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Chapter 7 Special Conditions | 760.51(B) | Where power-supply conductors and non—power-limited fire alarm circuit conductors are permitted in a raceway in accordance with 760.48, the number of conductors shall be determined in accordance with 300.17. The ampacity adjustment factors given in 310.15(C)(1) shall apply as follows: To all conductors where the fire a... | https://2023.antflix.net#760.51(B) |
Chapter 7 Special Conditions | 760.51(C) | Where fire alarm circuit conductors are installed in cable trays, they shall comply with 392.22 and 392.80(A). [760.51(C)](https://2023.antflix.net#760.51(C)) | https://2023.antflix.net#760.51(C) |
Chapter 7 Special Conditions | 760.53 | Multiconductor non-power-limited fire alarm cables that meet the requirements of 760.176 shall be permitted to be used on fire alarm circuits operating at 150 volts or less and shall be installed in accordance with 760.53(A) and (B). [760.53](https://2023.antflix.net#760.53) | https://2023.antflix.net#760.53 |
Chapter 7 Special Conditions | 760.53(A) | Multiconductor non-power-limited fire alarm circuit cables shall be installed in accordance with 760.53(A)(1), (A)(2), and (A)(3). [760.53(A)](https://2023.antflix.net#760.53(A)) | https://2023.antflix.net#760.53(A) |
Chapter 7 Special Conditions | 760.53(A)(1) | Cable splices or terminations shall be made in listed fittings, boxes, enclosures, fire alarm devices, or utilization equipment. Where installed exposed, cables shall be adequately supported and installed in such a way that maximum protection against physical damage is afforded by building construction such as baseboar... | https://2023.antflix.net#760.53(A)(1) |
Chapter 7 Special Conditions | 760.53(A)(2) | Cables shall be installed in metal raceway or rigid nonmetallic conduit where passing through a floor or wall to a height of 2.1 m (7 ft) above the floor, unless adequate protection can be afforded by building construction such as detailed in 760.53(A)(1), or unless an equivalent solid guard is provided. [760.53(A)(2)]... | https://2023.antflix.net#760.53(A)(2) |
Chapter 7 Special Conditions | 760.53(A)(3) | Cables shall be installed in rigid metal conduit, rigid nonmetallic conduit, intermediate metal conduit, liquidtight flexible nonmetallic conduit, or electrical metallic tubing where installed in hoistways. Exception: As provided for in 620.21 for elevators and similar equipment. [760.53(A)(3)](https://2023.antflix.net... | https://2023.antflix.net#760.53(A)(3) |
Chapter 7 Special Conditions | 760.53(B) | The use of non-power-limited fire alarm circuit cables shall comply with 760.53(B)(1) through (B)(4). [760.53(B)](https://2023.antflix.net#760.53(B)) | https://2023.antflix.net#760.53(B) |
Chapter 7 Special Conditions | 760.53(B)(1) | Multiconductor non—power-limited fire alarm circuit cables, Types NPLFP, NPLFR, and NPLF, shall not be installed exposed in ducts specifically fabricated for environmental air. Informational Note: See 300.22(B). [760.53(B)(1)](https://2023.antflix.net#760.53(B)(1)) | https://2023.antflix.net#760.53(B)(1) |
Chapter 7 Special Conditions | 760.53(B)(2) | Cables installed in other spaces used for environmental air shall be Type NPLFP. Exception No. 1: Types NPLFR and NPLF cables installed in compliance with 300.22( C). Exception No. 2: Other wiring methods in accordance with 300.22(C) and conductors in compliance with 760.49(C). Exception No. 3: Type NPLFP-CI cable shal... | https://2023.antflix.net#760.53(B)(2) |
Chapter 7 Special Conditions | 760.53(B)(3) | Cables installed in vertical runs and penetrating one or more floors, or cables installed in vertical runs in a shaft, shall be Type NPLFR. Floor penetrations requiring Type NPLFR shall contain only cables suitable for riser or plenum use. Exception No. 1: Type NPLF or other cables that are specified in Chapter 3 and a... | https://2023.antflix.net#760.53(B)(3) |
Chapter 7 Special Conditions | 760.53(B)(4) | Cables installed in building locations other than the locations covered in 760.53(B)(1), (B)(2), and (B)(3) shall be Type NPLF. Exception No. 1: Chapter 3 wiring methods with conductors in compliance with 760.49(C). Exception No. 2: Type NPLFP or Type NPLFR cables shall be permitted. Exception No. 3: Type NPLFR-CI cabl... | https://2023.antflix.net#760.53(B)(4) |
