Dimmer-aluminum Ground Along With Existing Copper Ground. - Electrical - DIY Chatroom Home Improvement Forum

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Old 09-24-2009, 08:04 PM   #1
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dimmer-aluminum ground along with existing copper ground.

Just installed two dimmers side by side in a double wall box. They work fine. Each dimmer has a ground wire. I want to wind both ground wires (aluminum) around one screw located on the left side of a metal plate at the back of the wall box. The wall box already has a copper ground wire wound around a screw on the right side of the same metal plate at the back of the wall box. I don't think this would be a problem but want to be sure.
By the way I have other copper to aluminum wires marrited with the correct connectors. I just want to know about the ground wires. Thanks.


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Old 09-24-2009, 08:29 PM   #2
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The wire from the dimmer is not aluminum if the dimmers are new.

You can only put one wire under a screw. Join the 2 dimmer grounds to a short piece of copper and then attach the copper to the new ground screw.


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Old 09-25-2009, 06:43 AM   #3
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You are confusing a tinned copper conductor with aluminum.

That ground wire that comes attached to the dimmer is copper, and can be safely wire-nutted to a copper pigtail from the box green screw.

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