






⚡ Test Smarter, Work Safer — The Pro’s Choice for Electrical Confidence
The Klein Tools RT250 GFCI Outlet Tester is a professional-grade electrical testing device designed for North American 3-wire 120V outlets. Featuring a large backlit LCD, it provides clear voltage readings, wiring fault detection including open neutral and ground, and precise GFCI trip time measurement. With a CAT II 135V safety rating, auto-hold functionality, and bright LED indicators, it ensures fast, accurate, and safe troubleshooting for electricians and serious DIYers alike.


















| ASIN | B08QW7K1JJ |
| Best Sellers Rank | #304,352 in Home Improvement ( See Top 100 in Home Improvement ) #452 in Multi Testers |
| Brand | KLEIN TOOLS |
| Brand Name | KLEIN TOOLS |
| Colour | Multi |
| Customer Reviews | 4.8 out of 5 stars 10,723 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 Centimeters |
| 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 Centimeters |
| Manufacturer | Klein Tools |
| Maximum Operating Voltage | 120 Volts |
| Measurement Type | Voltage Tester |
| Minimum Operating Voltage | 120 Volts |
| Model Number | RT250 |
| Power Source | Corded Electric |
| Power Source Type | Corded Electric |
| Specification Met | CSA |
| Style | Receptacle Tester |
| Style Name | Receptacle Tester |
| UPC | 092644693212 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 60 Degrees Celsius |
S**N
Great tester
Z**K
Excelente.
Excelente, funciona Perfecto, marca recomendada. Todo súper.
D**N
Simple and easy to use yet Amazing precision!!!
F**S
Handy Tool
M**Z
Duradero.
Cumple su funcion y es e un material duradero.
Trustpilot
Hace 2 meses
Hace 2 semanas