A3-16 3-Phase Current Adapters for Test Instruments and 5-Pole CEE Outlets 3-phase current adapter for connecting test instruments to 5-pole CEE outlets. Features and Benefits These adapters correspond to 5-pole CEE sockets with nominal current Phase sequence testing with signal lamps Testing for effectiveness of protective measures with five 4mm contact protected sockets Choice: 16A - RS 1365809 32A - RS 1365810