All Star Cable 18/2C Shielded Plenum Control/Security Cable White/Purple /100ft
It has x2 18awg color-coded LS-PVC (Low-Smoke PolyVinyl Chloride) insulated stranded (7×26 stranding) bare copper conductors, with conductors cabled/twisted together and then covered in a foil shield (100% coverage aluminum foil/mylar tape backing with foil side facing out), with 24awg stranded (7×32 stranding) tinned copper drain wire and nylon ripcord, all in a natural (white) w/ purple parallel stripe LS-PVC jacket.