but only where these circuits are powered by and controlled by the fire alarm system. Informational Note No. 2: See NFPA 72, National Fire Alarm and Signaling Code, for further information on the installation and monitoring for integrity requirements for fire alarm systems. [760.1](https://2023.antflix.net#760.1) | https://2023.antflix.net#760.1 |
Chapter 7 Special Conditions | 760.3 | Circuits and equipment shall comply with 760.3(A) through (O). Only those sections of Article 300 referenced in this article shall apply to fire alarm systems. [760.3](https://2023.antflix.net#760.3) | https://2023.antflix.net#760.3 |
Chapter 7 Special Conditions | 760.3(A) | Installation of fire alarm circuits shall comply with 300.21. [760.3(A)](https://2023.antflix.net#760.3(A)) | https://2023.antflix.net#760.3(A) |
Chapter 7 Special Conditions | 760.3(B) | Power-limited and non-power-limited fire alarm cables installed in ducts, plenums, or other spaces used for environmental air shall comply with 300.22. Exception No. 1: Power-limited fire alarm cables selected in accordance with Table 760.154 and installed in accordance with 722.135 and 300.22(B), Exception, shall be permitted to be installed in ducts specifically fabricated for environmental air. Exception No. 2: Power-limited fire alarm cables selected in accordance with Table 760.154 and installed in accordance with 722.135 shall be permitted to be installed in other spaces used for environmental air (plenums). [760.3(B)](https://2023.antflix.net#760.3(B)) | https://2023.antflix.net#760.3(B) |
Chapter 7 Special Conditions | 760.3(C) | Fire alarm circuits and equipment installed in corrosive, damp, or wet locations shall comply with 110.11, 300.5(B), 300.6, 300.9, and 310.10(F). [760.3(C)](https://2023.antflix.net#760.3(C)) | https://2023.antflix.net#760.3(C) |
Chapter 7 Special Conditions | 760.3(D) | Building control systems (e.g., elevator capture, fan shutdown) associated with the fire alarm system shall comply with Article 725. [760.3(D)](https://2023.antflix.net#760.3(D)) | https://2023.antflix.net#760.3(D) |
Chapter 7 Special Conditions | 760.3(E) | Where optical fiber cables are utilized for fire alarm circuits, the cables shall be installed in accordance with Article 770. [760.3(E)](https://2023.antflix.net#760.3(E)) | https://2023.antflix.net#760.3(E) |
Chapter 7 Special Conditions | 760.3(F) | Installations shall comply with 300.8. [760.3(F)](https://2023.antflix.net#760.3(F)) | https://2023.antflix.net#760.3(F) |
Chapter 7 Special Conditions | 760.3(G) | Installations shall comply with 300.7(A). [760.3(G)](https://2023.antflix.net#760.3(G)) | https://2023.antflix.net#760.3(G) |
Chapter 7 Special Conditions | 760.3(H) | Vertical installations of circuit integrity (CI) cables and conductors installed in a raceway or conductors and cables of fire-resistive cable systems shall be installed in accordance with 300.19. [760.3(H)](https://2023.antflix.net#760.3(H)) | https://2023.antflix.net#760.3(H) |
Chapter 7 Special Conditions | 760.3(I) | The number and size of cables and conductors shall comply with 300.17. [760.3(I)](https://2023.antflix.net#760.3(I)) | https://2023.antflix.net#760.3(I) |
Chapter 7 Special Conditions | 760.3(J) | A bushing shall be installed where cables emerge from raceway used for mechanical support or protection in accordance with 300.15(C). [760.3(J)](https://2023.antflix.net#760.3(J)) | https://2023.antflix.net#760.3(J) |
Chapter 7 Special Conditions | 760.3(K) | Power-limited fire alarm cables shall be permitted to be installed in plenum cable routing assemblies, riser cable routing assemblies, and general-purpose cable routing assemblies selected in accordance with Table 800.154(c), listed in accordance with 800.182, and installed in accordance with 800.110(C) and 800.113. [760.3(K)](https://2023.antflix.net#760.3(K)) | https://2023.antflix.net#760.3(K) |
