BTTZ cable copper core copper sheath magnesium insulation heavy duty fireproof cable is a smooth copper tube welded from copper conductors, weapon insulation material (magnesium powder) and seamless copper or copper strip vertical wrap. These three materials are high-performance fireproof cables that have been stretched or rolled many times.
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Mining cables are abbreviations for coal mine cables, and mining cables are flame retardant cables, and they should be issued by the National Mining Product Safety Marking Center of Anbiao. U-shaped (M-type) rubber cable for coal mines Mining rubber sleeve flexible cable is suitable for power frequency rated voltage U0/U 8.7/10KV and below mining power plant mobile laying cable.
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