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backfed 3-way #153775 11/25/03 10:33 AM
Joined: Mar 2002
Posts: 179
D
derater Offline OP
Member
Did the service,etc. for a modular;there is a 3-wire that comes up from switch below to attic and I think it gets wired through the
attic light(s)and then to 2nd 3-way;how to do this?

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Re: backfed 3-way #153776 11/25/03 06:45 PM
Joined: Oct 2000
Posts: 5,389
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sparky Offline
Member
derater, where is the feed?

Re: backfed 3-way #153777 11/25/03 08:41 PM
Joined: Mar 2002
Posts: 179
D
derater Offline OP
Member
Sparky; if it's like the one in the base.,it's fed at 3-way w/ power tied to black of 3-wire and whites nutted;existing light on "common" of 3-way;white of three wire painted red(to denote power coming back?)I need to complete attic cicuit w/ another in attic.Has existing light at bottom of stairs.Hope that explains it.

Re: backfed 3-way #153778 11/26/03 07:35 PM
Joined: Oct 2003
Posts: 147
C
crash Offline
Member
If the white wire on a three-wire cable is painted red then it is probably a traveller. The three-wire cable would contain one hot condutor (black) and two travellers (red) and no neutrals. You would not be able to feed a second light off this cable. How many cables and how many wires are in each cable at the existing light and switch?


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