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Klein Tools - For Professionals Since 1857

Klein Tools® Launches GFCI Receptacle Tester with LCD

Feb. 23, 2021 (Lincolnshire, Ill.) – Klein Tools (, for professionals since 1857, introduces the GFCI Receptacle Tester with LCD, to detect common wiring problems, display voltage and inspect GFCI’s including time to trip breaker.

GFCI Receptacle Tester with LCD (Cat. No. RT250)

  • GFCI Receptacle Tester features a large backlit LCD readout of voltage and clear indication of wiring conditions
  • LCD readout shows the time required to trip a GFCI device
  • Detect and identify common wiring faults
  • Patent pending detection of Open Neutral/Open Ground wiring fault
  • Auto-Hold is convenient for hard-to-reach outlets
  • Bright green and red LEDs illuminate for visual indicators
  • CAT II 135V safety rating
  • For use on 3-wire, North American 120V electrical outlets only


“The RT250 was designed with unique features to make testing electrical outlets safer and easier,” said Sabrina Kalsi, product manager at Klein Tools. “The RT250 features auto-hold, which keeps the reading on the screen so that users can remove the tester to view the display. This saves time and effort when working with receptacles in orientations with limited sight lines. An additional safety test includes the amount of time to trip a GFCI device, a feature not often found in GFCI testers at this price point.”

For more information, visit or search for #NewKleins on social media.

About Klein Tools

Since 1857 Klein Tools, a family-owned and operated company, has been designing, developing and manufacturing premium-quality, professional-grade hand tools. The majority of Klein tools are manufactured in plants throughout the United States and are the No. 1 choice among professional electricians and other tradespeople. For more information, visit

Klein is a registered trademark of Klein Tools, Inc.

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PDF icon 2021.02.23_receptacletester_release.pdf219.58 KB

Media Contact:
Klein Tools Marketing Team
Office: 847.821.4145

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