Neutrik powercon 32a connectors with 3 protective earth conductors neutrik nac3 2fc the neutrik nac3 2fc 32a cable connector has 3 protective earth conductors the ac installation coupler was designed for power distribution systems in professional it equipment and desk power supplies for the office environment the system is designed according to the british standard bs 7671 section 607 only and is therefore limited to corresponding applications operation is only guaranteed for related appli