Instruction Sheets for Part Number KLE-RT390
Klein Tools Circuit Analyzer, AFCI, GFCI, 12 Amp, 15 Amp, 20 Amp, LCD Display, Kit
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Estimated Ship Date: Nov 23, 2026 Would you rather pick it up?
Overview
Klein Tools Circuit Analyzers
Klein Tools circuit analyzers test the wiring conditions at an electrical outlet, display AC line voltage, inspect AFCI and GFCI devices with time to trip device—and perform voltage drop tests at 12, 15, and 20 amp current loads. Results are easy to understand with a large, color LCD screen. The testers are designed for use with North American 120 V AC 3-wire electrical outlets.
Additional details:
* LCD displays results for wiring faults, AFCI, GFCI, voltage drops and time to trip devices
* Detect and identify common wiring faults in standard, AFCI and GFCI electrical outlets
* Detects dual (open neutral/open ground) wiring faults
* Inspect AFCI and GFCI devices; includes trip time and trip current
* 12, 15, and 20 amp load testing to measure percentage voltage drops
* Powers off automatically after 5-minutes of inactivity to conserve battery life
* Detachable cord for easy storage
* Safety Rating: CAT III 135V
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Some parts are not legal for use in California or other states with similar laws / regulations
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