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⚡ Test Smarter, Stay Safer — The Pro’s Choice for Electrical Peace of Mind
The Klein Tools RT250 GFCI Outlet Tester is a professional-grade device designed for quick, accurate testing of 120V North American 3-wire outlets. Featuring a large backlit LCD, it clearly displays voltage, wiring faults, and GFCI trip times. Its patent-pending technology detects open neutral and ground faults, while bright LED indicators and an auto-hold function enhance usability. CSA certified and CAT II 135V rated, it delivers trusted safety and precision for electricians, DIYers, and managers who demand reliable electrical diagnostics.
| ASIN | B08QW7K1JJ |
| Batteries | 2 AAAA batteries required. (included) |
| Batteries Required? | Yes |
| Batteries included? | Yes |
| Battery Cell Type | Alkaline |
| Best Sellers Rank | 566,781 in DIY & Tools ( See Top 100 in DIY & Tools ) 603 in Circuit Testers |
| Certification | CSA |
| Colour | Multi |
| Customer Reviews | 4.8 4.8 out of 5 stars (10,453) |
| Date First Available | 24 Feb. 2022 |
| Finish | Brushed |
| Included Components | 2 x 1.5V AAA Alkaline Batteries and Manual |
| Item Package Quantity | 1 |
| Item Weight | 118 g |
| Item model number | RT250 |
| Manufacturer | Klein Tools |
| Material | Blend |
| Part Number | RT250 |
| Pattern | Solid |
| Power Source | Corded Electric |
| Product Dimensions | 11.51 x 2.95 x 5.08 cm; 117.93 g |
| Shape | Rectangular |
| Size | Receptacle Tester |
| Special Features | Large LCD Display; Patent Pending Detection of Open Neutral Open Ground Wiring Fault; Shows Amount of Time it Takes to Trip GFCI |
| Style | Receptacle Tester |
F**S
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.
D**N
I picked up the Klein Tools RT250 GFCI Outlet Tester to help check a few outlets around my house, and I’m honestly impressed. This thing is super straightforward, just plug it in, the lights pop on, and you instantly know what’s going on with the wiring. No guesswork, no complicated setup, just clear results. The display is bright and easy to read, and the built-in GFCI test button is a lifesaver when checking bathroom and kitchen outlets. It helped me identify a miswired outlet in an older part of my house that I never would’ve caught otherwise. For something at this price, it feels durable and professional like something an electrician would actually use. If you’re a homeowner, DIYer, or just want peace of mind about the electrical safety in your place, this is a solid buy. Fast, accurate, and super easy to use. Highly recommend!
E**S
Buen producto muy util para probar los contactos.
M**R
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.
M**Z
Cumple su funcion y es e un material duradero.
Trustpilot
1 month ago
2 weeks ago