Chapter 7 Special Conditions | 760.121(A) | The power source for a power-limited fire alarm circuit shall be as specified in the following: Informational Note No. 1: See Chapter 9, Tables 12(A) and 12(B), for the listing requirements for power-limited fire alarm circuit sources.A listed PLFA or Class 3 transformerA listed PLFA or Class 3 power supplyListed equip... | https://2023.antflix.net#760.121(A) |
Chapter 7 Special Conditions | 760.121(B) | The branch circuit supplying the fire alarm equipment(s) shall comply with the following requirements: The branch circuit shall supply no other loads.The branch circuit shall not be supplied through ground-fault circuit interrupters or arc-fault circuit interrupters.The location of the branch-circuit overcurrent protec... | https://2023.antflix.net#760.121(B) |
Chapter 7 Special Conditions | 760.124 | The equipment supplying PLFA circuits shall be durably marked where plainly visible to indicate each circuit that is a power-limited fire alarm circuit. [760.124](https://2023.antflix.net#760.124) | https://2023.antflix.net#760.124 |
Chapter 7 Special Conditions | 760.127 | Conductors and equipment on the supply side of the power source shall be installed in accordance with the appropriate requirements of Part II and Chapters 1 through 4. Transformers or other devices supplied from power-supply conductors shall be protected by an overcurrent device rated not over 20 amperes. Exception: Th... | https://2023.antflix.net#760.127 |
Chapter 7 Special Conditions | 760.130 | Fire alarm circuits on the load side of the power source shall be permitted to be installed using wiring methods and materials in accordance with 760.130(A), (B), or a combination of both. Parts I and II of Article 722 shall apply. [760.130](https://2023.antflix.net#760.130) | https://2023.antflix.net#760.130 |
Chapter 7 Special Conditions | 760.130(A) | NPLFA wiring methods shall be permitted when used in accordance with 760.46, 760.49, or 760.53 for PLFA circuits. Conductors shall be solid or stranded copper. Separation from electric light, power, Class 1, non—power-limited fire alarm circuit conductors, and medium-power network-powered broadband communications cable... | https://2023.antflix.net#760.130(A) |
Chapter 7 Special Conditions | 760.130(B) | Power-limited fire alarm conductors and cables described in 722.179 shall be installed as detailed in 722.135 and 760.130(B)(1) through (B)(4). Devices shall be installed in accordance with 110.3(B), 300.1 1(A), and 300.15. [760.130(B)](https://2023.antflix.net#760.130(B)) | https://2023.antflix.net#760.130(B) |
Chapter 7 Special Conditions | 760.130(B)(1) | Cable splices or terminations shall be made in listed fittings, boxes, enclosures, fire alarm devices, or utilization equipment. Where installed exposed, cables shall be adequately supported and installed such that maximum protection against physical damage is afforded by building construction such as baseboards, door ... | https://2023.antflix.net#760.130(B)(1) |
Chapter 7 Special Conditions | 760.130(B)(2) | Cables shall be installed in metal raceways or rigid nonmetallic conduit where passing through a floor or wall to a height of 2.1 m (7 ft) above the floor, unless adequate protection can be afforded by building construction such as detailed in 760.130(B)(1) or unless an equivalent solid guard is provided. [760.130(B)(2... | https://2023.antflix.net#760.130(B)(2) |
Chapter 7 Special Conditions | 760.130(B)(3) | Cables specified in Chapter 3 and meeting the requirements of 722.179(A)(15)(a) and (A)(15) (b) shall be permitted to be installed in nonconcealed spaces where the exposed length of cable does not exceed 3 m (10 ft). [760.130(B)(3)](https://2023.antflix.net#760.130(B)(3)) | https://2023.antflix.net#760.130(B)(3) |
Chapter 7 Special Conditions | 760.130(B)(4) | A portable fire alarm system provided to protect a stage or set when not in use shall be permitted to use wiring methods in accordance with 530.12. [760.130(B)(4)](https://2023.antflix.net#760.130(B)(4)) | https://2023.antflix.net#760.130(B)(4) |
