D’Addario Accessories Custom Series Circuit Breaker Guitar Cable - Momentary Kill Switch Instrument Cable with ¼ Inch Ends - On/Off Switch for Silent Instrument Changes - Right Angle, 10 feet

The Planet Waves Circuit Breaker plug has fail-safe operation to save your equipment from loud pops and squeals when you change guitars with a live amp. When the button is held down, the cable shorts while remaining plugged into your guitar, making on-stage guitar changes a snap, and eliminating any chance of sound bursts. Once the cable is shorted, remove the cable from the guitar being used, plug the cable into the next instrument, and release the circuit breaker switch to reactivate the cable.