Light switch connections

Old 02-01-04, 03:38 PM
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Question Light switch connections


I am trying to switch out a toggle on/off switch to a dimmer switch. The problem I am having is that there are 2 brown wires attached to the toggles switch ( one attached on the top and the other attached on the bottom-opposite side). Then there is a yellow wire attached to the other screw on the bottom. The 2 brown ones are attached to 2 copper/brass collored screws and the yellow is aatached to a black colored screw.

How do I determine which is the ground, the positive and the negative. I don not have any testers and the closest electrical store is 1/2 hour away.

Old 02-01-04, 05:21 PM
Join Date: Sep 2003
Location: Central New York State
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This sounds like a three way switch. However, you need to make sure before proceeding.

I recommend purchasing a tester. It's a good thing to have anyway. buy the kind with a neon light inside. This is more flexible than an outlet tester, and you can use it to test outlets.

However, anything that runs on 110 will work. You can use a regular lamp, just attach the wires to the plug. If you do this carefully this will work.

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