, EMT, rigid steel, IMC) for grounding purposes. Forget those YouTube shortcuts—here's how the pros do it for reliable, long-lasting grounding. Before driving a single rod: Stop hammering willy-nilly! Precision matters: The critical handshake point: Dedicated ground bar in the cabinet—never double-tap neutrals! I've fixed more botched grounding. The equipment grounding conductor provides a secure, low-impedance current path to the ground, allowing the flow of a ground-fault current magnitude high enough to blow a fuse or trip a breaker, eliminating the hazard. It's essential to follow local electrical codes and standards, such as the. Power from factory ground must be installed by a qualified electrician. Each DISTRIBUTION BOX and controller must be grounded. 26 mm 2 (10 AWG) ground wire must be used, and in all other markets a 6 mm 2 must be used. Grounding of the units: Attach a ground wire from one of. The National Electrical Code® (NEC®) recognizes several types of conductors that are permitted to be used as equipment grounding conductors in Section 250. 118 (2), (3) and (4) respectively. 1. 7 Provide conduit grounding bushings, bonded together and connected to the equipment enclosure on all incoming and outgoing conduits on distribution switchgear and switchboards, distribution panels and on all conduits over 1-1/4” diameter at all panelboards, pull boxes and equipment.