Chapter 7 Special Conditions | 760.133 | Conductors and equipment for power-limited fire alarm circuits shall be installed in accordance with Parts I and II of Article 722 and 760.136 through 760.143. [760.133](https://2023.antflix.net#760.133) | https://2023.antflix.net#760.133 |
Chapter 7 Special Conditions | 760.136(A) | Power-limited fire alarm circuit cables and conductors 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 circuits, and medium-power network-powered broadband c... | https://2023.antflix.net#760.136(A) |
Chapter 7 Special Conditions | 760.136(B) | Power-limited fire alarm circuit cables shall be permitted to be installed together with Class 1, non—power-limited fire alarm, and medium-power network-powered broadband communications circuits where they are separated by a barrier. [760.136(B)](https://2023.antflix.net#760.136(B)) | https://2023.antflix.net#760.136(B) |
Chapter 7 Special Conditions | 760.136(C) | In enclosures, power-limited fire alarm circuits shall be permitted to be installed in a raceway within the enclosure to separate them from Class 1, non—power-limited fire alarm, and medium-power network-powered broadband communications circuits. [760.136(C)](https://2023.antflix.net#760.136(C)) | https://2023.antflix.net#760.136(C) |
Chapter 7 Special Conditions | 760.136(D) | Power-limited fire alarm 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 co... | https://2023.antflix.net#760.136(D) |
Chapter 7 Special Conditions | 760.136(E) | Power-limited fire alarm circuit conductors entering 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 introduce... | https://2023.antflix.net#760.136(E) |
Chapter 7 Special Conditions | 760.136(F) | In hoistways, power-limited fire alarm circuit conductors shall be installed in rigid metal conduit, rigid nonmetallic conduit, intermediate metal conduit, liquidtight flexible nonmetallic conduit, or electrical metallic tubing. For elevators or similar equipment, these conductors shall be permitted to be installed as ... | https://2023.antflix.net#760.136(F) |
Chapter 7 Special Conditions | 760.136(G) | PLFA 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 installed using NPFLA wiring methods and materials in accordance with Part II of Article 760 an... | https://2023.antflix.net#760.136(G) |
Chapter 7 Special Conditions | 760.136(H) | For other applications, power-limited fire alarm circuit conductors 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 (a... | https://2023.antflix.net#760.136(H) |
Chapter 7 Special Conditions | 760.139(A) | (Cable and conductors of two or more power-limited fire alarm circuits shall be permitted within the same cable, enclosure, cable tray, raceway, or cable routing assembly. [760.139(A)](https://2023.antflix.net#760.139(A)) | https://2023.antflix.net#760.139(A) |
Chapter 7 Special Conditions | 760.139(B) | Conductors of one or more Class 2 circuits shall be permitted within the same cable, enclosure, cable tray, raceway, or cable routing assembly with conductors of power-limited fire alarm circuits if the insulation of the Class 2 circuit conductors in the cable, enclosure, raceway, or cable routing assembly is at least ... | https://2023.antflix.net#760.139(B) |
Chapter 7 Special Conditions | 760.139(C) | Cable and conductors of Class 3 and communications circuits shall be permitted within the same cable, enclosure, cable tray, raceway, or cable routing assembly with cables and conductors of power-limited fire alarm circuits. [760.139(C)](https://2023.antflix.net#760.139(C)) | https://2023.antflix.net#760.139(C) |
Chapter 7 Special Conditions | 760.139(D) | Low-power network-powered broadband communications circuits shall be permitted in the same enclosure, cable tray, raceway, or cable routing assembly with PLFA cables. [760.139(D)](https://2023.antflix.net#760.139(D)) | https://2023.antflix.net#760.139(D) |
Chapter 7 Special Conditions | 760.139(E) | 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, cable tray, raceway, or cable routing assembly with power-limited conductors or cables. [760.139(E)](https://2023.antflix.net#760.139(E)) | https://2023.antflix.net#760.139(E) |
