which one is the "common" wire - HOT or NUETRAL??

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  #1  
Old 06-11-03, 04:36 PM
simimi
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which one is the "common" wire - HOT or NUETRAL??

I am replacing several 3 and 4 pole switches and the connections on the back of the switch are labeled "common". Is that the HOT (Black) wire or the White wire that should connect there?

I think I have it figured out, but cannot translate Common to Hot or Neutral.

Thanks in advance,

Mike

note. the answer below did not realy help. The old switches were not labeled common or anything else. I have the switches working, I was just trying to equate Common to the labels a book uses, they use HOT and Neutral.

Mike
 

Last edited by simimi; 06-11-03 at 07:31 PM.
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  #2  
Old 06-11-03, 05:49 PM
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Common is the common. It should be connected the common on the new switch. It is not any specific color. It depends on how the 3way or 4way switch was wired.
 
  #3  
Old 06-11-03, 07:50 PM
DaveB.inVa
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Common is the terminal that is common to the other two screws depending on what position the switch is in.
Like in a 3 way switch. The oddball screw is common with one brass screw when the switch is in on position and common with the other when she switch is in the other position.

You should ALWAYS switch the hot wire, dont let this "common" term confuse you. Switching the neutral is dangerous.
 
  #4  
Old 06-12-03, 05:58 AM
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And white wires are not always neutral. This is especially true on switches.
 
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