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Chapter 3 Wiring Methods and Materials | 315.17(B)(1) | Type MV cable joints, terminations, or connectors shall be durably marked on the surface. [315.17(B)(1)](https://2023.antflix.net#315.17(B)(1)) | https://2023.antflix.net#315.17(B)(1) |
Chapter 3 Wiring Methods and Materials | 315.17(B)(2) | Type MV cable joints, terminations, or connectors shall be marked by means of a durably printed tag or label attached to joint or termination. [315.17(B)(2)](https://2023.antflix.net#315.17(B)(2)) | https://2023.antflix.net#315.17(B)(2) |
Chapter 3 Wiring Methods and Materials | 315.17(C) | Type MV cable joints and cable terminations shall be permitted to be marked to indicate special characteristics, such as limited smoke and sunlight resistance. [315.17(C)](https://2023.antflix.net#315.17(C)) | https://2023.antflix.net#315.17(C) |
Chapter 3 Wiring Methods and Materials | 315.30 | A qualified person(s) with documented training and experience shall perform the installation and testing of Type MV cable. A qualified person(s) with documented training and experience in the installation of Type MV cable joints shall perform the installation of Type MV cable joints. A qualified person(s) with document... | https://2023.antflix.net#315.30 |
Chapter 3 Wiring Methods and Materials | 315.32(A) | Type MV cable shall be permitted for use on power systems rated up to and including 35,000 volts, nominal, as follows: In wet or dry locations.In raceways.In cable trays, where identified for the use, in accordance with 392.10, 392.20(B), (C), and (D), 392.22(C), 392.30(B)(1), 392.46, 392.56, and 392.60. Type MV cable ... | https://2023.antflix.net#315.32(A) |
Chapter 3 Wiring Methods and Materials | 315.32(B) | Type MV cable joints and terminations shall be permitted for use on power systems rated up to and including 35,000 volts, nominal, as follows:
Type MV cable joints and terminations, used where exposed to direct sunlight, shall be identified for the use.
Direct buried.
Where used intermittently or continuously submerge... | https://2023.antflix.net#315.32(B) |
Chapter 3 Wiring Methods and Materials | 315.36 | Type MV conductors and cables used for direct burial applications shall be shielded, identified for such use, and installed in accordance with 305.15. Exception No. 1: Nonshielded multiconductor cables rated 2001 volts to 2400 volts shall be permitted if the cable has an overall metallic sheath or armor. The metallic s... | https://2023.antflix.net#315.36 |
Chapter 3 Wiring Methods and Materials | 315.40 | Type MV cable terminated in equipment or installed in pull boxes or vaults shall be secured and supported by metallic or nonmetallic supports suitable to withstand the weight by cable ties listed and identified for securement and support, or other approved means, at intervals not exceeding 1.5 m (5 ft) from termination... | https://2023.antflix.net#315.40 |
Chapter 3 Wiring Methods and Materials | 315.44 | Nonshielded, ozone-resistant insulated conductors with a maximum phase-to-phase voltage of 5000 volts shall be permitted in Type MC cables in industrial establishments where the conditions of maintenance and supervision ensure that only qualified persons service the installation. For other establishments, solid dielect... | https://2023.antflix.net#315.44 |
Chapter 3 Wiring Methods and Materials | 315.45 | Type MV cable joints and terminations shall be provided with means to connect the metallic insulation shield to ground if required. [315.45](https://2023.antflix.net#315.45) | https://2023.antflix.net#315.45 |
Chapter 3 Wiring Methods and Materials | 315.60(A)(1) | Ampacities for solid dielectric-insulated conductors shall be permitted to be determined by tables or under engineering supervision, as provided in 315.60(B) and (C). The ampacity of Type MV cable installed in cable tray shall be determined in accordance with 392.80(B). [315.60(A)(1)](https://2023.antflix.net#315.60(A)... | https://2023.antflix.net#315.60(A)(1) |
Chapter 3 Wiring Methods and Materials | 315.60(A)(2) | Where more than one calculated or tabulated ampacity could apply for a given circuit length, the lowest value shall be used. Exception: Where different ampacities apply to portions of a circuit, the higher ampacity shall be permitted to be used if the total portion(s) of the circuit with the lower ampacity does not exc... | https://2023.antflix.net#315.60(A)(2) |
Chapter 3 Wiring Methods and Materials | 315.60(B) | Under engineering supervision, conductor ampacities shall be permitted to be calculated by using the following general equation: [315.60(B)] where: Tc = conductor temperature (°C) Ta = ambient temperature (°C) ΔTd = dielectric loss temperature rise Rdc = dc resistance of conductor at temperature, Tc Y... | https://2023.antflix.net#315.60(B) |
Chapter 3 Wiring Methods and Materials | 315.60(C) | Ampacities for conductors rated 2001 volts to 35,000 volts shall be as specified in Table 315.60(C)(1) through Table 315.60(C)(20). Ampacities for ambient temperatures other than those specified in the ampacity tables shall be corrected in accordance with 315.60(D)(4).