Chapter 7 Special Conditions | 760.142 | Conductors of 26 AWG shall be permitted only where spliced with a connector listed as suitable for 26 AWG to 24 AWG or larger conductors that are terminated on equipment or where the 26 AWG conductors are terminated on equipment listed as suitable for 26 AWG conductors. Single conductors shall not be smaller than 18 AW... | https://2023.antflix.net#760.142 |
Chapter 7 Special Conditions | 760.143 | Power-limited fire alarm circuit conductors shall not be strapped, taped, or attached by any means to the exterior of any conduit or other raceway as a means of support. [760.143](https://2023.antflix.net#760.143) | https://2023.antflix.net#760.143 |
Chapter 7 Special Conditions | 760.145(A) | Listed continuous line-type fire detectors, including insulated copper tubing of pneumatically operated detectors, employed for both detection and carrying signaling currents shall be permitted to be used in power-limited circuits. [760.145(A)](https://2023.antflix.net#760.145(A)) | https://2023.antflix.net#760.145(A) |
Chapter 7 Special Conditions | 760.145(B) | Continuous line-type fire detectors shall be installed in accordance with 760.124 through 760.130 and 760.133. [760.145(B)](https://2023.antflix.net#760.145(B)) | https://2023.antflix.net#760.145(B) |
Chapter 7 Special Conditions | 760.154 | PLFA cables shall comply with the requirements described in Table 760.154 or where cable substitutions are made as shown in 760.154(A). Where substitute cables are installed, the wiring requirements of Article 760, Parts 1 and III, shall apply. Types FPLP-CI, FPLR-CI, and FPL-CI cables shall be permitted to be installe... | https://2023.antflix.net#760.154 |
Chapter 7 Special Conditions | 760.154(A) | The substitutions for fire alarm cables listed in Table 760.154(A) and illustrated in Figure 760.154(A) shall be permitted. Where substitute cables are installed, the wiring requirements of Article 760, Parts I and III, shall apply. Informational Note: See 800.179 for information on communications cables (CMP, CMR, CMG... | https://2023.antflix.net#760.154(A) |
Chapter 7 Special Conditions | 760.176 | Non-power-limited fire alarm cables installed as wiring within buildings shall be listed in accordance with 760.176(A) and (B), be listed as resistant to the spread of fire in accordance with 760.176(C) through (F), and be marked in accordance with 760.176(G). Cable used in a wet location shall be listed for use in wet... | https://2023.antflix.net#760.176 |
Chapter 7 Special Conditions | 760.176(A) | Conductors shall be 18 AWG or larger solid or stranded copper. [760.176(A)](https://2023.antflix.net#760.176(A)) | https://2023.antflix.net#760.176(A) |
Chapter 7 Special Conditions | 760.176(B) | Insulation on conductors shall be rated for the system voltage and not less than 600 V. Insulated conductors 14 AWG and larger shall be one of the types listed in Table 310.4(1) or one that is identified for such use. Insulated conductors 18 AWG and 16 AWG shall be in accordance with 760.49. [760.176(B)](https://2023.a... | https://2023.antflix.net#760.176(B) |
Chapter 7 Special Conditions | 760.176(C) | Type NPLFP non—power-limited fire alarm cable for use in other space used for environmental air shall be listed as being suitable for use in other space used for environmental air as described in 300.22(C) and shall also be listed as having adequate fire-resistant and low smoke-producing characteristics. Informational ... | https://2023.antflix.net#760.176(C) |
Chapter 7 Special Conditions | 760.176(D) | Type NPLFR non—power-limited fire alarm riser cable shall be listed as being suitable for use in a vertical run in a shaft or from floor to floor and shall also be listed as having fire-resistant characteristics capable of preventing the carrying of fire from floor to floor. Informational Note: See UL 1666, Test for Fl... | https://2023.antflix.net#760.176(D) |
Chapter 7 Special Conditions | 760.176(E) | Type NPLF non—power-limited fire alarm cable shall be listed as being suitable for general-purpose fire alarm use, with the exception of use in risers, ducts, plenums, and other space used for environmental air, and shall also be listed as being resistant to the spread of fire. Informational Note: See UL 2556, Wire and... | https://2023.antflix.net#760.176(E) |
