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Any reason theres 4 wires into the common and just one light? (Complete beginner) : r/DIYUK
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TP Link light switch wire instructions installation - YouTube
Wiring a 4-Way Switch (DIY)
Wiring a 4-Way Switch (DIY)
wiring - 4 black wires for light switch - Home Improvement Stack Exchange
Wiring a 4-Way Switch (DIY)
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My smart switch has 4 wires coming from it: a black wire, a blue wire, a white wire, and a green wire. My wiring in the installation spot is black, white, and
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electrical - How can I eliminate some of the switches in a 4-way circuit? - Home Improvement Stack Exchange