Chapter 7 Special Conditions | 760.3(L) | Power-limited fire alarm cables shall be permitted to be installed in plenum communications raceways, riser communications raceways, and general-purpose communications raceways selected in accordance with Table 800.154(b), listed in accordance with 800.182, and installed in accordance with 800.113 and 362.24 through 362.56, where the requirements applicable to electrical nonmetallic tubing apply. [760.3(L)](https://2023.antflix.net#760.3(L)) | https://2023.antflix.net#760.3(L) |
Chapter 7 Special Conditions | 760.3(M) | The requirements of 310.14(A)(3) on the temperature limitation of conductors shall apply to power-limited fire alarm cables and non—power-limited fire alarms cables. [760.3(M)](https://2023.antflix.net#760.3(M)) | https://2023.antflix.net#760.3(M) |
Chapter 7 Special Conditions | 760.3(N) | Equipment grounding conductors shall be identified in accordance with 250.119. Exception: Conductors with green insulation shall be permitted to be used as ungrounded signal conductors for Types FPLP, FPLR, FPL, and substitute cables installed in accordance with 760.154(A). [760.3(N)](https://2023.antflix.net#760.3(N)) | https://2023.antflix.net#760.3(N) |
Chapter 7 Special Conditions | 760.3(O) | The listing and installation of cables for power-limited fire alarm circuits shall comply with Part III of this article and Parts I and II of Article 722. [760.3(O)](https://2023.antflix.net#760.3(O)) | https://2023.antflix.net#760.3(O) |
Chapter 7 Special Conditions | 760.10 | Cables and equipment shall be permitted to be used in hazardous (classified) locations where specifically permitted by other articles in this Code. [760.10](https://2023.antflix.net#760.10) | https://2023.antflix.net#760.10 |
Chapter 7 Special Conditions | 760.21 | Access to electrical equipment shall not be denied by an accumulation of conductors and cables that prevents removal of panels, including suspended ceiling panels. [760.21](https://2023.antflix.net#760.21) | https://2023.antflix.net#760.21 |
Chapter 7 Special Conditions | 760.24(A) | Fire alarm circuits shall be installed in a neat and workmanlike manner. Cables and conductors installed exposed on the surface of ceilings and sidewalls shall be supported by the building structure in such a manner that the cable will not be damaged by normal building use. Such cables shall be supported by hardware, including straps, staples, hangers, listed cable ties identified for securement and support, or similar fittings designed and installed so as not to damage the cable. The installation shall also comply with 300.4 and 300.11. Informational Note: Paint, plaster, cleaners, abrasives, corrosive residues, or other contaminants might result in an undetermined alteration of PLFA and NPLFA cable properties. [760.24(A)](https://2023.antflix.net#760.24(A)) | https://2023.antflix.net#760.24(A) |
Chapter 7 Special Conditions | 760.24(B) | Circuit integrity (CI) cables shall be supported at a distance not exceeding 610 mm (24 in.). Where located within 2.1 m (7 ft) of the floor in accordance with 760.53(A)(1) and 760.130(B)(1), as applicable, the cable shall be fastened in an approved manner at intervals of not more than 450 mm (18 in.). Cable supports and fasteners shall be steel. [760.24(B)](https://2023.antflix.net#760.24(B)) | https://2023.antflix.net#760.24(B) |
Chapter 7 Special Conditions | 760.25 | The accessible portion of abandoned fire alarm cables shall be removed. Where cables are identified for future use with a tag, the tag shall be of sufficient durability to withstand the environment involved. [760.25](https://2023.antflix.net#760.25) | https://2023.antflix.net#760.25 |
Chapter 7 Special Conditions | 760.30 | Fire alarm circuits shall be identified at terminal and junction locations in a manner that helps to prevent unintentional signals on fire alarm system circuit(s) during testing and servicing of other systems. [760.30](https://2023.antflix.net#760.30) | https://2023.antflix.net#760.30 |
