It has x2 18awg PP (PolyPropylene) insulated, color-coded, stranded (7x26 stranding) bare copper cabled/twisted conductors, wrapped in a Beldfoil shield (100% coverage aluminum foil/polyester tape backing with foil side facing out), with 24awg stranded (7x32 stranding) tinned copper drain wire and nylon ripcord, all in a yellow PVC (PolyVinyl Chloride) jacket.
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