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⚡ Test Smarter, Work Safer — The Pro’s Choice for Electrical Confidence
The Klein Tools RT250 is a professional-grade GFCI outlet tester designed for North American 3-wire 120V receptacles. Featuring a large backlit LCD, it delivers clear voltage readings, identifies common wiring faults including open neutral and ground, and displays GFCI trip times for precise troubleshooting. With a CAT II 135V safety rating, auto-hold functionality, and bright LED indicators, it combines advanced safety features with user-friendly design, making it an essential tool for electricians and serious DIYers committed to electrical safety and efficiency.
| ASIN | B08QW7K1JJ |
| Best Sellers Rank | 799,192 in DIY & Tools ( See Top 100 in DIY & Tools ) 936 in Circuit Testers |
| Brand | KLEIN TOOLS |
| Colour | Multi |
| Customer Reviews | 4.8 out of 5 stars 10,791 Reviews |
| Global Trade Identification Number | 00092644693212 |
| Included Components | 2 x 1.5V AAA Alkaline Batteries and Manual |
| Item Dimensions | 11.5 x 2.9 x 5.1 centimetres |
| Item Length | 4.5 Inches |
| Item Type Name | Klein Tools RT250 GFCI Receptacle Tester with LCD Display, for Standard 3-Wire 120V Electrical Outlets |
| Item Weight | 118 g |
| Item Width | 2 Inches |
| Item dimensions L x W x H | 11.5 x 2.9 x 5.1 centimetres |
| Item weight | 118 g |
| Manufacturer | Klein Tools |
| Manufacturer Part Number | RT250 |
| Maximum Operating Voltage | 120 Volts |
| Measurement Type | Voltmeter |
| Minimum Operating Voltage | 120 Volts (AC) |
| Model Number | RT250 |
| Power Source | Corded Electric |
| Power source | Corded Electric |
| Specification Met | CSA |
| Style | Receptacle Tester |
| Style Name | Receptacle Tester |
| UPC | 092644693212 |
| Unit Count | 1 1 |
| Upper Temperature Rating | 60 Degrees Celsius |
J**.
Excelente.
Excelente.
F**S
Handy Tool
This tester could save your life. Used in an RV with no issues - the tester showed all was well. Using the same tester in a house, it gave an indication of potential wiring issue, as the voltage showed 30VAC on first check and 123V on a subsequent check. It will also indicate ground issue, reverse polarity. Glad to have bought.
‘**—
Excellent tool for testing electrical outlets
This tool makes testing electrical outlets quick and easy. It is especially helpful to locate GFI outlets that are chained together. The tester can purposely trip the GFI and you can locate the downstream outlets that do not have power. The only drawback is it can be difficult to remove it from some outlets.
M**R
Best GFCI Outlet Tester Available
This review is for Klein Tools RT250 GFCI Outlet Tester with LCD Display, Electric Voltage Tester for Standard 3-Wire 120V Electrical Receptacles. This is the best outlet tester I have seen so far. I love the backlit readout and that it gives you the voltage information too. All the features, including the GFCI test, work flawlessly. I have never had a Klein tool that I have been unhappy with, and I find this tester to be a great value.
J**Z
Funcional
Funciona perfecto y es muy práctico lo volvería a comprar
Trustpilot
1 month ago
1 month ago