Are there any differences regarding Ex personnel competency on worldwide level?

Hydrogen does explode somehow different elsewhere? No!

Same question again: are there any differences regarding Ex personnel competency on worldwide level?

There should not be any.

Keep up good work!

Citation from IEC 60079-14:2013 4.5:

"Competency can be demonstrated in accordance with a training and assessment framework relevant to national regulations or standards or user requirements."

ExAM makes it happen - new trend in the world of Ex personnel competency methodologies.

More information: exam@exnb.eu