The Fluke ST120+ GFCI Socket Tester with Beeper checks that each wire in the outlet is properly connected to the building's electrical system.
| Manufacturer part number (MPN) | 5310334 |
| Brand | Fluke |
| Category | Tools |
| Frequency | 50/60 Hz |
| Integrated, switchable beeper | Yes |
| GFCI test | Yes |
| Indicator lights | 1 red, 2 green LEDs |
| Rating | CAT III 300 V |
| Warranty | Two years |
| MOQ | 1 |