Chapter 7 Special Conditions | 760.176(F) | Cables that are used for survivability of critical circuits under fire conditions shall be listed and meet the requirements of 760.176(F)(1), (F)(2), or (F)(3). Informational Note: See NFPA 72, National Fire Alarm and Signaling Code, 12.4.3 and 12.4.4, for additional information on circuit integrity (CI) cable, fire-re... | https://2023.antflix.net#760.176(F) |
Chapter 7 Special Conditions | 760.176(F)(1) | Circuit integrity (CI) cables specified in 760.176(C), (D), and (E) and used for survivability of critical circuits shall be marked for an additional classification using the suffix "-CI." In order to maintain its listed fire-resistive rating, CI cables shall only be installed in free air in accordance with 760.24(B). ... | https://2023.antflix.net#760.176(F)(1) |
Chapter 7 Special Conditions | 760.176(F)(2) | Cables specified in 760.176(C), (D), (E), and (F)(1) that are part of a fire-resistive cable system shall be identified with the system identifier and hourly rating marked on the protectant or the smallest unit container and installed in accordance with the listing of the system. Informational Note: See UL 2196, Fire T... | https://2023.antflix.net#760.176(F)(2) |
Chapter 7 Special Conditions | 760.176(F)(3) | Protectants for cables specified in 760.176(C), (D), and (E) that are part of an electrical circuit protective system shall be identified with the protective system identifier and hourly rating marked on the protectant or the smallest unit container and installed in accordance with the listing of the protective system.... | https://2023.antflix.net#760.176(F)(3) |
Chapter 7 Special Conditions | 760.176(G) | Multiconductor non—power-limited fire alarm cables shall be marked in accordance with Table 760.176(G). Non—power-limited fire alarm circuit cables shall be permitted to be marked with a maximum usage voltage rating of 150 volts. Cables that are listed for circuit integrity shall be identified with the suffix "-CI" as ... | https://2023.antflix.net#760.176(G) |
Chapter 7 Special Conditions | 760.179 | Insulated continuous line-type fire detectors shall be listed in accordance with 760.179(A) through (D). Cable used in a wet location shall be listed for use in wet locations or have a moisture-impervious metal sheath. [760.179](https://2023.antflix.net#760.179) | https://2023.antflix.net#760.179 |
Chapter 7 Special Conditions | 760.179(A) | The cable shall be listed as being resistant to the spread of fire in accordance with 722.179(A)(1), (A)(2), and (A)(3). [760.179(A)](https://2023.antflix.net#760.179(A)) | https://2023.antflix.net#760.179(A) |
Chapter 7 Special Conditions | 760.179(B) | The cable shall have a voltage rating of not less than 300 volts. The cable shall have a temperature rating of not less than 60°C (140°F). [760.179(B)](https://2023.antflix.net#760.179(B)) | https://2023.antflix.net#760.179(B) |
Chapter 7 Special Conditions | 760.179(C) | The cable shall be marked as fire resistance Type FPLP, Type FPLR, or Type FPL in accordance with 722.179(B). The voltage rating shall not be marked on the cable. The temperature rating shall be marked on the jacket of cables that have a temperature rating exceeding 60°C (140°F). The jacket of PLFA cables shall be mark... | https://2023.antflix.net#760.179(C) |
Chapter 7 Special Conditions | 760.179(D) | The cable jacket compound shall have a high degree of abrasion resistance. [760.179(D)](https://2023.antflix.net#760.179(D)) | https://2023.antflix.net#760.179(D) |
Chapter 7 Special Conditions | 770.1 | This article covers the installation of optical fiber cables. This article does not cover the construction of optical fiber cables. [770.1](https://2023.antflix.net#770.1) | https://2023.antflix.net#770.1 |
Chapter 7 Special Conditions | 770.3 | Installations of optical fiber cables shall comply with 770.3(A) through (D). Only those sections of Chapter 2 and Article 300 referenced in this article shall apply to optical fiber cables. [770.3](https://2023.antflix.net#770.3) | https://2023.antflix.net#770.3 |
Chapter 7 Special Conditions | 770.3(A) | Listed optical fiber cables shall be permitted to be installed in hazardous (classified) locations. The cables shall be sealed in accordance with 501.15, 502.15, 505.16, or 506.16, as applicable. [770.3(A)](https://2023.antflix.net#770.3(A)) | https://2023.antflix.net#770.3(A) |
