The CF12 circuit breaker finder allows one person to determine which breaker controls a specific circuit, and turn off power only on that circuit. Plugging the transmitter into a standard outlet sends a signal down that circuit. A switch on the receiver wand lights a red LED. The CF12 automatically calibrates and continuously adjusts sensitivity as the breakers are scanned. When the correct breaker is found, a single green LED lights and an audio signal sounds. It operates approximately 50 hours on a 9V alkaline battery.

Zircon Corp., 1580 Dell Ave., Campbell, CA; (408) 866-8600; fax (408) 866-9230.

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