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⚡ Power up your safety game with Klein’s ultimate wiring watchdog!
The Klein Tools RT210 GFCI Receptacle Tester is a professional-grade device engineered to detect the most common wiring issues in standard and GFCI outlets. Featuring LED indicators for quick diagnostics, it verifies ground fault protection and meets UL and CSA safety standards. Built to endure 6.6-foot drops and operate reliably between 32°F and 140°F, this compact tester is a must-have for electricians and savvy DIYers who demand precision and durability.












| ASIN | B01AKX8L0M |
| Best Sellers Rank | 403,861 in DIY & Tools ( See Top 100 in DIY & Tools ) 454 in Circuit Testers |
| Brand | KLEIN TOOLS |
| Colour | Black/Orange |
| Compatible Devices | Standard and GFCI Receptacles |
| Country Of Origin | China |
| Customer Reviews | 4.8 4.8 out of 5 stars (8,606) |
| Global Trade Identification Number | 00092644690273 |
| Included Components | RT210 |
| Item Dimensions | 13.5 x 9.7 x 3.8 centimetres |
| Item Length | 1.62 Inches |
| Item Type Name | GFCI Receptacle Tester Klein Tools RT210 |
| Item Weight | 1.9 Ounces |
| Item Width | 1.88 Inches |
| Manufacturer | Klein Tools |
| Manufacturer Part Number | RT210 |
| Measurement Type | Voltmeter |
| Minimum Operating Voltage | 110 |
| Model Number | RT210 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Power Source | Corded Electric |
| Product Warranty | Two years from the date of purchase. |
| Specification Met | Cat Ii 300v |
| Style Name | GFCI Testing |
| UPC | 092644690273 |
| Unit Count | 1.0 count |
| Upper Temperature Rating | 140 Degrees Fahrenheit |
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