The NEC Handbook explanation following 517.13(B)states; "The requirements in 517.13(B) cover the second component of the redundant grounding approach. An insulated, copper, equipment grounding conductor sized in accordance with 250.122 must be installed with the branch-circuit conductors in the wiring method that meets the provisions of 517.13(A). The conductor can be either solid or stranded. It is not required to run a separate, insulated equipment grounding conductor to the branch-circuit panelboard where the feeder wiring method is recognized as an equipment grounding conductor per 250.18, or the feeder wiring method contains an equipment grounding conductor".
I am questioning whether or not this explanation is correct as there is not a section 250.18, and that there is no exception not requiring an EGC in 517.13(B). What am I missing here?
Thanks in advance for your comments.
I am questioning whether or not this explanation is correct as there is not a section 250.18, and that there is no exception not requiring an EGC in 517.13(B). What am I missing here?
Thanks in advance for your comments.