Aluminum fittings and enclosures shall be permitted to be used with IMC.
342.1 Scope. This article covers the use, installation, and construction specifications for intermediate metal conduit (IMC) and associated fittings.
342.2 Definition.
406.1 Scope. This article covers the rating, type, and in- stallation of receptacles, cord connectors, and attachment plugs (cord caps).
406.2 Receptacle Rating and Type.
(A) Receptacles. Receptacles shall be listed and marked with the manufacturer's name or identification and voltage and ampere ratings.
344.1 Scope. This article covers the use, installation, and construction specifications for rigid metal conduit (RMC) and associated fittings.
344.2 Definition.
(B) Adjustment Factors. The adjustment factors in
310.15(B)(2)(a) shall be applied only where the number
of current-carrying conductors, including neutral
conductors classified as current-carrying under the
provisions of 310.15(B)(4), exceeds 30. Conductors for
signaling circuits or controller conductors between a
motor and its starter and used only for starting duty
shall not be considered as current-carrying conductors.
(1) All switchboards, panelboards, and distribution boards installed for the control of light and power circuits
(2) Battery-charging panels supplied from light or power circuits
b. As part of a listed assembly
348.1 Scope. This article covers the use, installation, and construction specifications for flexible metal conduit (FMC) and associated fittings.
348.2 Definition.
limitations would exceed those for which the nonmetallic wireway is listed
378.21 Size of Conductors. No conductor larger than that for which the nonmetallic wireway is designed shall be installed in any nonmetallic wireway.
378.22 Number of Conductors. The sum of cross- sectional areas of all contained conductors at any cross section of the nonmetallic wireway shall not exceed 20
Table 409.3 Other Articles
Equipment/Occupancy Article
Branch circuits 210
Luminaires 410
Motors, motor circuits, and 430
controllers
Air-conditioning and 440
refrigerating equipment
Section
