A light-weight tester is a tool used to examine if {an electrical} circuit is reside or not. It’s a easy device that consists of a probe with a light-weight bulb connected to it. When the probe is touched to a reside wire, the sunshine bulb will illuminate, indicating that the circuit is reside.
Mild testers are an essential security device for electricians and householders alike. They may also help to stop electrical shocks and fires by guaranteeing that circuits are de-energized earlier than work is carried out on them.
