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Ceiling receptacle with white, black, red, and orange wires

Ceiling receptacle with white, black, red, and orange wires


  #1  
Old 12-07-19, 03:37 PM
J
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Ceiling receptacle with white, black, red, and orange wires

I am trying to figure out how to install a light to a ceiling receptacle. The light has one white, one black, and one bare wire. The receptacle has 3 black(twisted together) 3 white(twisted together), 2 red(twisted together) and one orange wires. Construction date was 1970, if that helps.
 
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  #2  
Old 12-07-19, 03:40 PM
J
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I would connect the light to the white bundle and the black to the lone orange.
 
  #3  
Old 12-07-19, 04:00 PM
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I would test for current between the white and orange first.
How is this light going to be controlled? By one switch or two or more?
I would also question the amount of room left to add more wires in that box. Seems it may be at capacity.
 
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Old 12-07-19, 05:24 PM
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I agree with Joed however...... that could be the start of a MWBC (multiwire branch circuit). You will need to check from black to ground (metal box) and red to ground to make sure ALL power is turned off. It's very possible that you could find two circuits there. If there were two circuits there..... opening the neutral (whites) could be hazardous.
 
 

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