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Alex, Master Electrician
Category: Electrical
Satisfied Customers: 1783
Experience:  Owner of independent electrical contracting company. Licensed Electrical Contractor in CT.
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I'm' installing a dimmer. The existing switch had three

Customer Question

Customer: I'm' installing a dimmer. The existing switch had three wires plus a ground wire. Two were stuck in the holes in one was screwed on. I can't push one in the hole on the new dimmer, can I screw it instead? Do I need all 3?
JA: Thanks. Can you give me any more details about your issue?
Customer: like whawt
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Submitted: 2 years ago.
Category: Electrical
Customer: replied 2 years ago.
Can I turn the electricity back on while waiting with everything half connected to the new dimmer so I can get power back to the fridge? What do I do with the third wire if I don't connect it to the new dimmer? If a wire is connected to the push in hole on the old dimmer does it matter if I attach it to the screw instead on the new dimmer, and vice versa?
Expert:  Alex replied 2 years ago.

How many screws did existing switch had?

Customer: replied 2 years ago.
Two screws, two holes, just like the new one
Expert:  Alex replied 2 years ago.

Do you remember which 2 wires together?

Customer: replied 2 years ago.
Expert:  Alex replied 2 years ago.

Then this is what you need to do. 2 wires that were together splice them to each other and add black pig tail ( short piece of wire to the splice. Connect the other end of pig tail to one of the brass screws on the dimmer. Connect remaining black wire to the remaining brass screw on the dimmer.

Expert:  Alex replied 2 years ago.

Let me know how it goes

Customer: replied 2 years ago.
I do think have a pig tail. Where do I get it.
Expert:  Alex replied 2 years ago.

does your new dimmer have back stub holes as well as screws?

Expert:  Alex replied 2 years ago.

If yes then you can push one wire in the hole and put another wire under the corresponding screw and tighten the screw

Expert:  Alex replied 2 years ago.

Let me know how it goes.