IsoTek 24 Carat Gold Audiophile Grade ConnectorAll cables and connectors must be terminated by a licenced electrician IsoTeks range of high quality 24ct gold audiophile grade connectors will raise the performance of any power cable. All connection surfaces are pure copper, then plated in 24ct gold. The fully detachable main body uses high quality injection moulded polycarbonate with an injection moulded nylon front assembly. Accepts cables with external diameter of 4mm to 16mm Accepts conductors