Wiring electric switch with red white and blue wires?

by rbhat   Last Updated August 01, 2020 14:21 PM

I’m replacing this broken double electric switch 1 with this new switch 2

As you can see from the old wiring, the blue and red wires are connected to one side of the switch, the black wire is connected to the other side, and the white wire is not connected to anything.

I don’t trust whoever did this installation, so I go to the experts.

How do I wire this switch correctly?



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