This now-obsolete wiring method has been prohibited by the USA National Electrical Code since even in new knob-and-tube installations which are still permitted under certain circumstances. An optional receptacle can be connected at Terminal B, since that terminal is always live. Hidden categories: Retrieved As ofmultiway switching in residential and commercial applications is increasingly being implemented with power line signalling and wireless signalling techniques.
These switches appear externally similar to single pole, single throw SPST switches, but have extra connections which allow a circuit to be controlled from multiple locations.
3 Way Switch Wiring Diagram
If in doubt, hire it out. And of course the neutral will always go directly to the load. Switches or circuit breakers shall not disconnect the grounded conductor of a circuit. Think of your staircase or hallway. In other projects Wikimedia Commons.