Four Way Light Switch Working Principle 3D Animation

via
In building wiring, multiway switching is the interconnection of two or more electrical switches to control an electrical load from more than one location. A common application is in lighting, where it allows the control of lamps from multiple locations, for example in a hallway, stairwell, or large room. source/image(PrtSc): The Engineering Mindset How to wire 4 way light switch and intermediate...
https://ift.tt/36B7m5x