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Saturday, May 26, 2018
The Automation Safety Community Forum.
EXd Flameproof Enclosures
What is the correct solution for a flame path in a flameproof enclosure?

Flame path Defected for flameproof enclosure.

"Exd (flameproof) is a type of protection where the enclosure can withstand the effects of an internal explosion without damage. Exd enclosures tested and certified with its associated circuits (internal components ) to ensure that the enclosure will withstand the expected explosion from its internal components."
Reference IEC 60079-1

according to these data I have to replace both the enclosure and internal components to avoid invalidation of the certificate.

Is that Right approach?