Informational Note No. 1: See IEEE 835, Standard P... | https://2023.antflix.net#315.60(C) |
Chapter 3 Wiring Methods and Materials | 315.60(D)(1) | Ampacities shown in Table 315.60(C)(3), Table 315.60(C)(4), Table 315.60(C)(15), and Table 315.60(C)(16) shall apply for cables with shields grounded at one point only. Where shields for these cables are grounded at more than one point, ampacities shall be adjusted to take into consideration the heating due to shield c... | https://2023.antflix.net#315.60(D)(1) |
Chapter 3 Wiring Methods and Materials | 315.60(D)(2) | Where the burial depth of direct burial or electrical duct bank circuits is modified from the values shown in a figure or table, ampacities shall be permitted to be modified as indicated in 315.60(D)(2)(a) and (D)(2)(b). No ampacity adjustments shall be required where the burial depth is decreased. Where burial depths ... | https://2023.antflix.net#315.60(D)(2) |
Chapter 3 Wiring Methods and Materials | 315.60(D)(3) | At locations where electrical ducts enter equipment enclosures from underground, spacing between such ducts, as shown in Figure 315.60(D)(3), shall be permitted to be reduced without requiring the ampacity of conductors therein to be reduced.
FIGURE 315.60(D)(3) Cable Installation Dimensions for Use with Table 315.60(C... | https://2023.antflix.net#315.60(D)(3) |
Chapter 3 Wiring Methods and Materials | 315.60(D)(4) | Ampacities for ambient temperatures other than those specified in the ampacity tables shall be corrected in accordance with Table 315.60(D)(4) or shall be permitted to be calculated using the following equation:
[315.60(D)(4)]
where:
I'
=
ampacity corrected for ambient temperature
I
=
ampacity shown in th... | https://2023.antflix.net#315.60(D)(4) |
Chapter 3 Wiring Methods and Materials | 315.60(E) | Ampacities for conductors and cables in air shall be as specified in Table 315.60(C)(1) through Table 315.60(C)(10). Ampacities shall be based on the following: Conductor temperatures of 90°C (194°F) and 105°C (221°F)Ambient air temperature of 40°C (104°F)Informational Note: See 315.60(D)(4) where the ambient air tempe... | https://2023.antflix.net#315.60(E) |
Chapter 3 Wiring Methods and Materials | 315.60(F) | Ampacities for conductors and cables in underground electrical ducts and direct buried in earth shall be as specified in Table 315.60(C)(11) through Table 315.60(C)(20). Ampacities shall be based on the following: Ambient earth temperature of 20°C (68°F)Arrangement in accordance with Figure 315.60(D)(3)100 percent load... | https://2023.antflix.net#315.60(F) |
Chapter 3 Wiring Methods and Materials | 320.1 | This article covers the use, installation, and construction specifications for armored cable, Type AC. [320.1](https://2023.antflix.net#320.1) | https://2023.antflix.net#320.1 |
Chapter 3 Wiring Methods and Materials | 320.6 | Type AC cable and associated fittings shall be listed. [320.6](https://2023.antflix.net#320.6) | https://2023.antflix.net#320.6 |
Chapter 3 Wiring Methods and Materials | 320.10 | Type AC cable shall be permitted as follows: For feeders and branch circuits in both exposed and concealed installationsIn cable traysIn dry locationsEmbedded in plaster finish on brick or other masonry, except in damp or wet locationsTo be run or fished in the air voids of masonry block or tile walls where such walls ... | https://2023.antflix.net#320.10 |
Chapter 3 Wiring Methods and Materials | 320.12 | Type AC cable shall not be used as follows: Where subject to physical damageIn damp or wet locationsIn air voids of masonry block or tile walls where such walls are exposed or subject to excessive moisture or dampnessWhere exposed to corrosive conditionsEmbedded in plaster finish on brick or other masonry in damp or we... | https://2023.antflix.net#320.12 |
Chapter 3 Wiring Methods and Materials | 320.15 | Exposed runs of cable, except as provided in 300.11(B), shall closely follow the surface of the building finish or of running boards. Exposed runs shall also be permitted to be installed on the underside of joists where supported at each joist and located so as not to be subject to physical damage. [320.15](https://202... | https://2023.antflix.net#320.15 |
