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Old 07-29-2010, 10:15 PM   #1
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Keep blowing breaker can't figure out wiring


I have to open ceiling boxes for lights, and a switch, the first box has black and white line into it live feed. It also has three lines out of this box to the next box, red white and black, and the sec one book has a black and white that go to switch, everytime I try to hook things up I blow a breaker. The plan is to turn on switch and it turns on both over head lights, any answers please?
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Old 07-29-2010, 10:26 PM   #2
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You've learned your first listen in electric, If you're not absolutely sure about what you're doing, take pictures and/or label the wires before taking things apart.

If what you are describing is correct, what you need to do is:

First box:
Connect the black wire coming in (live feed as you said) to the black wire going out to the second box
Connect the white wire coming in (live feed) to both the white wire going out to the second box and the white wire on the light fixture
Connect the red wire going out to the second box to the black wire of the light fixture

Second box:
Connect the black wire coming in from the first box to the white wire going down to the switch, tape that white wire black.
Connect the white wire coming in from the first box to the white wire on the light fixture.
Connect the red wire coming in from the first box to both the black wire going down to the switch and the black wire on the light fixture.

Switch box:
Tape the white wire black, put both the black and the re-identified black wires on the switch.
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Old 07-30-2010, 09:23 AM   #3
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Your wall switch may already be clobbered.

Until you get this sorted out put an incand. lamp in series with the breaker using a lamp socket with pigtail leads. 120 v across this lamp indicates that you still have a short.

When things are working right, if your two controlled bulbs add to 100 W and the test bulb is 100 W then the test bulb will have roughly 60 vac across it.

Last edited by Yoyizit; 07-30-2010 at 09:35 AM.
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