The 5464C SL199 from Alpha Wire is a slate-colored 4-conductor multi-conductor cable with 20 AWG wire and a foil shield, sold in 1000-foot lengths (1000=1000).
The 5464C SL005 from Alpha Wire is a 4-conductor multi-conductor cable with 20 AWG conductors, a slate jacket and foil shielding, supplied in 100.0' (30.5 m) lengths.