Chapter 3 Wiring Methods and Materials | 320.17 | Type AC cable shall be protected in accordance with 300.4(A), (C), and (D) where installed through or parallel to framing members. [320.17](https://2023.antflix.net#320.17) | https://2023.antflix.net#320.17 |
Chapter 3 Wiring Methods and Materials | 320.23 | Type AC cables in accessible attics or roof spaces shall be installed as specified in 320.23(A) and (B). [320.23](https://2023.antflix.net#320.23) | https://2023.antflix.net#320.23 |
Chapter 3 Wiring Methods and Materials | 320.23(A) | Where run across the top of framing members, or across the face of rafters or studding within 2.1 m (7 ft) of the floor or horizontal surface, the cable shall be protected by guard strips that are at least as high as the cable. Where this space is not accessible by permanently installed stairs or ladders, protection sh... | https://2023.antflix.net#320.23(A) |
Chapter 3 Wiring Methods and Materials | 320.23(B) | Where the cable is installed parallel to the sides of rafters, studs, or ceiling or floor joists, neither guard strips nor running boards shall be required, and the installation shall also comply with 300.4(D). [320.23(B)](https://2023.antflix.net#320.23(B)) | https://2023.antflix.net#320.23(B) |
Chapter 3 Wiring Methods and Materials | 320.24 | Bends in Type AC cable shall be made such that the cable is not damaged. The radius of the curve of the inner edge of any bend shall not be less than five times the diameter of the Type AC cable. [320.24](https://2023.antflix.net#320.24) | https://2023.antflix.net#320.24 |
Chapter 3 Wiring Methods and Materials | 320.30(A) | Type AC cable shall be supported and secured by staples; cable ties listed and identified for securement and support; straps, hangers, or similar fittings; or other approved means designed and installed so as not to damage the cable. Type AC cable fittings shall be permitted as a means of cable support. [320.30(A)](htt... | https://2023.antflix.net#320.30(A) |
Chapter 3 Wiring Methods and Materials | 320.30(B) | Unless otherwise permitted, Type AC cable shall be secured within 300 mm (12 in.) of every outlet box, junction box, cabinet, or fitting and at intervals not exceeding 1.4 m (41/2 ft). [320.30(B)](https://2023.antflix.net#320.30(B)) | https://2023.antflix.net#320.30(B) |
Chapter 3 Wiring Methods and Materials | 320.30(C) | Unless otherwise permitted, Type AC cable shall be supported at intervals not exceeding 1.4 m (41/2 ft). Horizontal runs of Type AC cable installed in wooden or metal framing members or similar supporting means shall be considered supported and secured where such support does not exceed 1.4 m (41/2 ft) intervals. [320.... | https://2023.antflix.net#320.30(C) |
Chapter 3 Wiring Methods and Materials | 320.30(D) | Type AC cable shall be permitted to be unsupported and unsecured where the cable complies with any of the following: Is fished between access points through concealed spaces in finished buildings or structures and supporting is impracticableIs not more than 600 mm (2 ft) in length at terminals where flexibility is nece... | https://2023.antflix.net#320.30(D) |
Chapter 3 Wiring Methods and Materials | 320.40 | At all points where the armor of AC cable terminates, a fitting shall be provided to protect wires from abrasion, unless the design of the outlet boxes or fittings is such as to afford equivalent protection, and, in addition, an insulating bushing or its equivalent protection shall be provided between the conductors an... | https://2023.antflix.net#320.40 |
Chapter 3 Wiring Methods and Materials | 320.80 | The ampacity shall be determined in accordance with 310.14. [320.80](https://2023.antflix.net#320.80) | https://2023.antflix.net#320.80 |
Chapter 3 Wiring Methods and Materials | 320.80(A) | Armored cable installed in thermal insulation shall have conductors rated at 90°C (194°F). The ampacity of cable installed in these applications shall not exceed that of a 60°C (140°F) rated conductor. The 90°C (194°F) rating shall be permitted to be used for ampacity adjustment and correction calculations; however, th... | https://2023.antflix.net#320.80(A) |
