how 3 way switch works?
How does a 3 way switch work diagram?
" 3 - way " is the electrician's designation for a single pole double throw (SPDT) switch. The switches must create a complete circuit for current to flow and the bulb to light. When both switches are up, the circuit is complete (top right). When both switches are down, the circuit is complete (bottom right).
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What does a 3 way switch do?
A three - way wall switch is a common type of light switch that makes it possible to control a ceiling light or other electrical fixture from two different locations in a room. ... Three - way switches are always used in pairs and include special wiring connections. Sep 17, 2020
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