Fluke ST120 GFCI Socket Tester

Fluke ST120 GFCI Socket Tester


Available on backorder

UOM: EA SKU: ST120 Categories: , , ,


Fluke ST120 GFCI Socket Tester

The Fluke ST120 GFCI Socket Tester:

Fast visual identification of all 6 wiring conditions:

  1. Correct installation
  2. Ground Open
  3. Neutral Open
  4. Hot Open
  5. Hot/neutral reversed
  6. Hot/ground reversed

Also available with Beeper: ST120+ GFCI Socket Tester with Beeper


  • Simple operation:
        • Plug into socket
        • Use the bright, easy-to-see LEDs to verify correct wiring or identify common wiring problems
        • Works on both standard and GFCI outlets
  • GFCI outlets–with an integrated GFCI test, you can feel secure knowing that your GFCI equipped outlets are functioning properly
  • Check that each wire in the outlet properly connected to the building’s electrical system
  • Via the bright LEDs and included chart, quickly and easily verify the wiring of an outlet
  • Able to identify several common wiring errors, including reversed phase and neutral wires and an open ground
  • One-button GFCI tests
  • 3 Bright, easy-to-see LED indicators lets you see, at a glance, one of six wiring scenarios
Specifications: Fluke ST120 GFCI Socket Tester
Rated operating Voltage: 110 – 125 V AC
Wattage: 0.3 W
Frequency 50/60 Hz
GFCI test Yes
Indicator lights 1 red, 2 green LEDs
Rating CAT III 300 V
Warranty Two years

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Additional information

Weight 1 lbs
Brand Name


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