Southwire's 60030S Circuit Breaker Finder Adapter/Accessory Kit includes a light bulb socket adapter and alligator clips for tracing branch circuits. Designed for use on 120Vac circuits, the 60030S is ideal for any residential testing and is compatible with Southwire's 41210S Circuit Breaker Finder. The included alligator clips allow the transmitter to be connected to unterminated branch circuit wiring. The included light bulb circuit adapter allows for rapid location of circuit breakers connected to lighting fixtures.