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Old 04-20-2010, 12:09 PM   #16
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3 way wiring problem


Is this what you tried?

Note that white wires need to be re-marked black when they are not neutrals.
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Old 04-20-2010, 01:33 PM   #17
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3 way wiring problem


Quote:
Originally Posted by BillG View Post
Hot wire black is connected to the outlet black (wire going to outlet), 3 way common, and the single pole switch.

Black wire to fixture is connected to the 3 way black - no other connections for these wires.

3 way red is directly above the common on the 3 way switch.

3 way white is on opposite side of red on the 3 way switch

All other whites are tied together

Grounds tied together and pigtailed to each switch


OTHER SWITCH (end of run - only three way enters)
black to common
red above black
white opposite red
ground opposite common
When I tried to diagram what you described here, I came up with the correct wiring for the 3-way... and you even said it worked with the far switch, but failed (tripped a breaker) on the near switch.

Quote:
Originally Posted by BillG View Post
Hot wire black is connected to the outlet black (wire going to outlet), 3 way common (white 3 way), and the single pole switch.

Black wire to fixture is connected to the 3 way black and is on 3 way switch opposite red 3 way wire

3 way red is directly above the common on the 3 way switch.

All other whites are tied together

Grounds tied together and pigtailed to each switch


OTHER SWITCH (end of run - only three way enters)
white to common
red above white
black opposite red
ground opposite common

This situation resulted in the breaker not being able to be switched on.

Any ideas?
The simple fact that you've got the same wire tied to BOTH commons indicates this setup is WRONG!!!




Here's a few ideas... the near side 3-way switch is faulty. After all, it worked correctly with the 1st description with the far side switch, but not the near side switch. What if you go back to the 1st description and swap 3-way switches... does the problem follow the switch?

Here's an even better idea... lets do this one thing at a time so that we don't have so many wires complicating matters... Try this:

Disconnect EVERYTHING!
On the near side:
Connect the HOT to the 3-way white.
Connect the Black for the light to the 3-way common.
Connect the white from the breaker to the white of the light.
Connect the 3-way black and 3-way red to the 3-way travellers.

On the far side:
Connect the 3-way white to the Common.
Connect the 3-way black and 3-way red to the 3-way travellers.

See if you can control the light with the 3-way switches now. If not, you either have a broken wire, a faulty switch, or miswired on of 7 wires.

Once you've got the 3-way working, then start adding wires to power the outlet and the other light.
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Old 04-20-2010, 02:09 PM   #18
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3 way wiring problem


Possible problems in order of my suspicion.
The ground wire is twisted up in the box and shorting one of the screws.
The 14/3 cable is clamped too tight and is shorting one of the travellers to ground.
Some other damage to 14/3 cable is causing a short to ground.
You don't have a three way switch and are using the green ground screw as a traveller connection.
The cables are not as you suspect.

Does the porch light work?
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Old 08-21-2010, 10:51 PM   #19
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3 way wiring problem


First off I apologize if I am doing this wrong, it is my first time. Joed you replied with a diagram on april 19. I have a similar wiring configuration. Is there any way to grab power from switch #2 to power another pair of 3-way switches with fixtures in between? I have a two gang box with switch #2 wired up, an unpowered 14/2 and an unpowered 14/3. I want to power the 14/2 and add another 3-way for the second light run.
Sure hope you can help.
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Old 08-22-2010, 08:58 AM   #20
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3 way wiring problem


NO. You can not grab power from switch #2. There is no neutral in that box. You will need to bring power into the box via one of the cables you have or a new power source.

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