Chapter 3 Wiring Methods and Materials | 320.80(B) | The ampacity of Type AC cable installed in cable tray shall be determined in accordance with 392.80(A). [320.80(B)](https://2023.antflix.net#320.80(B)) | https://2023.antflix.net#320.80(B) |
Chapter 3 Wiring Methods and Materials | 320.100 | Type AC cable shall have an armor of flexible metal tape and shall have an internal bonding strip of copper or aluminum in intimate contact with the armor for its entire length. [320.100](https://2023.antflix.net#320.100) | https://2023.antflix.net#320.100 |
Chapter 3 Wiring Methods and Materials | 320.104 | Insulated conductors shall be of a type listed in Table 310.4(1) or those identified for use in this cable. In addition, the conductors shall have an overall moisture-resistant and fire-retardant fibrous covering. For Type ACT, a moisture-resistant fibrous covering shall be required only on the individual conductors. [... | https://2023.antflix.net#320.104 |
Chapter 3 Wiring Methods and Materials | 320.108 | Type AC cable shall provide an adequate path for fault current as required by 250.4(A)(5) or (B)(4) to act as an equipment grounding conductor. [320.108](https://2023.antflix.net#320.108) | https://2023.antflix.net#320.108 |
Chapter 3 Wiring Methods and Materials | 320.120 | The cable shall be marked in accordance with 310.8, except that Type AC shall have ready identification of the manufacturer by distinctive external markings on the cable armor throughout its entire length. [320.120](https://2023.antflix.net#320.120) | https://2023.antflix.net#320.120 |
Chapter 3 Wiring Methods and Materials | 322.1 | This article covers the use, installation, and construction specifications for flat cable assemblies, Type FC. [322.1](https://2023.antflix.net#322.1) | https://2023.antflix.net#322.1 |
Chapter 3 Wiring Methods and Materials | 322.6 | Type FC and associated fittings shall be listed. [322.6](https://2023.antflix.net#322.6) | https://2023.antflix.net#322.6 |
Chapter 3 Wiring Methods and Materials | 322.10 | Flat cable assemblies shall be permitted only as follows: As branch circuits to supply suitable tap devices for lighting, small appliances, or small power loads. The rating of the branch circuit shall not exceed 30 amperes.Where installed for exposed work.In locations where they will not be subjected to physical damage... | https://2023.antflix.net#322.10 |
Chapter 3 Wiring Methods and Materials | 322.12 | Flat cable assemblies shall not be used as follows: Where exposed to corrosive conditions, unless suitable for the applicationIn hoistways or on elevators or escalatorsIn any hazardous (classified) location, except as specifically permitted by other articles in this Code.Outdoors or in wet or damp locations unless iden... | https://2023.antflix.net#322.12 |
Chapter 3 Wiring Methods and Materials | 322.30 | The flat cable assemblies shall be supported by means of their special design features, within the surface metal raceways. The surface metal raceways shall be supported as required for the specific raceway to be installed. [322.30](https://2023.antflix.net#322.30) | https://2023.antflix.net#322.30 |
Chapter 3 Wiring Methods and Materials | 322.40(A) | Each flat cable assembly dead end shall be terminated in an end-cap device identified for the use. The dead-end fitting for the enclosing surface metal raceway shall be identified for the use. [322.40(A)](https://2023.antflix.net#322.40(A)) | https://2023.antflix.net#322.40(A) |
Chapter 3 Wiring Methods and Materials | 322.40(B) | Luminaire hangers installed with the flat cable assemblies shall be identified for the use. [322.40(B)](https://2023.antflix.net#322.40(B)) | https://2023.antflix.net#322.40(B) |
Chapter 3 Wiring Methods and Materials | 322.40(C) | Fittings to be installed with flat cable assemblies shall be designed and installed to prevent physical damage to the cable assemblies. [322.40(C)](https://2023.antflix.net#322.40(C)) | https://2023.antflix.net#322.40(C) |
