Many of the cases an Ex technician and an Ex supervisor is the same person.
Shall they go for a separate training? Is there any difference?
Few comments here:
– any Ex personnel competency training is a further education
– if you look at IEC 60079-14/-17 around 2/3 is the same …
For sure there shall be differences (E.g: practical, hazardous area classification, level of inspections, etc) but many points are to be about the same topic: Ex compliance, applicable technical solutions, …)
Last but not least we can say 2 competencies (technician, supervisor) in one makes sense.
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.
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