Extech CB10 AC Circuit Breaker Finder/Receptacle Tester


Key Features:

  • Quickly locate 110V to 125VAC Circuit Breakers and Fuses
  • Variable Sensitivity adjustment to pinpoint correct circuit breaker
  • Bright Red and Green LED’s indicates if receptacle is correctly wired or six fault conditions
  • Simply plug the GFCI Transmitter into an outlet and trace for the correct breaker at the electrical box
  • Audible and visual circuit breaker indication
  • Transmitter and Receiver snap together for easy storage
  • Dims/Wt: Receiver: 6.4x2.2x1.5" (162x55x38)/4oz (113g); Transmitter: 3.25x1.75x1" (83x44x25mm)/1.6oz (45g)
  • Complete with one Receiver, one GFCI Transmitter, and 9V battery for the Receiver

Extech CB10 GFCI Transmitter:

  • Tests GFCI circuits
  • LED indication of 2 test conditions and 5 wiring faults
  • Tests Reversed/Open Connections
  • Lights indicate circuit condition

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The Extech CB10 is a Circuit Breaker Finder, Circuit Tester, and GFCI Receptacle Tester. Locates circuit breakers and tests receptacle wiring.

Operating Voltage                         90 to 120V
Operating Frequency                     47 to 63Hz
Power supply                               9V battery (receiver)
Operating Temperature                41ºF to 104ºF (5ºC to 40ºC)
Storage Temperature                  -4ºF to 140ºF (-20ºC to 60ºC)
Operating Humidity                     Max 80% up to 87ºF (31ºC)
                                                decreasing linearly to 50% at
                                                104ºF (40ºC)
Storage Humidity                        <80%
Operating Altitude                       7000ft. (2000meters) maximum.
Weight                                       5.9oz (167g)
Dimensions                                8.5” x 2.2” x 1.5” (215 x 56 x 38mm)
Approvals                                   UL CE
UL Listed                                   The UL mark does not indicate that
                                                 this product has been evaluated
                                                 for the accuracy of its readings.

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  • Locate branch circuit breakers without flipping breakers to other circuits
  • Confirm proper wiring during electrical wiring installation or repair
  • Test receptacle ground fault operation