How to classify hazardous areas?

This is the question that many people ask themselves. There are so many standards and practices, so different from each other. You have the Class, Division & Group classification in North America and the Zone and Group system in Europe, Asia and Australia. The NEC also talks about Zones in Article 505 and there is … Read more

Not doing a gas test before welding is criminal negligence

I wonder why many plant owners & managers cannot do some simple things to prevent accidents and save innocent workers’ lives?  Shockingly, in many of the recent accidents, that have been reported as “welding accidents”, the root cause is not doing a “gas test” before starting the job.  As all of you, who are familiar … Read more