Rg59 Siamese Coaxial Cable 1000ft 20Awg+18 – 2Awg White. NEW WHITE 1000FT BULK RG59 SIAMESE CABLE 20AWG+18/2 CCTV SECURITY CAMERA WIRE. RG59B/U Siamese Cable is a combination of RG59 for video and a pair of 18-gauge power wires in one jacket. This design makes installation easier by carrying video and power over one cable run. ...