Nexans unarmored Tray Cables are listed as type TC under UL 1277 Electrical Power and Control Cables. Our tray cable products are suitable for installation in wet or dry locations in a variety of situations from cable trays and raceways to open air. Our ULTREX XL and ULTREX VN tray cables are suitable for exposure to weather, direct burial and hazardous locations in Class I, Div. 2 and Class II, Div. 2 per NEC.