The on/off button can remain depressed during the power on or power off cycle, causing the tester to work improperly. Consumers testing electrical sources could fail to be warned of the presence of ...

Voltage tester, tick-tracer, glow-tip, non-contact voltage tester... whatever. Same thing. I call it a voltage sniffer, but the technical name for this device is a capacitive voltage sensor. That's a ...

Voltage testers shouldn’t help send electricity flowing into the user. That’s why Klein Tools recalled about 1,757,000 Non-Contact Voltage Testers in the United States and Canada. The exact problem, ...