Metal light boxes, without question, must be grounded at the light fitting. For any light fixture constructed with a metal body, grounding is mandatory to bond the fixture's exterior to the safety system, preventing it from becoming electrified. Whether you're a seasoned pro or just starting out, this comprehensive guide will give you practical. DIYers often question the necessity of connecting the ground wire when installing a new light fixture, as the fixture illuminates perfectly well without it. If the fixture box is metal and the light fixture is fed by premise wiring (NM), it is okay to ground the premise wiring to the ground screw provided in. Installing a light fixture might seem simple, but grounding is a must. It keeps you and your home safe from electrical mishaps. This process might sound technical, but with guidance, anyone can.
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