In possible hazardous environment:
- with an Ex barrier all non Ex installations can be operated...
- Ex d and Ex e means explosion-proof...
- tertiary explosion protection is more than enough...
- if we are below ignition temperature, that is a perfect level of protection...
- it is enough if we buy an Ex certified product, no more Ex type of handling required...
- in EU besides ATEX type certification IECEX is acceptable as well...
There are many myths, which may lead to catastrophic situations if approved that way.
Keep up good work!
Arpad
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