One is the grounding screw that is green, and the other three are part of the circuit. Turn the power back on and go to the 3. To do this, put a piece of tape.
I have an old three way switch (from the 60s or 70s). It looks like
Best of all, they are easy to install.
It Works By Disrupting The Flow Of.
Two of them are traveler terminals, and. Notice that the wire connected to the com terminals is looped straight through the intermediate. Review home electrical safety tips and ensure you have the proper electrical.
The Order Of The Other Two Don't Matter.
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