Chapter 7 Special Conditions | 770.3(B) | The requirements of 300.22(A) for wiring systems shall apply to conductive optical fiber cables. [770.3(B)](https://2023.antflix.net#770.3(B)) | https://2023.antflix.net#770.3(B) |
Chapter 7 Special Conditions | 770.3(C) | Hybrid optical fiber cables shall be classified as electrical cables in accordance with the type of electrical conductors. They shall be constructed, listed, and marked in accordance with the appropriate article for each type of electrical cable. [770.3(C)](https://2023.antflix.net#770.3(C)) | https://2023.antflix.net#770.3(C) |
Chapter 7 Special Conditions | 770.3(D) | Vertical installations of circuit integrity (CI) cables installed in a raceway or cables of fire-resistive cable systems shall be installed in accordance with their listing. [770.3(D)](https://2023.antflix.net#770.3(D)) | https://2023.antflix.net#770.3(D) |
Chapter 7 Special Conditions | 770.21 | Access to electrical equipment shall not be denied by an accumulation of optical fiber cables that prevents removal of panels, including suspended ceiling panels. [770.21](https://2023.antflix.net#770.21) | https://2023.antflix.net#770.21 |
Chapter 7 Special Conditions | 770.24(A) | Optical fiber cables shall be installed in a neat and workmanlike manner. Cables 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 secured by hardware, including straps;... | https://2023.antflix.net#770.24(A) |
Chapter 7 Special Conditions | 770.24(B) | Circuit integrity (CI) cable shall be supported at a distance not exceeding 610 mm (24 in.). Cable shall be secured to the noncombustible surface of the building structure. Cable supports and fasteners shall be steel. [770.24(B)](https://2023.antflix.net#770.24(B)) | https://2023.antflix.net#770.24(B) |
Chapter 7 Special Conditions | 770.25 | The accessible portion of abandoned optical fiber 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. [770.25](https://2023.antflix.net#770.25) | https://2023.antflix.net#770.25 |
Chapter 7 Special Conditions | 770.26 | Installations of optical fiber cables and communications raceways in hollow spaces, vertical shafts, and ventilation or air-handling ducts shall be made so that the possible spread of fire or products of combustion will not be substantially increased. Openings around penetrations of optical fiber cables and communicati... | https://2023.antflix.net#770.26 |
Chapter 7 Special Conditions | 770.27 | Optical fiber cable shall not be used in such a manner that its operating temperature exceeds that of its rating. [770.27](https://2023.antflix.net#770.27) | https://2023.antflix.net#770.27 |
Chapter 7 Special Conditions | 770.44 | Overhead optical fiber cables containing a non-current-carrying metallic member entering buildings shall comply with 800.44(A) and (B). [770.44](https://2023.antflix.net#770.44) | https://2023.antflix.net#770.44 |
Chapter 7 Special Conditions | 770.44(A) | Where outside plant optical fiber cables and electric light or power conductors are supported by the same pole or are run parallel to each other in-span, the conditions described in 770.44(A)(1) through (A)(4) shall be met. [770.44(A)](https://2023.antflix.net#770.44(A)) | https://2023.antflix.net#770.44(A) |
Chapter 7 Special Conditions | 770.44(A)(1) | Where practicable, the outside plant optical fiber cables shall be located below the electric light or power conductors. [770.44(A)(1)](https://2023.antflix.net#770.44(A)(1)) | https://2023.antflix.net#770.44(A)(1) |
Chapter 7 Special Conditions | 770.44(A)(2) | Attachment of outside plant optical fiber cables to a cross-arm that carries electric light or power conductors shall not be permitted. [770.44(A)(2)](https://2023.antflix.net#770.44(A)(2)) | https://2023.antflix.net#770.44(A)(2) |
Chapter 7 Special Conditions | 770.44(A)(3) | The climbing space through outside plant optical fiber cables shall comply with the requirements of 225.14(B). [770.44(A)(3)](https://2023.antflix.net#770.44(A)(3)) | https://2023.antflix.net#770.44(A)(3) |
