IEC 60309-5:2017 applies to a single type of plug, socket-outlet, ship connector and ship inlet, hereinafter referred to as accessories, intended to connect ships to dedicated shore supply systems described in IEC/IEEE 80005-3.
This part of IEC 60309 applies to three-phase accessories with an earth contact and with four pilot contacts.
This publication is to be read in conjunction with IEC 60309-1:2012.