Chapter 7 Special Conditions | 760.32 | Non-power-limited fire alarm circuits and power-limited fire alarm circuits that extend beyond one building and run outdoors shall meet the installation requirements of Parts II, III, and IV of Article 805 and shall meet the installation requirements of Part I of Article 300. [760.32](https://2023.antflix.net#760.32) | https://2023.antflix.net#760.32 |
Chapter 7 Special Conditions | 760.33 | A listed surge-protective device (SPD) shall be installed on the supply side of a fire alarm control panel in accordance with Part II of Article 242. [760.33](https://2023.antflix.net#760.33) | https://2023.antflix.net#760.33 |
Chapter 7 Special Conditions | 760.35 | Fire alarm circuits shall comply with 760.35(A) and (B). [760.35](https://2023.antflix.net#760.35) | https://2023.antflix.net#760.35 |
Chapter 7 Special Conditions | 760.35(A) | See Parts I and II. [760.35(A)](https://2023.antflix.net#760.35(A)) | https://2023.antflix.net#760.35(A) |
Chapter 7 Special Conditions | 760.35(B) | See Parts I and III. [760.35(B)](https://2023.antflix.net#760.35(B)) | https://2023.antflix.net#760.35(B) |
Chapter 7 Special Conditions | 760.41(A) | The power source of non—power-limited fire alarm circuits shall comply with Chapters 1 through 4, and the output voltage shall be not more than 600 volts, nominal. The fire alarm circuit disconnect shall be permitted to be secured in the "on" position. [760.41(A)](https://2023.antflix.net#760.41(A)) | https://2023.antflix.net#760.41(A) |
Chapter 7 Special Conditions | 760.41(B) | The branch circuit supplying the fire alarm equipment(s) shall supply no other loads. The location of the branch-circuit overcurrent protective device shall be permanently identified at the fire alarm control unit. The circuit disconnecting means shall have red identification, shall be accessible only to qualified personnel, and shall be identified as "FIRE ALARM CIRCUIT." The red identification shall not damage the overcurrent protective devices or obscure the manufacturer's markings. This branch circuit shall not be supplied through ground-fault circuit interrupters or arc-fault circuit-interrupters. [760.41(B)](https://2023.antflix.net#760.41(B)) | https://2023.antflix.net#760.41(B) |
Chapter 7 Special Conditions | 760.43 | Overcurrent protection for conductors 14 AWG and larger shall be provided in accordance with the conductor ampacity without applying the ampacity adjustment and correction factors of 310.14 to the ampacity calculation. Overcurrent protection shall not exceed 7 amperes for 18 AWG conductors and 10 amperes for 16 AWG conductors. Exception: Where other articles of this Code permit or require other overcurrent protection. [760.43](https://2023.antflix.net#760.43) | https://2023.antflix.net#760.43 |
Chapter 7 Special Conditions | 760.45 | Overcurrent devices shall be located at the point where the conductor to be protected receives its supply. Exception No. 1: Where the overcurrent device protecting the larger conductor also protects the smaller conductor. Exception No. 2: Transformer secondary conductors. Non-power-limited fire alarm circuit conductors supplied by the secondary of a single-phase transformer that has only a 2-wire (single-voltage) secondary shall be permitted to be protected by overcurrent protection provided by the primary (supply) side of the transformer, provided the protection is in accordance with 450.3 and does not exceed the value determined by multiplying the secondary conductor ampacity by the secondary-to-primary transformer voltage ratio. Transformer secondary conductors other than 2-wire shall not be considered to be protected by the primary overcurrent protection. Exception No. 3: Electronic power source output conductors. Non—power-limited circuit conductors supplied by the output of a single-phase, listed electronic power source, other than a transformer, having only a 2-wire (single-voltage) output for connection to non—power-limited