The box could overheat and start a fire or someone could get a shock from touching it. One of these is a two way gang switch which had a sleeved earth hanging about when i removed the switch so i attached this directly to the earth terminal on the chrome switch.
How To Wire A Switch Box Fine Homebuilding
How to ground a light switch in a plastic box. Never cut the ground wire off. 6 through the box. Ground wires and ungrounded fixtures and boxes. Box that had no bonding strip. If you cant do that or if your box is plastic wrap one turn of the ground wire around one of the screws that secures the switch to the box. There is a metal strap that then bonds the yokes of each device.
Just push the romex through until you have approx. Because they are plastic there is no need to attach a ground wire to it. In canada there are or should be ground screws inside the back of nm device boxes. Plastic boxes usually come with tapped screw holes for easy attachment of switches and outlets. The light switches in the loft conversion have plastic back boxes. If you cant connect the ground wire to the electrical box instead assuming its a metal electrical box.
Since it is made of a non conductive material switches and outlets cannot short out if they touch the side of the box. The usa and canada take different approaches to grounding in non metallic nm. The clips in the box are retainers for the nm cable. Connecting the ground wire to a metal electrical box will energize the box in the event of a short circuit. Strip the outer sheating back to with in 18 14 of the entry point. Cover for instance would not be grounded if mounted on a pvc.
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. You are not grounding plasticnot all switches have ground screw so how would the metal on the switch be grounded without being attached through the 6 32 to the bonding stripall our plastic and pvc boxes have a green screw attached to a strip which in turn is threaded and joined to one of the mounting holes for the devicesa metal wp. A modern residential light switchcosts less than 1. Plastic electrical boxes have their pluses and minuses. The clips do not substitute for fastening the wire to a stud within the code requirements iirc 8. Plastic or fiberglass device boxes.
Dont rely on metal sheathing or an exposed ground wire.
Gallery of How To Ground A Light Switch In A Plastic Box
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