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Ex Knowledge

Plain-English guides to working safely in hazardous areas

Choosing equipment for a hazardous area starts with a few questions: what zone is it, what gas or dust is present, and what does the certificate on the device actually allow?

These guides answer them.

Guides

What is intrinsic safety?
How a device can be made unable to ignite gas.
Hazardous area zones.
Zones 0, 1 and 2 for gas, and 20, 21 and 22 for dust.
ATEX, IECEx and PESO.
Which approval you need, and where.
Reading an Ex marking.
What a string like II 2G Ex ib IIC T4 Gb tells you.

Content pending. ManDeo: guides written after launch (P2).

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