Wiring Methods & MaterialsQuestion 71 of 120
At what maximum interval must Type MC cable be supported and secured?
a.Every 3 feet, and within 12 inches of every termination
b.Every 4 and 1/2 feet, and within 12 inches of every termination
c.Every 10 feet, and within 3 feet of every termination
d.Every 6 feet, and within 12 inches of every termination
Explanation
Type MC cable is secured at intervals not exceeding 6 feet and within 12 inches of every box, cabinet or fitting where the cable terminates. The 4 and 1/2-foot interval belongs to Types NM and AC, and the 10-foot interval belongs to EMT and other rigid raceways.
Law Reference: 2023 NEC §330.30Practice all 120 questions free — no signup required.
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