Check the listing for details. Planet Waves Circuit Breaker Instrument Cable Latching Straight Plug 15 ft. Blk. Color: Black, Condition: New. Listed at 41.99 USD. The Circuit Breaker instrument cable with latching cut-off switch has the same solderless plug connection as its predecessor, but features an actuated "kill switch" that allows for noise-free instrument changes. Press the switch once to mute the signal to the amplifier completely. Press again to reactivate the signal flow. This is the straight plug version. .