Belden High-Temperature Tray Cable: XLPE and Teflon-insulated tray cables for industrial controls and power. Fiberglass trays are the least effective at dealing with heat. At 200°F, fiberglass will lose up to 50% of its rated. Schiavetti Tekno, part of Spina Group, is a leading Italian manufacturer of cable trays and accessories for electrical and instrumentation systems. The Type TC and TC-ER cables are permitted for damp or dry locations use as well as for Class 1 Division II industrial hazardous locations when installed in accordance with the requirements outlined in NEC Article 501. High temperature is a key issue from the automotive industry to aerospace, rail, ship building and chemical industry, engineers face challenges posed by high temperature scenarios time and.