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🛠️ Test Smarter, Work Safer — Don’t Get Left in the Dark!
The Klein Tools RT210 GFCI Receptacle Tester is a professional-grade device engineered to detect the five most common wiring faults in standard and GFCI outlets. Certified to UL and CSA safety standards, it confirms GFCI operation and withstands drops up to 6.6 feet. Operating reliably between 32°F and 140°F, this compact, lightweight tester is trusted by electricians and contractors for quick, accurate diagnostics backed by over 160 years of Klein’s craftsmanship.












| ASIN | B01AKX8L0M |
| Best Sellers Rank | 377,845 in DIY & Tools ( See Top 100 in DIY & Tools ) 437 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 (8,601) |
| 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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