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charlesh 02-22-2011 01:32 PM

Need help with 4 way switch
I have two 3 way and one 4 way switch. I have simply replaced the old ones with new decorative ones and now they stopped working properly.
3 way switch works only if 4 way switch is turned on.
What could i have done wrong?

Jim Port 02-22-2011 01:37 PM

Somewhere you have transposed a wire. On the 3w one screw should be an odd color. You also need to pay attention to the pairing on the 4w switch. Sometimes it is top/bottom, others are left/right.

You can see if the 3w's work properly by removing the 4w and wire nutting the cable thru the 4w box.

charlesh 02-22-2011 01:48 PM

thanks Jim.
I know the problem is with 4 way. Since everything worked fine when I replaced 3 way switch. One wk later, I replaced the 4 way switch and this problem started.

Jim Port 02-22-2011 02:20 PM

Try to see how you have the travellers from each cable paired. Switch to another combination, but keep the pairs together.

jbfan 02-22-2011 03:39 PM

Some 4 way switch switch top to bottom, and some side to side.
Look at the diagram for the switch you installed and pair the wires to the diagram.

davido30093 02-22-2011 04:45 PM

1 Attachment(s)
Take a look at this drawing and see if it helps any.

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