circuits shall be permitted to be protected by overcurrent protection provided on the input side of the electronic power source, provided this protection does not exceed the value determined by multiplying the non—power-limited circuit conductor ampacity by the output-to-input voltage ratio. Electronic power source outputs, other than 2-wire (single voltage), connected to non—power-limited circuits shall not be considered to be protected by overcurrent protection on the input of the electronic power source. Informational Note: A single-phase, listed electronic power supply whose output supplies a 2-wire (single-voltage) circuit is an example of a non—power-limited power source that meets the requirements of 760.41. [760.45](https://2023.antflix.net#760.45) | https://2023.antflix.net#760.45 |
Chapter 7 Special Conditions | 760.46 | Installation of non—power-limited fire alarm circuits shall be in accordance with 110.3(B), 300.7, 300.11, 300.15, 300.17, 300.19(B), and other appropriate articles of Chapter 3. Exception No. 1: As provided in 760.48 through 760.53. Exception No. 2: Where other articles of this Code require other methods. [760.46](https://2023.antflix.net#760.46) | https://2023.antflix.net#760.46 |
Chapter 7 Special Conditions | 760.48(A) | Class 1 and non—power-limited fire alarm circuits shall be permitted to occupy the same cable, enclosure, or raceway without regard to whether the individual circuits are alternating current or direct current, provided all conductors are insulated for the maximum voltage of any conductor in the enclosure or raceway. [760.48(A)](https://2023.antflix.net#760.48(A)) | https://2023.antflix.net#760.48(A) |
Chapter 7 Special Conditions | 760.48(B) | Power-supply and fire alarm circuit conductors shall be permitted in the same cable, enclosure, or raceway only where connected to the same equipment. [760.48(B)](https://2023.antflix.net#760.48(B)) | https://2023.antflix.net#760.48(B) |
Chapter 7 Special Conditions | 760.49(A) | Only copper conductors shall be permitted to be used for fire alarm systems. Size 18 AWG and 16 AWG conductors shall be permitted to be used, provided they supply loads that do not exceed the ampacities given in Table 402.5 and are installed in a raceway, an approved enclosure, or a listed cable. Conductors larger than 16 AWG shall not supply loads greater than the ampacities given in 310.14, as applicable. [760.49(A)](https://2023.antflix.net#760.49(A)) | https://2023.antflix.net#760.49(A) |
Chapter 7 Special Conditions | 760.49(B) | Insulation on conductors shall be rated for the system voltage and not less than 600 volts. Conductors larger than 16 AWG shall comply with Article 310. Conductors 18 AWG and 16 AWG shall be Type KF-2, KFF-2, PAFF, PTFF, PF, PFF, PGF, PGFF, RFH-2, RFHH-2, RFHH-3, SF-2, SFF-2, TF, TFF, TFN, TFFN, ZF, or ZFF. Conductors with other types and thickness of insulation shall be permitted if listed for non—power-limited fire alarm circuit use. Informational Note: See Table 402.3 for application provisions. [760.49(B)](https://2023.antflix.net#760.49(B)) | https://2023.antflix.net#760.49(B) |
Chapter 7 Special Conditions | 760.49(C) | Conductors shall be solid or stranded copper. Exception to (B) and (C): Wire Types PAF and PTF shall be permitted only for high-temperature applications between 90°C (194°F) and 250°C (482°F). [760.49(C)](https://2023.antflix.net#760.49(C)) | https://2023.antflix.net#760.49(C) |
Chapter 7 Special Conditions | 760.51(A) | Where only non-power-limited fire alarm circuit and Class 1 circuit conductors are in a raceway, the number of conductors shall be determined in accordance with 300.17. The ampacity adjustment factors given in 310.15(C)(1) shall apply if such conductors carry continuous load in excess of 10 percent of the ampacity of each conductor. [760.51(A)](https://2023.antflix.net#760.51(A)) | https://2023.antflix.net#760.51(A) |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.