Incredible Where To Put Ground Wire For Light Fixture References. Web a standard box will have three sets of electric wires connected. If you’re hooking the wires to a ground screw, hook the wire to the ground screw, hook it on the screw and use your pliers to tighten the knot.

Web your new light fixture will have a ground wire (green coated or bare copper). Trim the black and white wires to 8 in., leaving the ground wire long. In a system with metal boxes, the pigtail method is considered the most secure.