Installation, Safety & Codes

NEC Article 690

The National Electrical Code article governing solar photovoltaic systems, covering circuits, disconnects, wiring, groun

Equipment grounding conductor (EGC)

A conductor that bonds non-current-carrying metal parts (frames, racking, enclosures) to provide a low-impedance fault p

Bonding vs. grounding

Bonding joins metal parts together to keep them at the same potential; grounding connects the bonded system to earth.

Module frame grounding

Metal module frames must be bonded with listed grounding hardware (lugs, washers, or clips) that pierces the anodized co

Listed equipment requirement

PV components should be listed and labeled by a recognized testing laboratory and installed per their listing and instru