That cable's white wire is also connected to the switch and runs back to and is connected to the light. Flipping the switch interrupts the flow of electricity, and the switch does its job.

Trump weighed in on the controversial topic as Congress considers whether to keep the current system or switch to either ...

Back when he was first starting out in electronics he built this infrared-controlled light switch that works with a standard TV remote control. [Vadim]’s first few projects ended up as parts for ...