Chapter 7 Special Conditions | 770.44(A)(4) | Supply service drops and sets of overhead service conductors of 0 to 750 volts running above and parallel to optical fiber cable service drops shall have a minimum separation of 300 mm (12 in.) at any point in the span, including the point of their attachment to the building. Clearance of not less than 1.0 m (40 in.) s... | https://2023.antflix.net#770.44(A)(4) |
Chapter 7 Special Conditions | 770.44(B) | Outside plant optical fiber cables shall have a vertical clearance of not less than 2.5 m (8 ft) from all points of roofs above which they pass. Exception No. 1: The requirement of 770.44(B) shall not apply to auxiliary buildings such as garages and the like. Exception No. 2: A reduction in clearance above only the ove... | https://2023.antflix.net#770.44(B) |
Chapter 7 Special Conditions | 770.47 | Underground optical fiber cables entering buildings shall comply with 770.47(A) and (B). [770.47](https://2023.antflix.net#770.47) | https://2023.antflix.net#770.47 |
Chapter 7 Special Conditions | 770.47(A) | Underground conductive optical fiber cables entering buildings with electric light, power, Class 1, or non—power-limited fire alarm circuit conductors in a raceway, handhole enclosure, or manhole shall be located in a section separated from such conductors by means of brick, concrete, or tile partitions or by means of ... | https://2023.antflix.net#770.47(A) |
Chapter 7 Special Conditions | 770.47(B) | Direct-buried conductive optical fiber cables shall be separated by at least 300 mm (12 in.) from conductors of any electric light, power, non-power-limited fire alarm circuit conductors, or Class 1 circuit. Exception No. 1: Separation shall not be required where the electric service conductors are installed in raceway... | https://2023.antflix.net#770.47(B) |
Chapter 7 Special Conditions | 770.48(A) | Unlisted conductive and nonconductive outside plant optical fiber cables shall be permitted to be installed in building spaces, other than risers, ducts used for environmental air, plenums used for environmental air, and other spaces used for environmental air, where the length of the cable within the building, measure... | https://2023.antflix.net#770.48(A) |
Chapter 7 Special Conditions | 770.48(B) | Unlisted nonconductive outside plant optical fiber cables shall be permitted to enter the building from the outside and shall be permitted to be installed in any of the following raceways: Intermediate metal conduit (IMC)Rigid metal conduit (RMC)Rigid polyvinyl chloride conduit (PVC)Electrical metallic tubing (EMT)Unli... | https://2023.antflix.net#770.48(B) |
Chapter 7 Special Conditions | 770.49 | Metal conduit containing optical fiber entrance cable shall be connected by a bonding conductor or grounding electrode conductor to a grounding electrode or, where present, the building grounding electrode system in accordance with 770.100(B). [770.49](https://2023.antflix.net#770.49) | https://2023.antflix.net#770.49 |
Chapter 7 Special Conditions | 770.93 | Optical fiber cables entering the building or terminating on the outside of the building shall comply with 770.93(A) or (B). [770.93](https://2023.antflix.net#770.93) | https://2023.antflix.net#770.93 |
Chapter 7 Special Conditions | 770.93(A) | In installations where an optical fiber cable is exposed to contact with electric light or power conductors and the cable enters the building, the non-current-carrying metallic members shall be either grounded or bonded as specified in 770.100 or interrupted by an insulating joint or equivalent device. The grounding or... | https://2023.antflix.net#770.93(A) |
Chapter 7 Special Conditions | 770.93(B) | In installations where an optical fiber cable is exposed to contact with electric light or power conductors and the cable is terminated on the outside of the building, the non-current-carrying metallic members shall be either grounded or bonded as specified in 770.100 or interrupted by an insulating joint or equivalent... | https://2023.antflix.net#770.93(B) |
Chapter 7 Special Conditions | 770.100 | If required, the non-current-carrying metallic members of optical fiber cables entering buildings shall be bonded or grounded as specified in 770.100(A) through (D). [770.100](https://2023.antflix.net#770.100) | https://2023.antflix.net#770.100 |
