Eagle Eye HMS HMS Advantages Contractor Services System Components Request a Quote Download Brochures Menu Eagle Eye HMS HMS Advantages Contractor Services System Components Request a Quote Download Brochures PLUG SWITCH CONNECTION KIT Everything You Need to Monitor Plug Conditions for Your Equipment. The plug switch connection kit allows the installer to connect a new or existing dry contact diaphragm and/or plug/chain-slack switch to an RS-unit.The plug switch kit consists of:Two ½” sealtite fittingsOne 15’ 18-gauge wireOne 6’ sealtite