Seacoast USA's M24640/24-06UN (TTXW20) is a 600V light weight, watertight cable with non-flexing service with circuit integrity. M24640/24-06UN has 40 22 AWG conductors with a minimum diameter of 0.577 and a maximum diameter of 0.621 inches. TTXW20 has a bend radius of 5 inches, and is Unsheilded with Mica-Glass/Polyimide Tape insulation material and a Cross-Linked Polyolefin external jacket, operating from -20°C to +105°C. Multipair, 7 strand coated or uncoated copper conductor, composite tape wrapped insulation consisting of mica-glass, Polymide tape and Polymide-FEP tape with Polyimide coating. Two conductors twisted to form a pair. The required number of pairs cabled consecutively, optional binder tape, cross-linked Polyolefin jacket, surface marking. Telephone Identification Code by Method 3 or 6. Pair Identification Code by Method 6 (black/white).