Chapter 7 Special Conditions | 770.100(A)(1) | The bonding conductor or grounding electrode conductor shall be listed and shall be permitted to be insulated, covered, or bare. [770.100(A)(1)](https://2023.antflix.net#770.100(A)(1)) | https://2023.antflix.net#770.100(A)(1) |
Chapter 7 Special Conditions | 770.100(A)(2) | The bonding conductor or grounding electrode conductor shall be copper or other corrosion-resistant conductive material, stranded or solid. [770.100(A)(2)](https://2023.antflix.net#770.100(A)(2)) | https://2023.antflix.net#770.100(A)(2) |
Chapter 7 Special Conditions | 770.100(A)(3) | The bonding conductor or grounding electrode conductor shall not be smaller than 14 AWG. It shall have a current-carrying capacity not less than that of the grounded metallic member(s). The bonding conductor or grounding electrode conductor shall not be required to exceed 6 AWG. [770.100(A)(3)](https://2023.antflix.net... | https://2023.antflix.net#770.100(A)(3) |
Chapter 7 Special Conditions | 770.100(A)(4) | The bonding conductor or grounding electrode conductor shall be as short as practicable. In one- and two- family dwellings, the bonding conductor or grounding electrode conductor shall be as short as practicable not to exceed 6.0 m (20 ft) in length. Informational Note: Similar bonding conductor or grounding electrode ... | https://2023.antflix.net#770.100(A)(4) |
Chapter 7 Special Conditions | 770.100(A)(5) | The bonding conductor or grounding electrode conductor shall be run in as straight a line as practicable. [770.100(A)(5)](https://2023.antflix.net#770.100(A)(5)) | https://2023.antflix.net#770.100(A)(5) |
Chapter 7 Special Conditions | 770.100(A)(6) | Bonding conductors and grounding electrode conductors shall be protected where exposed to physical damage. Where the bonding conductor or grounding electrode conductor is installed in a metal raceway, both ends of the raceway shall be bonded to the contained conductor or to the same terminal or electrode to which the b... | https://2023.antflix.net#770.100(A)(6) |
Chapter 7 Special Conditions | 770.100(B) | The bonding conductor and grounding electrode conductor shall be connected in accordance with 770.100(B)(1), (B)(2), or (B)(3). [770.100(B)](https://2023.antflix.net#770.100(B)) | https://2023.antflix.net#770.100(B) |
Chapter 7 Special Conditions | 770.100(B)(1) | If the building or structure served has an intersystem bonding termination as required by 250.94, the bonding conductor shall be connected to the intersystem bonding termination. Informational Note: See Informational Note Figure 800.100(B)(1) for an illustration of the application of the bonding conductor in buildings ... | https://2023.antflix.net#770.100(B)(1) |
Chapter 7 Special Conditions | 770.100(B)(2) | If an intersystem bonding termination is established, 250.94(A) shall apply. If the building or structure served has no intersystem bonding termination, the bonding conductor or grounding electrode conductor shall be connected to the nearest accessible location on one of the following:The building or structure groundin... | https://2023.antflix.net#770.100(B)(2) |
Chapter 7 Special Conditions | 770.100(B)(3) | If the building or structure served has no intersystem bonding termination or grounding means, as described in 770.100(B)(2), the grounding electrode conductor shall be connected to either of the following: To any one of the individual grounding electrodes described in 250.52(A)(1), (A)(2), (A)(3), or (A)(4).If the bui... | https://2023.antflix.net#770.100(B)(3) |
Chapter 7 Special Conditions | 770.100(C) | Connections to grounding electrodes shall comply with 250.70. [770.100(C)](https://2023.antflix.net#770.100(C)) | https://2023.antflix.net#770.100(C) |
Chapter 7 Special Conditions | 770.100(D) | A bonding jumper not smaller than 6 AWG copper or equivalent shall be connected between the grounding electrode and power grounding electrode system at the building or structure served where separate electrodes are used. Exception: At mobile homes as covered in 770.106. Informational Note No. 1: See 250.60 for connecti... | https://2023.antflix.net#770.100(D) |
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