Installation of Underground Conductors

Each direct-buried single conductor cable must be located _____ in the trench to the other single conductor cables in the same parallel set of conductors, including equipment grounding conductors.

a) perpendicular
b) bundled together
c) in close proximity
d) spaced apart

See answer and applicable Code reference

The correct answer is: c) in close proximity

Section 300.5 of the 2011 NEC covers the wiring methods for underground installa

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