Reed Instruments R5500 Circuit Breaker Finder

Reed Instruments

Key Features:

  • Simply plug the transmitter into a receptacle and scan breaker box to identify the circuit
  • Detects 5 3-wire receptacle wiring faults
  • Built-in GFCI receptacle check function
  • Adjustable sensitivity wheel quickly identifies breaker
  • Audible (buzzer) and visual (LED) indicators assist in identification

Secured and trusted checkout with

This circuit breaker finder quickly and easily identifies the correct circuit breaker protecting a specific electrical circuit. The R5500 also features a receptacle tester to identify faulty wiring and a GFCI check button.



  • • Receiver
  • • Transmitter
  • • Battery
Voltage Range 90 to 120V AC
Bandwidth 47 to 63Hz
Power Supply 1 x 9V
Product Certifications ETL
Operating Temperature 32 to 104°F (0 to 40°C)
Operating Humidity 0 to 85%
Storage Temperature 4 to 140°F (-20 to 60°C)
Dimensions 4.1 x 2.2 x 1.2" (103 x 56 x 30mm)
Weight 3.9oz (110g)
Write Your Own Review
Only registered users can write reviews. Please Sign in or create an account
The Reed Instruments R5500 Circuit Breaker Finder can be used in home and industrial applications where wire or cable carrying alternating current must be located, repaired or replaced. The transmitter can be used as a standalone instrument to verify the proper wiring of receptacles and/or GFCI receptacles are functioning correctly.