Two Switch Light Diagram. Also included are wiring arrangements for multiple light fixtures controlled by one switch, two switches on one box. Two-way switching lighting circuit (Two extreme switches Aller-Retour).
Selector switch lighting circuit - Analytical diagram.
Normally, two or three switches that control one light are switches that are SPDT (single-pole, double-throw), unlike the simple one way switch Here is a good description with diagrams: Multiway switching - Wikipedia..
Two way switching means having two or more switches in different locations to control one lamp. Here we are using a simple PLC to control this lamp using two switches, one. Connect two pig tails (a pig tail is a short piece of wire) to the black of the incoming power with a wire nut.






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