Section 29 discusses "Internal Wiring" 29.1.1 states that "All internal wiring conductors or bus bars shall be made of copper." If I have a neutral bar, which all conductive parts that could potentially become live are connected to so as to bond to the equipment grounding conductor, would this neutral bar be considered a bus bar?
Would the neutral bar need to be copper in order to comply with UL 508A?
Would the neutral bar need to be copper in order to comply with UL 508A?