Posted: April 5, 2020
This is not the same as learning in the shop, but because of the cicumstances, we'll have to do the best we can. Check out a few really good You Tube videos
"Best 3 way switch explanation ever"
Then have a look at "Four way switching explained -How to wire 4 way intermediate light switch"
Call me if you have any Questions
Email me at Robert.Hembrough@nbed.nb.ca