Image of Klein GFCI Receptacle Tester with LCD RT250. This is a close-up shot of an orange and black electrical tester with two prongs extending from the top. The device has a digital display screen showing numerical readings and text labels like "GFCI" and "CORRECT", with buttons labeled "TEST" and "PUSH TO RESET".
Klein GFCI Receptacle Tester with LCD RT250 features. This is a product advertisement for an orange and black electrical tester, featuring a close-up of the device with text callouts highlighting its features. The tester has a digital display screen, buttons labeled "TEST" and "PUSH TO RESET", and green and red LEDs, with text emphasizing its use on North American 3-wire 120V outlets and its ability to provide clear wiring condition indication.
Klein GFCI Receptacle Tester with LCD RT250 features. This is a product advertisement for an orange and black electrical tester, featuring a close-up of the device with text callouts highlighting its features and a list of wiring conditions it can detect. The tester has a digital display screen, buttons labeled "TEST" and "PUSH TO RESET", and text emphasizing its ability to show clear wiring condition indications, voltage, and GFCI trip time.
Image of Klein GFCI Receptacle Tester with LCD RT250. This is a close-up shot of an orange and black electrical tester with two prongs extending from the top. The device has a digital display screen showing numerical readings and text labels like "GFCI" and "CORRECT", with buttons labeled "TEST" and "PUSH TO RESET".
Klein GFCI Receptacle Tester with LCD RT250 features. This is a product advertisement for an orange and black electrical tester, featuring a close-up of the device with text callouts highlighting its features. The tester has a digital display screen, buttons labeled "TEST" and "PUSH TO RESET", and green and red LEDs, with text emphasizing its use on North American 3-wire 120V outlets and its ability to provide clear wiring condition indication.
Klein GFCI Receptacle Tester with LCD RT250 features. This is a product advertisement for an orange and black electrical tester, featuring a close-up of the device with text callouts highlighting its features and a list of wiring conditions it can detect. The tester has a digital display screen, buttons labeled "TEST" and "PUSH TO RESET", and text emphasizing its ability to show clear wiring condition indications, voltage, and GFCI trip time.
Klein Tools

Klein GFCI Receptacle Tester RT250 Backlit LCD Display Fault Detection Auto-Hold LED Indicators and CAT II 135V Safety Rating

Only 1 left
SKU: RT250
$24.97
Description

Accurate GFCI Testing with Visual Feedback and Fault Detection Technology

Ensure electrical safety and code compliance with the Klein RT250 GFCI Receptacle Tester, designed for electricians, inspectors, and contractors who need fast, reliable diagnostics. Featuring a large backlit LCD display, this tester provides real-time voltage readings and clearly indicates wiring conditions—including Open Neutral and Open Ground faults with patent-pending detection technology.

The RT250 also displays the time required to trip a GFCI device, helping verify proper protection in residential and commercial installations. Bright green and red LEDs offer visual confirmation, while the makes it easy to test hard-to-reach outlets without losing results.

Built for durability, the tester includes and meets . Whether you're troubleshooting outlets, verifying installations, or performing routine inspections, the Klein RT250 delivers the accuracy and convenience professionals demand.

Key Features

  • Backlit LCD screen displays voltage and GFCI trip time
  • identifies Open Neutral and Open Ground issues
  • retains readings for hard-to-reach outlets
    • What's Included
    • (1) Klein RT250 GFCI Receptacle Tester
    • (2) AAA Alkaline Batteries
    • (1) Instruction Manual

Specifications

Type GFCI Receptacle Tester
Application Detects wiring faults in 120V outlets
Voltage 135V AC
Safety Rating CAT II 135V
Drop Protection 6.6 ft (2 m)
Display Backlit LCD
LED Indicators Green and Red
Material ABS and Electrical Components
Power Source 2 x AAA Batteries
Length 4.5 in (11.4 cm)
Width 2 in (5.1 cm)
Height 1.1 in (27.9 cm)
Weight 4.8 oz (136 g)
UPC 092644693212

Built for Pros Who Test with Confidence

From residential outlets to commercial installations, the Klein RT250 delivers fast diagnostics, clear feedback, and rugged reliability. Add it to your cart today and upgrade your electrical testing toolkit with Klein’s trusted performance.


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