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60227 IEC 53 RVV 300 500v 300 300v AVVR .5mm² Flexible Wire Cable Product Overview RVV - Copper core PVC insulated PVC sheathed flexible cable, also known as light PVC insulated poly, commonly referred to as soft sheathed wire. This is a type of sheathed wire consisting of two or more RV wires with an additional protective sheath layer. AVVR - Copper core PVC insulated PVC sheathed flexible cable for installation, classified as a sheathed wire type. This specifically refers