Bends in nonmetallic underground conduit with conductors (NUCC) can be _____ so that the conduit will not be damaged and the internal diameter of the conduit will not be effectively reduced.
a) manually made
b) made only with approved benders
c) made with RMC bending shoes
d) made using an open flame torch
See answer and applicable Code reference
The correct answer is: a) manually made
The requirements for installation of Type NUCC are outlined in Art. 354 of the 2011 NEC. As noted in Sec. 354.24, bends shall be made manually. "The radius of the curve of the centerline of such bends shall not be less than shown in Table 354.24."