Where a main bonding jumper is a screw only, the screw shall be identified by a(n) _____ that shall be visible with the screw installed.
a) silver or white finish
b) green finish
c) etched ground symbol
d) hexagonal shaped head
See answer and applicable Code reference
The correct answer is: b) green finish
Section 250.28 of the 2011 NEC focuses on the main bonding and system bonding jumper requirements. As noted in 250.28(B), "where a