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Old 12-17-2010, 08:00 AM   #1
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3-ways control half of a receptable


Looking for a wiring diagram (or worded explanation) that shows how to use a pair of 3-way switches to control the top half of a receptacle, but the bottom half of the receptable is hot all the time.

I have tried to come up with a solution, and the only one I can come up with would have a 4-conductor + ground cable running between the pair of 3-way switches. The extra conductor would be used to power the hot half of the receptacle.

Or is this better done with a branch 2+1 cable going from the first switch to the hot half of the receptacle?

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Last edited by bw777; 12-17-2010 at 08:11 AM.
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Old 12-17-2010, 08:20 AM   #2
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3-ways control half of a receptable


Not necessary to have 4 conductors between the switch boxes. 3 wire cable between the switch boxes, 3 wire cable from one of the switch boxes (call that switch A) to the receptacle. 2 wire feed into switch A.

At switch A connect the white feed to the white to the receptacle, connect black feet to the black to the receptacle and to the common of the switch. Connect the red to the receptacle (switched hot) to the return lead coming back from switch B.

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Old 12-17-2010, 08:33 AM   #3
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3-ways control half of a receptable


You are attempting to put the power in one switch and the receptacle at the other switch. That is why you need four wires. Don't do it that way. Put power and receptacle connection at the same switch or put power and switch connections at the receptacle.
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Old 12-17-2010, 09:39 AM   #4
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3-ways control half of a receptable


Got it! Thanks.
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