Chapter 3 Wiring Methods and Materials | 322.40(D) | All extensions from flat cable assemblies shall be made by approved wiring methods, within the junction boxes, installed at either end of the flat cable assembly runs. [322.40(D)](https://2023.antflix.net#322.40(D)) | https://2023.antflix.net#322.40(D) |
Chapter 3 Wiring Methods and Materials | 322.56(A) | Splices shall be made in listed junction boxes. [322.56(A)](https://2023.antflix.net#322.56(A)) | https://2023.antflix.net#322.56(A) |
Chapter 3 Wiring Methods and Materials | 322.56(B) | Taps shall be made between any phase conductor and the grounded conductor or any other phase conductor by means of devices and fittings identified for the use. Tap devices shall be rated at not less than 15 amperes, or more than 300 volts to ground, and shall be marked in accordance with 322.120(C). [322.56(B)](https:/... | https://2023.antflix.net#322.56(B) |
Chapter 3 Wiring Methods and Materials | 322.100 | Flat cable assemblies shall consist of two, three, four, or five conductors. [322.100](https://2023.antflix.net#322.100) | https://2023.antflix.net#322.100 |
Chapter 3 Wiring Methods and Materials | 322.104 | Flat cable assemblies shall have conductors of 10 AWG special stranded copper wires. [322.104](https://2023.antflix.net#322.104) | https://2023.antflix.net#322.104 |
Chapter 3 Wiring Methods and Materials | 322.112 | The entire flat cable assembly shall be formed to provide a suitable insulation covering all the conductors and using one of the materials recognized in Table 310.4(1) for general branch-circuit wiring. [322.112](https://2023.antflix.net#322.112) | https://2023.antflix.net#322.112 |
Chapter 3 Wiring Methods and Materials | 322.120(A) | In addition to the provisions of 310.8, Type FC cable shall have the temperature rating durably marked on the surface at intervals not exceeding 600 mm (24 in.). [322.120(A)](https://2023.antflix.net#322.120(A)) | https://2023.antflix.net#322.120(A) |
Chapter 3 Wiring Methods and Materials | 322.120(B) | The grounded conductor shall be identified throughout its length by means of a distinctive and durable white or gray marking. Informational Note: The color gray may have been used in the past as an ungrounded conductor. Care should be taken when working on existing systems. [322.120(B)](https://2023.antflix.net#322.120... | https://2023.antflix.net#322.120(B) |
Chapter 3 Wiring Methods and Materials | 322.120(C) | Terminal blocks identified for the use shall have distinctive and durable markings for color or word coding. The grounded conductor section shall have a white marking or other suitable designation. The next adjacent section of the terminal block shall have a black marking or other suitable designation. The next section... | https://2023.antflix.net#322.120(C) |
Chapter 3 Wiring Methods and Materials | 324.1 | This article covers a field-installed wiring system for branch circuits incorporating Type FCC cable and associated accessories as defined by the article. The wiring system is designed for installation under carpet squares. [324.1](https://2023.antflix.net#324.1) | https://2023.antflix.net#324.1 |
Chapter 3 Wiring Methods and Materials | 324.6 | Type FCC cable and associated fittings shall be listed. [324.6](https://2023.antflix.net#324.6) | https://2023.antflix.net#324.6 |
Chapter 3 Wiring Methods and Materials | 324.10(A) | Use of FCC systems shall be permitted both for general-purpose and appliance branch circuits and for individual branch circuits. [324.10(A)](https://2023.antflix.net#324.10(A)) | https://2023.antflix.net#324.10(A) |
Chapter 3 Wiring Methods and Materials | 324.10(B)(1) | Voltage between ungrounded conductors shall not exceed 300 volts. Voltage between ungrounded conductors and the grounded conductor shall not exceed 150 volts. [324.10(B)(1)](https://2023.antflix.net#324.10(B)(1)) | https://2023.antflix.net#324.10(B)(1) |
