Up for sale is NEW priced per 50 foot Alpha Wire M9520010 20/1P Shielded Power Limited Tray Cable (PLTC). It consists of a twisted pair (min 6.0 twists per foot) of 20awg color-coded PVC (PolyVinyl Chloride) insulated stranded(7×28 stranding) bare copper conductors, wrapped in a 125% coverage clear mylar core wrap, with 22awg stranded (7×30 stranding) tinned copper drain wire, then wrapped in a foil shield (125% coverage aluminum foil/mylar tape backing with foil side facing in), with nylon ripcord, all in a black PVC outer jacket.