If the box is not metal and a ground wire is not available in the fixture box then you can still install the key less light fixture. Typically the fan and the mounting plate will have green wires to ground out the fan and the electrical box.
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Where to connect green wire if no ground. If you have a ground. What if there is no ground wire in the circuit. Locate the ground wire coming from your homes electrical box where the light fixture is to be. Replace the outlet and put a label on it that reads no equipment ground this label is usually supplied with the outlet and it warns people against relying on the outlet for surge protection. Connect the ground wires to the receptacle the bare ground wire this wire visible in our photo as the un insulated copper wire seen between the white top and black bottom wires connects to the green ground screw usually found on the bottom of the electrical receptacle photo at left. If the box is metal then attach the fixture ground wire to the box.
An additional ground wire may be installed to provide a ground wire to the light fixture location. If theres a screw inside the metal box connect the ground wire from the fixture to it. You can put a short 8 32 machine screw in the hole then connect the ground wire to that screw. Make sure that the junction box in your ceiling is one that is rated for a ceiling fan. If it isnt you could be setting yourself up for. If not look for a screw hole in the box.
Leave the ground terminal disconnected. How to wire a ceiling fan when there is no ground wire. In house wiring the ground is typically bare and has no coating. Putting a screw in an electrical box can be a pain. As far as the ground wire is concerned there are two solutions to this problem. Locate the green ground screw that will either be on the light fixture itself or on the mounting bracket used to hang the light fixture.
Disconnect the neutral wire which is white and connect it to the chrome line terminal. How to connect ground wires in light fixtures.