Chapter 3 Wiring Methods and Materials | 324.10(B)(2) | General-purpose and appliance branch circuits shall have ratings not exceeding 20 amperes. Individual branch circuits shall have ratings not exceeding 30 amperes. [324.10(B)(2)](https://2023.antflix.net#324.10(B)(2)) | https://2023.antflix.net#324.10(B)(2) |
Chapter 3 Wiring Methods and Materials | 324.10(C) | Use of FCC systems shall be permitted on hard, sound, smooth, continuous floor surfaces made of concrete, ceramic, or composition flooring, wood, and similar materials. [324.10(C)](https://2023.antflix.net#324.10(C)) | https://2023.antflix.net#324.10(C) |
Chapter 3 Wiring Methods and Materials | 324.10(D) | Use of FCC systems shall be permitted on wall surfaces in surface metal raceways. [324.10(D)](https://2023.antflix.net#324.10(D)) | https://2023.antflix.net#324.10(D) |
Chapter 3 Wiring Methods and Materials | 324.10(E) | Use of FCC systems in damp locations shall be permitted. [324.10(E)](https://2023.antflix.net#324.10(E)) | https://2023.antflix.net#324.10(E) |
Chapter 3 Wiring Methods and Materials | 324.10(F) | Materials used for floors heated in excess of 30°C (86°F) shall be identified as suitable for use at these temperatures. [324.10(F)](https://2023.antflix.net#324.10(F)) | https://2023.antflix.net#324.10(F) |
Chapter 3 Wiring Methods and Materials | 324.10(G) | Any portion of an FCC system with a height above floor level exceeding 2.3 mm (0.090 in.) shall be tapered or feathered at the edges to floor level. [324.10(G)](https://2023.antflix.net#324.10(G)) | https://2023.antflix.net#324.10(G) |
Chapter 3 Wiring Methods and Materials | 324.12 | FCC systems shall not be used in the following locations: Outdoors or in wet locationsWhere subject to corrosive vaporsIn any hazardous (classified) locationIn residential buildingsIn school and hospital buildings, other than administrative office areas [324.12](https://2023.antflix.net#324.12) | https://2023.antflix.net#324.12 |
Chapter 3 Wiring Methods and Materials | 324.18 | Crossings of more than two Type FCC cable runs shall not be permitted at any one point. Crossings of a Type FCC cable over or under a flat communications or signal cable shall be permitted. In each case, a grounded layer of metal shielding shall separate the two cables, and crossings of more than two flat cables shall ... | https://2023.antflix.net#324.18 |
Chapter 3 Wiring Methods and Materials | 324.30 | All FCC system components shall be firmly anchored to the floor or wall using an adhesive or mechanical anchoring system identified for this use. Floors shall be prepared to ensure adherence of the FCC system to the floor until the carpet squares are placed. [324.30](https://2023.antflix.net#324.30) | https://2023.antflix.net#324.30 |
Chapter 3 Wiring Methods and Materials | 324.40(A) | All Type FCC cable connections shall use connectors identified for their use, installed such that electrical continuity, insulation, and sealing against dampness and liquid spillage are provided. All bare cable ends shall be insulated and sealed against dampness and liquid spillage using listed insulating ends. [324.40... | https://2023.antflix.net#324.40(A) |
Chapter 3 Wiring Methods and Materials | 324.40(B) | All receptacles and connections shall be constructed and installed so as to maintain proper polarization of the system. [324.40(B)](https://2023.antflix.net#324.40(B)) | https://2023.antflix.net#324.40(B) |
Chapter 3 Wiring Methods and Materials | 324.40(C)(1) | A metal top shield shall be installed over all floor-mounted Type FCC cable, connectors, and insulating ends. The top shield shall completely cover all cable runs, corners, connectors, and ends. [324.40(C)(1)](https://2023.antflix.net#324.40(C)(1)) | https://2023.antflix.net#324.40(C)(1) |
Chapter 3 Wiring Methods and Materials | 324.40(C)(2) | A bottom shield shall be installed beneath all Type FCC cable, connectors, and insulating ends. [324.40(C)(2)](https://2023.antflix.net#324.40(C)(2)) | https://2023.antflix.net#324.40(C)(2) |
Chapter 3 Wiring Methods and Materials | 324.40(D) | Power feed, grounding connection, and shield system connection between the FCC system and other wiring systems shall be accomplished in a transition assembly identified for this use. [324.40(D)](https://2023.antflix.net#324.40(D)) | https://2023.antflix.net#324.40(D) |
