Inorganic mineral insulated cable, also known as flexible fireproof cable, its conductor is made of stranded copper wires, with multi-layer mica tape as insulating layer, mica tape is made of glass fiber cloth as base material, and the outer layer is longitudinally wrapped and welded with copper tape. It is closed to form an outer sheath, and the smooth outer sheath is pressed into a spiral shape. It is mainly used in construction industries such as offices, hotels, hotels, conference centers, subways, highways, light rails, hospitals and other densely populated and underground places, and industrial and mining enterprises such as chemical, metallurgy, electric power, and high temperature.BTTZ Copper Core Copper Sheath Magnesium Oxide Insulated Fireproof Cable. This product is produced according to GB/T13033-2007 "Mineral Insulated Cables and Terminals with a Rated Voltage of 750V and below", and can also be produced according to the standards recommended by the International Electrotechnical Commission IEC, British Standard, German Standard and American Standard according to user needs. The applicable electrical lines of this product are mainly main power transmission, fire protection systems, and computer room control lines.