Raceways Flashcards
1
Q
A horizontal straight run of 2 in. diameter rigid metal conduit with threaded couplings shall be supported at intervals of not more than:
A. 10 ft. B. 12 ft. C. 14 ft. D. 16 ft. E. 20 ft.
A
16ft
Table 344-30(B)(2)
2
Q
Nonmetallic sheathed cable is required to be secured within 12 in. from every cabinet, box, or fitting, and at intervals along the cable of not more than:
A. 3 ft. B. C. 4½ ft. 6 ft. D. 10 ft. E. 12 ft.
A
4 1/2ft
334.30
3
Q
The minimum trade diameter of rigid metal conduit permitted for eight size 10 AWG THWN conductors is:
A. B. C. d in. ½ in. ¾ in. D. 1 in. E. 1¼ in.
A
3/4 in
Table C8 (RMC), Annex C
4
Q
A
