Question: what is the difference between a 2 way switch and a 3 way switch?
Answer: Originally Answered: What is the difference between a two and three-way switch? A two-way switch (2 connections to the switch, not including ground)turns lights on or off from 1 location only. A three-way switch (3 connections to the switch, not including ground) can turn lights on or off from 2 locations.