While the original purpose of a metallic raceway was the protection of wires from mechanical damage, the metallic raceways of today serve a second purpose. Today, we expect them to carry fault ...
The NEC Articles covering conduit start with Art. 342 and end with Art. 356. The first four conduits are the metal ones: You can use IMC and RMC in all atmospheric conditions and occupancies [Sec. 342 ...
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