Fluke ST120 Socket Tester

Features and Specifications

• Rated operating voltage: 110 V ac to 125 V ac
• Wattag:e 0.3 W
• Frequency: 50/60 Hz
• GFCI Test: Yes
• Indicator Lights: 1 red, 2 green LEDs
• Rating: 300 V CAT III
• Warranty: Two years

ST120 Overview

The ST120 Socket Tester provides a way to examine the functionality of GFCI outlets. By simply pressing the GFCI test button, the operation of your outlet can be confirmed. Once plugged into the socket, the vivid LEDs allow you to check for proper wiring or detect usual wiring issues in both standard and GFCI outlets. If the GFCI activates as anticipated, great, you can proceed. However, if it doesn't, further inspection is required.

ST120 Series Features

• Simple operation
• Integrated GFCI test
• Handy chart identifies wiring conditions
  • Correct installation
  • Open ground
  • Open neutral
  • Open hot
  • Hot/neutral reversed
  • Hot/ground reversed

The Fluke ST120+ GFCI Socket Tester with beeper and the ST120 GFCI Socket Tester are designed to ensure that all wires in an outlet are correctly linked to the building's electrical grid. With the help of vivid LEDs and an accompanying chart displayed on the tester's front, you can swiftly and effortlessly confirm an outlet's wiring. These testers are capable of detecting a variety of typical wiring mistakes, such as inverted phase and neutral wires, as well as an open ground, providing you with assurance.

What's in the Box

• ST120 Socket Tester