






⚡ Test Smarter, Not Harder — Power Up Your Safety Game!
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 provides clear voltage readings, identifies common wiring faults, and measures GFCI trip times. Its patent-pending technology detects open neutral and ground faults, enhancing electrical safety. Compact, durable, and user-friendly with auto-hold and LED indicators, it’s the trusted choice for electricians and savvy homeowners alike.


















| ASIN | B08QW7K1JJ |
| Best Sellers Rank | #308,344 in Home Improvement ( See Top 100 in Home Improvement ) #456 in Multi Testers |
| Brand | KLEIN TOOLS |
| Brand Name | KLEIN TOOLS |
| Colour | Multi |
| Customer Reviews | 4.8 out of 5 stars 10,746 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 | 0.26 Pounds |
| 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
D**N
Simple and easy to use yet Amazing precision!!!
G**O
muy buen producto
para probar los cables si estan bien puestos
F**S
Handy Tool
M**Z
Duradero.
Cumple su funcion y es e un material duradero.