FLUKE ST120+ GFCI Socket Tester with Beeper

• Simple operation – Plug into socket; with the bright, easy-to-see LEDs, verify correct wiring or identify common wiring problems in both standard and GFCI outlets
• Save time – Eliminate multiple trips back and forth by using the beeper to help identify if breaker is switched on or off.
• GFCI outlets–with an integrated GFCI test, you can feel secure knowing that your GFCI equipped outlets are functioning properly.