The National Electrical Code (NEC) rules for the aforementioned are in Sec. 314.28. But don’t confuse them with outlet boxes [314.27(A) through (E)]. The rules for pull boxes, junction boxes, and ...
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 ...
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