IEC 60702-2 pdf download Mineral insulated cables and their terminations with a rated voltage not exceeding 750 V — Part 2: Terminations 5.1.3Explosive atmospheres A seal for use in potentially explosive atmospheres shall, in addition to complying with therequirements of this standard, also satisfy the appropriate requirements specified in IEC 60079-0. 5.1.4corrosion resistance A seal or enclosure shall be made...