UPDATES TO AS/NZS STANDARDS FOR EXPLOSION PROTECTION
In late June 2022, the new editions of AS/NZS 60079, Standards for Explosive atmospheres were published, along with a new supplement to AS/NZS 60079.10.1. Part 10.1: Classification of areas – Explosive gas atmospheres This AS/NZS 60079.14:2022 : Design selection, erection and initial inspection, revision of the HA design and installation standard is a readoption of IEC 60079-14:2013. The change goes a long way to addressing the usability issues with the 2017 version raised by many in industry. 1.1 This Australian/New Zealand changes to the IEC text are no longer hidden at the back of the document in Appendix ZZ. The changes are shown in each clause near the text they modify. 1.2 New Level of Protection markings are explained (5.4.7): e → eb nA → ec d → db nC → dc nL → ic 1.3 Pollution degrees are explained (5.9.1). 1.4 Clarification that cable jointing is permitted (9.6.7). 1.5...