The Extech CB10 is a compact and versatile circuit breaker finder designed to accurately locate and identify circuit breakers in electrical panels. This handheld instrument combines functionality, convenience, and user-friendly features, making it an essential tool for electricians, contractors, and DIY enthusiasts.The Extech CB10 uses a transmitter and receiver system to locate circuit breakers in electrical panels quickly and efficiently. The transmitter is connected to the circuit under investigation, while the receiver is used to scan the panel and detect the corresponding circuit breaker. This eliminates the need for trial-and-error guessing or manual inspection, saving time and effort.The instrument features a clear LCD display on the receiver unit that provides visual and audible indicators when a circuit breaker is detected. The display may include a bar graph or numeric indication of the signal strength, allowing users to pinpoint the exact circuit breaker with precision.The Extech CB10 offers multiple scanning modes to cater to different electrical panel configurations. It may include an automatic mode that scans the panel and detects the circuit breaker with the strongest signal. Alternatively, it may feature a manual mode that allows users to step through each circuit breaker in the panel to identify the correct one.With its compact and handheld design, the Extech CB10 is easy to carry and operate. It is typically powered by batteries, ensuring convenience and allowing for on-the-go circuit breaker locating in various locations. The instrument may also feature a durable construction to withstand regular use and a comfortable grip for extended operation.In addition to circuit breaker locating, the Extech CB10 may include additional features such as a GFCI receptacle tester. This allows users to test the functionality of ground fault circuit interrupter (GFCI) outlets, ensuring their proper operation and compliance with safety standards.