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The Klein Tools RT210 GFCI Receptacle Tester is a professional-grade device designed to quickly identify common wiring issues in standard and GFCI outlets. Featuring UL and CSA certifications, it verifies ground fault interrupter operation and withstands drops up to 6.6 feet. Its intuitive LED indicators and reference chart make it an essential, durable tool for electricians, contractors, and savvy homeowners ensuring electrical safety with confidence.












| ASIN | B01AKX8L0M |
| Best Sellers Rank | 158,574 in DIY & Tools ( See Top 100 in DIY & Tools ) 178 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 (8,614) |
| 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 | Hand Powered |
| 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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