STEEL CONDUIT (EMT/RSC/IMC)
Standard: GB/T 14823, UL 797, ANSI C80.3 — ELECTRICAL METALIC TUBING
UL 1242, ANSI C80.6 — RIGID STEEL CONDUIT
UL 6, ANSI C80.1 — INTER-MEDIATE METALIC CONDUIT
BS 4568-1970, BS 31-1940
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