Single core ÖLFLEX® HEAT 1565 SC 1X4, single core, 1X4, U0/U: 300/500 V, glass silk, -195°C - 400°C, red, fixed installation, areas of application: refineries, glass melting plants, blast furnaces and coking plants, securing the electrical circuit in areas with extremely high ambient temperatures, aluminum and steel works, benefits: withstands short-term contact with molten metal or glass, low conductor resistance due to the use of nickel-plated copper conductors