Will a light switch work with no ground wire. The key to working with a 3 way switch is that there is always an odd colored screw on it.
Electrical Basics Wiring A Basic Single Pole Light Switch
No ground wire in light switch. Electrical wiring in some older homes does not have a ground wire for outlets ans switches and some older homes have ground wires that are bonded behind the electrical box. Last and least if theres no screw present in the box to connect a ground wire and no place to put a screw heres a workaround. Remove one of the long screws that holds the fixture in place. Disconnect the neutral wire which is white and connect it to the chrome line terminal. You can leave that screw unconnected if you dont have a ground wire or if you have the wire but no screw on the switch you can ground the switch another way. Thread an 8 32 nut onto the screw.
Replace the outlet and put a label on it that reads no equipment ground. If your light switch goes out and is wired like mine this is how you can replace the light switch in a 2 wire ungrounded home. If the box is metal then attach the fixture ground wire to the box. So any light switch installed since your local ahj authority having jurisdiction or in other words the building department adopted the 1999 nec should be grounded. On a dimmer or a light switch there is usually not a neutral wire. If your light switch spark box is made of metal its likely that the bare copper ground wire youre looking for is wrapped around the wiring cables sheath and held in place by the clamp holding.
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. Sunday december 9 2018 light switches have been required to be grounded since the 1999 edition of the national electrical code. Light fixtures and the ground wire. On a 3 way switch circuit the white wire could be used in several different ways. Heres why you normally want a ground and what your options are for a light switch without ground. The purpose of a ground wire on a light switch.
Leave the ground terminal disconnected. It must be connected to this terminal not to the load terminal or the gfci wont offer any protection. For a normal light switch the ground is a safety feature not necessary for operation. Wrap the wire around the screw then cinch the nut down to hold it. As long as you match that the other wires dont make a difference.
Gallery of No Ground Wire In Light Switch
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