Branch Circuits & WiringQuestion 139 of 521
Liquidtight flexible metal conduit (LFMC) must be securely fastened within what distance of each box, cabinet, or fitting where the conduit is not fished?
a.3 ft
b.2 ft
c.18 in
d.12 in
Explanation
Section 350.30(A) requires LFMC to be fastened within 12 in of each box, cabinet, or termination and supported at intervals not exceeding 4.5 ft. The larger distances of 3 ft, 2 ft, and 18 in all exceed the 12-in fastening requirement for LFMC.
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Related questions on this topic
- Electrical metallic tubing (EMT) must be securely fastened within what distance of each outlet box, junction box, or fitting?
- After the required fastening near boxes, EMT must be supported at intervals not exceeding what distance?
- Between pull points (for example, from box to box), the total number of bends in one run of EMT must not exceed the equivalent of how many degrees?
- Along its length, liquidtight flexible metal conduit (LFMC) must be supported at intervals not exceeding what distance?
- Rigid metal conduit (RMC) must be securely fastened within what distance of each outlet box, junction box, or termination?
- For 1/2-inch through 3/4-inch trade size rigid metal conduit (RMC), what is the maximum spacing between supports on a straight horizontal run per Table 344.30(B)?
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