Electrical Connector – Pre-Wired Socket with 9 ft (3 meter) cable, Series 67 Valves, Plug in sockets are constructed of a flame resistant, black molded material and include a sealing ring which provides splash proof protection (NEMA 12, IP65). Has screw terminals for No. 18 stranded wire (0.75mm²).Maximum cable jacket size for connector sealing ring is 5, 16 inch diameter.