Question about Pass & Seymour #T603WV 600W White 3WY Toggle Dimmer

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We can't figure out which is positive and which is common.

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If I understand correctly, you are trying to identify wires inside a 3-way switch box?

Common wire is the wire that connects to dark-colored screw. Before taking wires off 3-way switch, it is customary to mark the common wire.

If you already have switch out and can't remember which wire went to dark colored screw I suggest you put old switch back in place and try the wires on different screws until both 3-way switches work correctly. Don't worry, circuit simply doesn't work if wires are placed on wrong screw.

You may also be trying to identify Hot and Neutral wires.

Hot is usually black, Neutral is usually white.

Here's how to test. Separate wires. Turn on power. Use ordinary tester. Tape tester leads to wood sticks so hands are away from power. Test each wire to bare ground wire. Tester lights up on Hot wire. Next, test Hot wire to each wire (except ground). Tester lights up on Neutral.

Posted on Oct 03, 2010


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

A 6ya expert can help you resolve that issue over the phone in a minute or two.
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Posted on Jan 02, 2017


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