It consists of x2 twisted pairs (min. 5.3 twists/ft) of 18awg PVC (PolyVinyl Chloride) insulated color-coded stranded (16x30 stranding) tinned copper conductors, with pairs cabled/twisted with nylon fillers for flexing/support, then wrapped in a foil shield (100% coverage aluminum foil/mylar tape backing with 25% overlap and foil side facing out), with 20awg stranded (10x30 stranding) tinned copper drain wire, all in a slate (gray) PVC jacket.
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