Installing of two 3-way and two 4-way switches controlling lamp from 4 location

 

A light or lights can be controlled by more than one switch. The usual practice in home construction is to use 3-way switches. "3-way" is the electrician's designation for a single pole double throw (SPDT) switch. In this video, we Installed two 3-way and two 4-way switches controlling lamp from 4 location. We passed the activity/practical through hard work and team work.