This tester only detects common wiring problems
this die ensures precise results every time
this rugged tool has a long and trouble-free usage life
ensuring safe and efficient cable support in various applications
Built-in REDLINK Intelligence protects the battery from overloads
Klein Circuit Analyzer ACCESSORIES This tester only detects commonThe Klein Tools RT390 is a Circuit Analyzer that tests the wiring conditions at an electrical outlet, displays AC line voltage, inspects AFCI and GFCI devices with time to trip device, and performs voltage drop tests at 12A, 15A and 20A current loads. Results are easy to understand with large, color LCD. The tester is designed for use with North American 120V AC 3 wire electrical outlets. WARNING Read, understand, and follow all warnings, cautions,