In Australia, Ex Equipment needs to satisfy 4.4 of AS/NZS 60079.14:2017. The same requirements apply to associated equipment, such as zener barriers or galvanic isolators for intrinsic safety. The only exception is for simple apparatus in an intrinsically safe circuit—meaning simple switches or resistive elements supplied by a certified intrinsically safe isolator or barrier. The… Continue reading Explosion Protection (Ex) Certification Requirements for Australia