electrical - Can someone tell me what/how there are 4 wires on one switch and if they're necessary? - Home Improvement Stack Exchange
Good morning! Trying to do a simple swap from light switch to dimmer switch - but there are 4 wires on dimmer & 3 on current switch. Not sure which gets capped.
electrical - Remove 3-way switch from a 4-way circuit? - Home Improvement Stack Exchange
Help with 3 way light wiring. Wiring in a standard Eaton 3 way switch and not sure how to connect it to this 4 wire setup. : r/electrical
How to Wire a 4-Way Light Switch (With Wiring Diagram) - Dengarden
electrical - Replacing 2 wire switch with 4 wire switch, box has 3 wires. Help? - Home Improvement Stack Exchange
How to wire a 3 way switch with 4 lights? What are some examples - Quora