Gas Zones vs Dust Zones — Complete Comparison
This article covers Gas Zones vs Dust Zones — Complete Comparison. Gas zones (Zone 0, 1, 2) and dust zones (Zone 20, 21, 22) have different equipment requirements and classification methods. This guide explains the key differences and how to identify which applies.
Key Requirements
This zone classification is defined in IEC 60079-10 and governs equipment selection for all electrical installations in this area. The zone determines the minimum EPL required for any equipment installed.
EX Academy's inspection simulations and selection scenarios include questions covering this zone classification. Practise applying the requirements to real equipment selection and inspection decisions.
Equipment Selection
Always verify zone classification drawings before selecting or installing equipment. Contact the site area classification authority if zone boundaries are unclear. Never assume a zone without documentary evidence from the official area classification drawing.
Reading about it is one thing. EX Academy puts you in the scenario — interactive inspection simulations, equipment selection decisions, and 1,185+ practice questions referenced to IEC 60079.
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