Branch Circuits & WiringQuestion 220 of 521
Per 334.12, which of the following installations is NOT permitted for Type NM cable?
a.Dry interior stud wall of a dwelling
b.Exposed in a dry, protected location
c.Concealed in a dry attic
d.Embedded in poured concrete
Explanation
Section 334.12 prohibits NM cable from being embedded in poured concrete, aggregate, or plaster, and from wet or damp locations. Dry interior walls, dry attics, and protected exposed dry runs are all permitted uses under 334.10.
Law Reference: 2023 NEC §334.12Practice all 521 questions free — no signup required.
Related questions on this topic
- For Type NM cable, the 90°C rating of its conductors may be used for what purpose?
- A 12-2 Type NM cable (two 12 AWG conductors plus ground) is used for a general branch circuit. Using the required NM temperature column, what is the ampacity of its 12 AWG conductors?
- Per 334.30, Type NM cable must be secured and supported at intervals not exceeding what distance along the run?
- Per 330.30, Type MC cable must be supported and secured at intervals not exceeding what distance?
- Which statement about Type MC cable ampacity is correct?
- Under what condition may Type MC cable be installed in a wet location?
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