It consists of x4 22awg premium grade PE (PolyEthylene) insulated color-coded stranded (7×30 stranding) tinned copper conductors, wrapped in a Flexfoil shield (100% coverage aluminum foil/polyester tape backing with min 25% overlap and foil side facing out), with stranded tinned copper drain, all in a gray premium grade PVC (PolyVinyl Chloride) jacket.