Off Switch

Off Switch
Off Switch
How to wire a 220v light (on/off) switch, which wires go where to which nuts?

I have a 220 v 20amp breaker the controls lighting in shop, want to add an on/off switch between the breaker and the lights so I can turn on the lights when I enter the shop; there are two hots (120v) lines and a ground to the light fixtures; my switch is a 20 amp switch with 2 load nuts and 2 line nuts(one each on each side of the switch); and one green ground nut; where do I attach the hots from the breaker to the switch and where do I attach the hots from the switch to the fixture and finally where does the ground wire from the fixture and from the breaker attach to the switch.....Thanks for the help!!

Connect the two hot wires from your panel to the line side (Screws) of the switch and the two "hot" wires from your light go to the load side of the switch. Connect all the ground wires together with a marrett (size333) and with a 4 inch piece of wire (pigtail) from that marrett, connect to the green screw on your switch. Connect all the white (neutrals) together with another marrett if there are any. Normally neutrals are not present in 220V circuits.

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Mike posted at 2005-10-15 Category: Computer Components