Light Switch No Ground

If the switch plate is metallic then the swicth plate must be earthed via the earth terminal on the switch.

Light switch no ground. Light fixtures and the ground wire 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. Sunday december 9 2018 light switches have been required to be grounded since the 1999 edition of the national electrical code. If your light switch spark box is made of metal it s likely that the bare copper ground wire you re looking for is wrapped around the wiring cable s sheath and held in place by the clamp holding. If the box is metal then attach the fixture ground wire to the box.

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. Here s why you normally want a ground and what your options are for a light switch without ground. Remove one of the long screws that holds the fixture in place. I prefer to remove wires in stab in the back devices by crushing the switch with my t g pliers that way nobody is tempted to put the switch back in service.

If switch plates are plastic with no earth terminal the metallic backbox is earthed via the earth terminal screw on it. Nosparksplease nov 28 19 at 22 49. The missing ground terminal on the old switches versus what you find on new switches reflects progress in nec and ul standards. Lighting circuits pre 1966 did not have earth or circuit protective conductor no metal light switches or light fittings can be fitted unless marked as class 2 which is double insulated upgrade of the wiring would be twin and earth from the consumer unit to each ceiling rose and each switch this would be like a rewire for the lighting circuits lifting floorboards and chasing down walls to switches unless lucky enough that conduit is in the wall allowing new wiring to be pulled up.

Wrap the wire around the screw then cinch the nut down to hold it. For a normal light switch the ground is a safety feature not necessary for operation. Last and least if there s no screw present in the box to connect a ground wire and no place to put a screw here s a workaround.