Chapter 3 Wiring Methods and Materials | 324.40(E) | Metal shields shall be connected to each other and to boxes, receptacle housings, self-contained devices, and transition assemblies using metal-shield connectors. [324.40(E)](https://2023.antflix.net#324.40(E)) | https://2023.antflix.net#324.40(E) |
Chapter 3 Wiring Methods and Materials | 324.41 | Floor-mounted Type FCC cable, cable connectors, and insulating ends shall be covered with carpet squares not larger than 1.0 m (39.37 in.) square. Carpet squares that are adhered to the floor shall be attached with release-type adhesives. [324.41](https://2023.antflix.net#324.41) | https://2023.antflix.net#324.41 |
Chapter 3 Wiring Methods and Materials | 324.42(A) | All receptacles, receptacle housings, and self-contained devices used with the FCC system shall be identified for this use and shall be connected to the Type FCC cable and metal shields. Connection from any equipment grounding conductor of the Type FCC cable shall be made to the shield system at each receptacle. [324.4... | https://2023.antflix.net#324.42(A) |
Chapter 3 Wiring Methods and Materials | 324.42(B) | Receptacle housings and self-contained devices designed either for floor mounting or for in-wall or on-wall mounting shall be permitted for use with the FCC system. Receptacle housings and self-contained devices shall incorporate means for facilitating entry and termination of Type FCC cable and for electrically connec... | https://2023.antflix.net#324.42(B) |
Chapter 3 Wiring Methods and Materials | 324.56(A) | Alterations to FCC systems shall be permitted. New cable connectors shall be used at new connection points to make alterations. It shall be permitted to leave unused cable runs and associated cable connectors in place and energized. All cable ends shall be covered with insulating ends. [324.56(A)](https://2023.antflix.... | https://2023.antflix.net#324.56(A) |
Chapter 3 Wiring Methods and Materials | 324.56(B) | All transition assemblies shall be identified for their use. Each assembly shall incorporate means for facilitating entry of the Type FCC cable into the assembly, for connecting the Type FCC cable to grounded conductors, and for electrically connecting the assembly to the metal cable shields and to equipment grounding ... | https://2023.antflix.net#324.56(B) |
Chapter 3 Wiring Methods and Materials | 324.60 | All metal shields, boxes, receptacle housings, and self-contained devices shall be electrically continuous to the equipment grounding conductor of the supplying branch circuit. All such electrical connections shall be made with connectors identified for this use. The electrical resistivity of such shield system shall n... | https://2023.antflix.net#324.60 |
Chapter 3 Wiring Methods and Materials | 324.100(A) | Type FCC cable shall be listed for use with the FCC system and shall consist of three, four, or five flat copper conductors, one of which shall be an equipment grounding conductor. [324.100(A)](https://2023.antflix.net#324.100(A)) | https://2023.antflix.net#324.100(A) |
Chapter 3 Wiring Methods and Materials | 324.100(B)(1) | All top and bottom shields shall be of designs and materials identified for their use. Top shields shall be metal. Both metallic and nonmetallic materials shall be permitted for bottom shields. [324.100(B)(1)](https://2023.antflix.net#324.100(B)(1)) | https://2023.antflix.net#324.100(B)(1) |
Chapter 3 Wiring Methods and Materials | 324.100(B)(2) | Metal shields shall have cross-sectional areas that provide for electrical resistivity of not more than that of one conductor of the Type FCC cable used in the installation. [324.100(B)(2)](https://2023.antflix.net#324.100(B)(2)) | https://2023.antflix.net#324.100(B)(2) |
Chapter 3 Wiring Methods and Materials | 324.101 | Metal components of the system shall be either corrosion resistant, coated with corrosion-resistant materials, or insulated from contact with corrosive substances. [324.101](https://2023.antflix.net#324.101) | https://2023.antflix.net#324.101 |
