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Old 01-15-2017, 10:01 PM   #21
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Smile Carter System 3-Way Wiring

Quote:
Originally Posted by 480sparky View Post
You can service them all you want. I'll replace them instead.
The knob & tube wiring for the chandelier above the stairway has 1 wire running to the top of the stairs and one wire running to the bottom of the stairs.

Replacement will require getting behind wainscoting, fishing plaster & lath for days. Then you'll never match the texture of the plaster even if done by a pro.

One of the 3-ways is still a push button
Has worked fine since 1890's

Customer obviously has no interest in taking on this project :-)




Problems:
1. Switching neutral not since 1923 allowed
2. 1/2 of the time the shell of the lamp socket is hot
3. Cannot be dimmed
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Old 01-15-2017, 10:49 PM   #22
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8 year old thread.
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Old 01-15-2017, 10:54 PM   #23
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I do understand why a Carter 3 way is illegal that is a no brainer. The Coast 3 way in a conduit with all of the circuit conductors in 1 conduit I just see the problem with it.

As a matter of fact I use the Coast between the house and the garage because I have different sections of the garage on different switches but all on 1 lighting circuit and a 3 way switch that I can turn some lights on and off from the house.

I just can't see the problem with a conduit install.

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Last edited by Lone Crapshooter; 01-15-2017 at 10:56 PM.
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