Bending Radius Limitations for SE Cable

Article 338 covers the use, installation and construction specifications of service-entrance cable.

June 18, 2014

The radius of the curve of the inner edge of any bend, during or after installation, shall not be less than _____ times the diameter of Type USE or SE cable.

a) three
b) five
c) seven
d) 10

See answer and applicable Code reference

The correct answer is: b) five

Article 338 covers the use, installation and construction specifications of service-entrance cable. As noted in 338.24, "Bends in Types USE and SE cable shall be so made that the cable will not be damaged. The radius of the curve of the inner edge of any bend, during or after installation, shall not be less than five times the diameter of the cable."