








⚡ Stay wired right, every time — don’t get left in the dark!
The KLEIN TOOLS RT210 GFCI Receptacle Tester is a professional-grade device engineered to detect common wiring issues in standard and GFCI outlets. Featuring a convenient LED chart, it verifies ground fault protection and meets rigorous UL and CSA certifications. Designed for durability with a 6.6-foot drop resistance and no battery requirement, it’s the essential tool for electricians and managers who demand precision and reliability on every job.






| Manufacturer | Klein Tools |
| Part number | RT210 |
| Item Weight | 38.6 g |
| Product Dimensions | 13.46 x 9.65 x 3.81 cm; 38.56 g |
| Item model number | RT210 |
| Size | Pack of 1 |
| Color | Black/Orange |
| Style | GFCI Testing |
| Material | Blend |
| Power source type | Corded Electric |
| Item Package Quantity | 1 |
| Specification met | UL |
| Special Features | Convenient Chart on the Tester |
| Included components | RT210 |
| Batteries Included? | No |
| Batteries Required? | No |
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