410-Luminaires, Lampholders, and Lamps
I. General
410.1 Scope. This article covers luminaires, portable
National Electric Code
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352-Rigid Polyvinyl Chloride Conduit
I. General
352.1 Scope. This article covers the use, installation, and
construction specifications for rigid polyvinyl chloride con
duit (PVC) and associated fittings.
FPN: Refer to Article 353 for High Density Polyethylene Conduit: Type HDPE, and Article 355 for Reinforced Thermosetting Resin Conduit: Type RTRC.
382-Nonmetallic Extensions
I. General
382.1 Scope. This article covers the use, installation, and construction specifications for nonmetallic extensions.
382.2 Definitions.
353-High Density Polyethylene Conduit
I. General
353.1 Scope. This article covers the use, installation, and construction specifications for high density polyethylene (HDPE) conduit and associated fittings.
FPN: Refer to Article 352 for Rigid Polyvinyl Chloride Conduit: Type PVC and Article 355 for Reinforced Ther- mosetting Resin Conduit: Type RTRC.
384-Strut-Type Channel Raceway
I. General
ARTICLE 384
384.22 Number of Conductors. The number of conduc- tors permitted in strut-type channel raceways shall not exceed the percentage fill using Table 384.22 and applicable cross-sectional area of specific types and sizes of wire given in the tables in Chapter 9.
The derating factors of 310.15(B)(2)(a) shall not apply to conductors installed in strut-type channel
354-Nonmetallic Underground Conduit with
I. General
354.1 Scope. This article covers the use, installation, and construction specifications for nonmetallic underground conduit with conductors (NUCC).
354.2 Definition.
386-Surface Metal Raceways
I. General
of conductors or cables installed in surface metal raceway shall not be greater than the number for which the raceway is designed. Cables shall be permitted to be installed where such use is not prohibited by the respective cable articles.
The derating factors of 310.15(B)(2)(a) shall not
apply to conductors installed in surface metal raceways
where all of the following conditions are met:
(1) The cross-sectional area of the raceway exceeds
355-Reinforced Thermosetting Resin
I. General
355.1 Scope. This article covers the use, installation, and construction specification for reinforced thermosetting resin conduit (RTRC) and associated fittings.
FPN: Refer to Article 352 for Rigid Polyvinyl Chloride Conduit: Type PVC, and Article 353 for High Density Polyethylene Conduit: Type HDPE.
388-Surface Nonmetallic Raceways
I. General
that for which the raceway is designed shall be installed in surface nonmetallic raceway.
388.22 Number of Conductors or Cables. The number of conductors or cables installed in surface nonmetallic raceway shall not be greater than the number for which the raceway is designed. Cables shall be permitted to be installed where such use is not prohibited by the respective cable articles.
356-Liquidtight Flexible Nonmetallic
I. General
sembly, metric designator 16 through 27 (trade size
Vi through 1) conduit.
(7) For encasement in concrete where listed for direct
burial and installed in compliance with 356.42.
356.12 Uses Not Permitted. LFNC shall not be used as follows:
(1) Where subject to physical damage
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