Chapter 3 Wiring Methods and Materials | 324.112 | The insulating material of the cable shall be moisture resistant and flame retardant. All insulating materials in the FCC systems shall be identified for their use. [324.112](https://2023.antflix.net#324.112) | https://2023.antflix.net#324.112 |
Chapter 3 Wiring Methods and Materials | 324.120(A) | Type FCC cable shall be clearly and durably marked on both sides at intervals of not more than 610 mm (24 in.) with the information required by 310.8(A) and with the following additional information: Material of conductorsMaximum temperature ratingAmpacity [324.120(A)](https://2023.antflix.net#324.120(A)) | https://2023.antflix.net#324.120(A) |
Chapter 3 Wiring Methods and Materials | 324.120(B) | Conductors shall be clearly and durably identified on both sides throughout their length as specified in 310.6. [324.120(B)](https://2023.antflix.net#324.120(B)) | https://2023.antflix.net#324.120(B) |
Chapter 3 Wiring Methods and Materials | 326.1 | This article covers the use, installation, and construction specifications for integrated gas spacer cable, Type IGS. [326.1](https://2023.antflix.net#326.1) | https://2023.antflix.net#326.1 |
Chapter 3 Wiring Methods and Materials | 326.10 | Type IGS cable shall be permitted for use underground, including direct burial in the earth, as the following: Service-entrance conductorsFeeder or branch-circuit conductorsService conductors, underground [326.10](https://2023.antflix.net#326.10) | https://2023.antflix.net#326.10 |
Chapter 3 Wiring Methods and Materials | 326.12 | Type IGS cable shall not be used as interior wiring or be exposed in contact with buildings. [326.12](https://2023.antflix.net#326.12) | https://2023.antflix.net#326.12 |
Chapter 3 Wiring Methods and Materials | 326.24 | Where the coilable nonmetallic conduit and cable are bent for installation purposes or are flexed or bent during shipment or installation, the radius of the curve of the inner edge measured to the inside of the bend shall not be less than specified in Table 326.24. Table 326.24 Minimum Radii of Bends Conduit Size Mi... | https://2023.antflix.net#326.24 |
Chapter 3 Wiring Methods and Materials | 326.26 | A run of Type IGS cable between pull boxes or terminations shall not contain more than the equivalent of four quarter bends (360 degrees total), including those bends located immediately at the pull box or terminations. [326.26](https://2023.antflix.net#326.26) | https://2023.antflix.net#326.26 |
Chapter 3 Wiring Methods and Materials | 326.40 | Terminations and splices for Type IGS cable shall be identified as a type that is suitable for maintaining the gas pressure within the conduit. A valve and cap shall be provided for each length of the cable and conduit to check the gas pressure or to inject gas into the conduit. [326.40](https://2023.antflix.net#326.40... | https://2023.antflix.net#326.40 |
Chapter 3 Wiring Methods and Materials | 326.80 | The ampacity of Type IGS cable shall not exceed the values shown in Table 326.80. Table 326.80 Ampacity of Type IGS Cable Size (kcmil) Amperes Size (kcmil) Amperes 250 119 2500 376 500 168 3000 412 750 206 3250 429 1000 238 3500 445 1250 266 3750 461 1500 292 4000 476 1750 315 4250 491 2000 336 450... | https://2023.antflix.net#326.80 |
Chapter 3 Wiring Methods and Materials | 326.104 | The conductors shall be solid aluminum rods, laid parallel, consisting of one to nineteen 12.7 mm (1/2 in.) diameter rods. The minimum conductor size shall be 250 kcmil, and the maximum size shall be 4750 kcmil. [326.104](https://2023.antflix.net#326.104) | https://2023.antflix.net#326.104 |
Chapter 3 Wiring Methods and Materials | 326.112 | The insulation shall be dry kraft paper tapes and a pressurized sulfur hexafluoride gas (SF6), both approved for electrical use. The nominal gas pressure shall be 138 kPa gauge (20 lb/in.2 gauge). The thickness of the paper spacer shall be as specified in Table 326.112. Table 326.112 Paper Spacer Thickness Size (kcm... | https://2023.antflix.net#326.112 |
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