Branch Circuits & WiringQuestion 223 of 521
Under what condition may Type MC cable be installed in a wet location?
a.Never, MC is dry-location only
b.Always, MC is unrestricted
c.Only when it is listed and identified for wet locations with a suitable moisture-impervious jacket
d.Only where installed underground
Explanation
Per 330.10, MC cable may be used in wet locations only where the metallic covering is impervious to moisture (or a jacket is provided) and the cable is listed/identified for the use. It is not unrestricted, and wet-location use is not limited to underground runs.
Law Reference: 2023 NEC §330.10Practice all 521 questions free — no signup required.
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