05:03PM | 01/30/06
Member Since: 12/15/02
10 lifetime posts
From what I have read it seems that using 3 wire cable is the only way to wire a 3 way switch? is that correct?

The order: source > switch > light > switch

Thanks in advance! I'm pulling my hair out!

If 3 wire is the way to go, do i just get 12-3?


04:49AM | 01/31/06
Member Since: 04/25/05
1916 lifetime posts
Yes, you need 3 wire cable (plus ground). Use 12-3 or 14-3 depending on whether it is a 20 or 15 amp circuit.

This shows all of the different combinations of 3-way wiring.

The one that you mentioned is the last link.

Note that the white from the light to the 2nd switch is not a neutral and needs to be "remarked" by putting black tape on it.

Also the ground connections are not shown.


06:21AM | 01/31/06
Member Since: 12/15/02
10 lifetime posts
Thank you.

Now the second part is that I want to have 2 switches in the box (box#1).

Switch #1 - a single pole switch that goes to light #1

Switch #2 - the 3 way switch that goes to light#2, which is in turn controlled by the 2nd 3 way switch (we'll call it box2)

What i don't know how to do is connect the power between the 2 switches in the box#1 (b/t the 3 way and the single pole).

Thanks so much

doug seibert

08:03AM | 01/31/06
Member Since: 08/10/02
843 lifetime posts
This box contains the power feed......

This box has a power feed cable in and two cables out....12-2 for light #1 and 12-3 for Light #2......

Connect all three white wires together with a wirenut.......

Connect TWO black pigtails to the BLACK power feed with a wirenut...... and connect one to each switch.....(either screw on switch screw on switch #2.....)

(OK.....Actually I like to leave the Power/Black wire looong and feed both switches with the same length of wire.....cut the insulation to expose the copper and 'slide' the insulation about 1/2".....loop around one switch/screw and continue to feed the next switch/screw.....)

Connect the Black wire from Light #1 wire to switch #1 remaining screw.......

Connect the Red and Black wires(travelers) from Light #2 to the remaining screws on switch #2.....(either position does'nt matter)


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