16 amp 3 pin (2P+E) switched interlock socket - blue 220 - 250 volt Will only switch on when plug is inserted Switch padlockable in OFF position 2x 29mm threaded cable entry on bottom & top includes PG21 screw in blind Single phase Earth position at 6 hour Waterproof rated to IP67 We have plugs and other sizes of these connectors in our Amazon store