Third switch will stay as a regular switch. In my area the devices are sometimes installed bu day labors hired by contractors.
Box Fill Calculations Ec Amp M
No ground wire in switch box. Going without a ground wire if the light switch has a screw for a bare ground wire but your electrical box doesnt have one youre ok just leaving that screw empty and connecting your other wires to the hot screws. If theres a screw inside the metal box connect the ground wire from the fixture to it. Leave the ground terminal disconnected. In many cases especially in older houses with metal boxes the metal box may be grounded even if you dont have a ground wire. 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. In this article well show you some house wiring basicshow to position outlet and switch boxes and run the electrical cable between them.
Is it common for an installer to put in light switches without attaching the ground wire. Photo shows back of the metal box it looks like ground from the romex is screwed to the back of the box. If the box is metal then attach the fixture ground wire to the box. Light fixtures and the ground wire. If not look for a screw hole in the box. Can i tuck the green wire from the new dimmer switches under the same screws that the romex grounds are in at the back of the box.
If the box is metal and the cover plate is not metal it is optional but best practice is to connect the ground. Plastic boxes and flexible nonmetallic cable commonly called romex put electrical wiring projects within the skill range of every dedicated diyer. Never cut the ground wire off. They are paid by the device not by the hour. What to do when there is nothing to attach the ground wire. When you have a ground wire and there is no place to attach it then place a wire connector over the end coil up the ground wire and push it back into the electrical junction box.
Ground wires and ungrounded fixtures and boxes. 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. 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. The preexisting switches have no ground wire connected. It must be connected to this terminal not to the load terminal or the gfci wont offer any protection. Disconnect the neutral wire which is white and connect it to the chrome line terminal.
Putting a screw in an electrical box can be a pain. You can put a short 8 32 machine screw in the hole then connect the ground wire to that screw. Replace the outlet and put a label on it that reads no equipment ground.