This unshielded Type TC-ER cable is suitable for use in exposed runs and features a sunlight-resistant PVC jacket and nylon insulation. It is also known as a VNTC exposed run unshielded tray cable. This TC-ER cable is also suitable for use in free air, raceways, or direct burial applications, and in wet or dry conditions. It also has approval for use in Class I, Division 2 industrial hazardous locations per NEC. Control Cables with three or more conductors have approval for use as Exposed Run 'ER' use in accordance with NEC.