The non-current-carrying metal or other conductive parts of the building or other structure electrical-power distribution system, as well as exposed and embedded metal parts of the building or other-structure construction and any metal piping systems within the building or other structure are bonded with each other and to the grounded service-neutral conductor (in the service equipment panel or other distribution load center separately-derived system) to form the __________ system. equipment-grounding grounding-electrode equipment-bonding Either a. or b