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

Website Registration Required to Access this Content

Only registered users have access to Silver content. 

Registration on EC&M allows you exclusive access to high value content centered around proprietary research, expert NEC analysis and in-depth technical procedures.

Already registered? here.