Explosion protection is about competence in engineering and not about the limitation(s).
You shall choose the right protection method(s) and follow all to-do-s related. And it works lifetime long.
![](https://i0.wp.com/exprofessional.com/wp-content/uploads/2020/03/exprocess-07-transparent-background-1.png?w=1130&ssl=1)
Functionality is an important issue, but it always has to be Ex in any possible hazardous environment.
Keep up good work!
Arpad