Southwire® type TC control cable is available in sizes 16 AWG through 10 AWG, with multi-conductor constructions of 2 through 37 conductors. The product uses type THHN or THWN conductors in sizes 14 AWG through 10 AWG. Individual conductors are bare annealed copper covered with a polyvinyl chloride (PVC) insulation over which a nylon (polyamide) or UL listed equal jacket is applied. The overall jacket consists of a heat, moisture and sunlight resistant PVC.