BBTRZ Mineral Insulated Fire Resistant Cables, 0.6/1kV, plain annealed strand copper wire, Inorganic mineral insulated compound (with MICA tape), XLPE isolated layer, mineral fire protection layer, LSZH compound sheath, meet to BS 6387, IEC 60702, JG/T 313-2014, GB/T 34926-2017.