Y-adapters are used to connect one dockside outlet into two weatherproof connectors. All plugs and connectors have side grips; are made to NEMA standards; and offer a universal fit with all other brands. 30 Amp connections also come with Powersmart LED power indicators. All cables are rated up to 600V; 105C. Configuration is 50A 125V Female (2) to 50A 125/250V male.