4-in-1 Digital Circuit Breaker Finder

July 6, 2026

The Klein Tools 4-in-1 Digital Circuit Breaker Finder combines four essential electrical testing functions into one convenient tool. Easily locate circuit breakers, diagnose outlet wiring conditions, detect voltage with non-contact testing, and illuminate work areas with the built-in LED work light. It’s the all-in-one solution to make electrical troubleshooting faster, easier, and more efficient.

Features

• Four functions include locating circuit breakers, diagnosing outlet conditions, performing non-contact voltage testing, and featuring a built-in work light for added convenience
• Learn Mode reads the panel with a single scan, ensuring quick and accurate breaker identification
• Locate Mode finds a single breaker by scanning the panel after the receiver has learned it
• Transmitter performs outlet diagnostics providing information on wiring faults, voltage, and GFCI trip time
• Non-contact voltage testing detects AC voltage in cables, cords, circuit breakers, and provides audible and visual signal strength
• LED work light built into the receiver provides illumination for use in dark spaces