The ST120 socket tester with a GFCI test button from Fluke is a great introductory socket tester for home electricians and anyone wanting to quickly and easily test outlets. The bright, easy to read LEDs provide you with the information you need to easily recognize a miswired outlet. Plus, using the included table, you know how the outlet is miswired so you can repair it. The integrated GFCI test button gives you peace of mind by being able to individually check the GFCI trip function at your outlets, ensuring that they work as intended. The rugged yet compact design of the ST120 make it easy to carry with you to every job.

Fluke ST120 GFCI Socket Tester Without Beeper
$10.00
Integrated GFCI test button to verify the correct operation of GFCI equipped outlets Bright LEDs for fast, easy identification of miswired outlets Compact, rugged design for use at every job Eliminate multiple trips back and forth by using the beeper to help identify if breaker is switched on or off
robert –
reliable tester for checking GFCI outlets. easy to use, and I like that it doesn’t have a beeper.
linda –
works perfectly for testing GFCI outlets. it’s accurate and easy to use. highly recommended!
tom –
a great tool for electricians. no fuss, just a solid tester. it gives me the confidence that my outlets are safe.
jenny –
I like the simple design and function of this tester. it does exactly what it promises. no beeping, just visual indicators.
tim –
this tester works as expected. it’s compact and easy to carry around, making it great for quick checks.
lisa –
great value for the price. it’s a simple, no-nonsense tool that works every time. easy to understand readings.
rick –
very straightforward to use, and the build quality feels solid. I use it regularly for my electrical work.
mark –
love this tester. it’s very easy to use and doesn’t give me unnecessary alerts like other testers with beepers.
emily –
no complaints about this tester. works reliably every time I use it to check my outlets.
chris –
it’s a no-frills tester that gets the job done. I appreciate the clarity of the indicator lights.