Voltage Testing

AC Voltage Tester by Jefferson Tools.  • When it detects AC voltage, the detection indicator LED will flash red and the built-in buzzer will sound ...

Durable composite housing with rubber grip around handle for comfort and control. Designed to verify the presence of AC and DC current and with non...

Find short and open circuits quickly and easily. Simply attach the sender unit to the circuit and follow the wires using the detector. Ideal for au...

Handy compact unit, small enough to fit in your pocket, making it ideal for basic circuit testing whilst on the move. Features flip lid for added s...

Digital Multimeters by Jefferson Tools. 300V: • CAT III 300V Digital Multimeter• 3.5" digit LCD display (max. reading 1999)• Data hold function &am...