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-   -   3 wire lighting (https://www.askmehelpdesk.com/showthread.php?t=737059)

  • Mar 2, 2013, 07:03 PM
    LOFAT36
    3 wire lighting
    I have just removed a ceiling light/fan in the dining room (no dimmer switch) to replace with a Pendant light. The box wires are black 2, white 2 & one red and ground, as it's in conjunction with other lights. The new light has black, white & ground. When I hook up the 3 blacks with the Red & 3 whites together and flip the breaker (grounded of course) the light comes on but will not shut off with the wall switch. The switch has the Red wire on top & Black wire at the bottom. What could be the problem ? Thanks, Marty
  • Mar 2, 2013, 07:10 PM
    ma0641
    How was the old light wired? Are there 2 switches or 1? Leave the blacks alone and connect the red to the light black, white to white. Now what happens?
  • Mar 2, 2013, 07:51 PM
    LOFAT36
    Only one switch controlled the fan light although it`s in a 3 switch box. Wires from the junction box in the ceiling are 2 black, 2 white & 1 red & ground. The new fixture has 1 black , 1 white & ground. The switch has red wired to the top & black wired to the bottom. I`ve tried swapping blacks & red and capping each one off. Sometimes I have power sometimes not. But when I get power the switch won`t turn off the light.
  • Mar 2, 2013, 07:53 PM
    LOFAT36
    [QUOTE=LOFAT36;3409667]Only one switch controlled the fan light although it`s in a 3 switch box. Wires from the junction box in the ceiling are 2 black, 2 white & 1 red & ground. The new fixture has 1 black , 1 white & ground. The switch has red wired to the top & black wired to the bottom. I`ve tried swapping blacks & red and capping each one off. Sometimes I have power sometimes not. But when I get power the switch won`t turn off the light. The blacks are the same colour not lighter or darker.
  • Mar 3, 2013, 08:28 AM
    hkstroud
    Quote:

    The switch has red wired to the top & black wired to the bottom.
    Are those wires in the same cable? If those wires are in the same cable, what is the white wire in that cable connected to?
  • Mar 3, 2013, 08:59 AM
    LOFAT36
    Thanks for your reply. Are you talking about the wires on the switch itself ? Thanks, Marty
  • Mar 3, 2013, 09:20 AM
    LOFAT36
    Thanks for your reply. Are you talking about the wires on the switch itself ?Currently at the fixture I have 1 black capped and the other black attached to the red. With the power on now if I turn the switch to off it puts out the power on my entry light & porch light. Thanks, Marty
  • Mar 3, 2013, 02:50 PM
    LOFAT36
    Okay my problem has been solved thanks to a neighbour. Suffice to say one of the white wires was hot ? Anyway I may be back when I go to install the light/fan in the spare bedroom. Thanks, Marty
  • Mar 3, 2013, 03:40 PM
    ma0641
    Quote:

    Originally Posted by LOFAT36 View Post
    Okay my problem has been solved thanks to a neighbour. Suffice to say one of the white wires was hot ? Anyway I may be back when I go to install the light/fan in the spare bedroom. Thanks, Marty

    Hot on a white is acceptable IF it is marked with black tape or a marker. Normally it is used in a switch loop and white is the hot to the switch.
  • Mar 3, 2013, 06:27 PM
    LOFAT36
    Quote:

    Originally Posted by ma0641 View Post
    Hot on a white is acceptable IF it is marked with black tape or a marker. Normally it is used in a switch loop and white is the hot to the switch.

    Thank you, Marty

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