+18 Where To Connect Ground Wire In Light Fixture References. Web to set up two ground wires on a light fixture, start by connecting the first ground wire to the green ground screw. Web firstly, ground wires from both domestic and commercial services are taken to a central spot.

Web locate the ground wire coming from your home's electrical box where the light fixture is to be installed. So, a safe exit for excess electricity. Web to set up two ground wires on a light fixture, start by connecting the first ground wire to the green ground screw.