@hidden_systems_19: Two switches, one light — and neither one is ON 💡 Each stairway switch just picks one of two wires. Same wire = light on. Different = off. Did you know? 👇 Sources: Wikipedia (Multiway switching), Family Handyman #howitworks #electricity #lightswitch #fyp

Hidden Systems
Hidden Systems
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Sunday 18 October 2026 14:47:08 GMT
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