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Lighting Circuit not Working for Dual Dimmer Switch that Operates Several Lights

Posted: Sat Oct 31, 2015 5:39 pm
by Guygb1
I have a dual dimmer switch connected to two sets of spots lights. Each switch operates 5 lights. Each light has its own transformer.

We have suddenly found that one of the light switches does not work so that half the lights do not turn on.

I have changed the light switch but this makes no difference.

I have visually checked all the lights and transformers and nothing obvious appears out of the ordinary.

Any idea what the problem could be?