Special TestsConductor examination by inspection and measurement for compliance to IEC 60228.Measurement of thickness of insulation, sheath, armour/braid, etc.Armour resistance4 hour voltagetestFire resistance test to IEC 60331Flame retardant test to IEC 60332Oxygen Index to ASTM D2863Acid gas generation as per IEC 60754-1&2Smoke density test to ASTM E662/IEC 61034-2Temperature index test.