ACR OLAS Exposure Series Guardian Extension Cable Set [EXPOLASGUARDEXT]OLAS Exposure Series Guardian Extension Cable Set The Guardian Extension Cable Set can extend the distance by 750mm 29. 5 inches for either the power cable, the switch cable, or both. This is designed for use on larger vessels where the Guardian hub needs to be located further from either the control switch or the power and kill switch connections. WARNING: This product can expose you to chemicals which are known to the State of California to cause