APsystems 2061702007 Bus Connector Cap Please log in to see price or purchase this item SKU: 360-0003 Details APsystems, Y-Conn Cap, to seal off unused AC Bus Cable Connectors, for DS3, YC600 & QS1, 2061702007The Y-CONN Cap protects unused AC Bus connectors fr... DetailsBackDetailsAPsystems, Y-Conn Cap, to seal off unused AC Bus Cable Connectors, for DS3, YC600 & QS1, 2061702007The Y-CONN Cap protects unused AC Bus connectors from rain, keeping the device dry.