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Zone Equipment Checker — What Ex Rating Do You Need?

EX Academy Knowledge Base · IEC 60079 · CompEx Preparation · 2025

This free tool helps with Zone Equipment Checker — What Ex Rating Do You Need?. Use this zone equipment checker to determine the minimum Ex protection level required for each hazardous area zone. Find out which EPL and protection types are acceptable for Zone 0, 1, 2, 20, 21, and 22.

How to Use

Use the reference information below to make the correct decision for your specific scenario. Always verify your selection against the relevant IEC 60079 standard and the equipment certificate before installation or specification.

Practice the Full Decision in the Simulator

EX Academy's equipment selection simulator puts you through the complete decision process — zone, gas group, T-class, EPL, gland type, accessories, earthing — for 15 different scenarios. Try Scenario 01 completely free. No card required.

Further Reading

See the related articles in our knowledge base for detailed explanations of the rules and requirements behind each decision.

Put This Into Practice

Interactive inspection simulations, equipment selection decisions, and 1,185+ practice questions referenced to IEC 60079. Try free — no card required.

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