Seacoast USA's M24640/18-02UN (3XSW7) is a 600V light weight, watertight cable with non-flexing service. M24640/18-02UN has 21 18 AWG conductors in shielded triads with a minimum diameter of 0.62 and a maximum diameter of 0.668 inches. 3XSW7 has a bend radius of 5.5 inches, and is Individually Shielded with Cross-Linked Polyalkene insulation material and a Cross-Linked Polyvinylidene Flouride (PVDF) external jacket, operating from -20°C to +105°C. Multitriad, 7 strand tinned copper conductor, extruded irradiation cross-linked Polyalkene insulation with irradiated crosslinked Polyvinylidene Flouride (PVDF) insulation jacket (conductors per SAE-AS81044). Three conductors twisted to form a triad, optional binder tape, tinned copper braid shied, plus a tape shielded isolation. The required number of triads cabled consecutively, optional binder tape, cross-linked Polyolefin jacket, surface marking. Standard Identification Code by Method 2.