February 2011

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The Electrical Engineer and the Electrician

This article has attracted several good comments. I commend everyone who shared their own ideas on the topic. Another good topic is, how would you differentiate an Electrical Engineer from an Electrician. Despite their similarities,…


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Use of ATEX Certified Equipment

In July 2006, the European Union issued a directive to all manufacturers and users of equipment in hazardous areas called the ATEX Directive. The aim of directive is to allow the free trade of ‘ATEX’…


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Hazardous Area Zone Classifications

Hazardous area is defined as an area in which an explosive gas atmosphere is present, or may be expected to be present, in sufficient quantities to require special precautions for the construction, installation and use…


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Equipment Protection Level

Equipment Protection Level (EPL) is a system to clearly indicate the inherent ignition risk of equipment, no matter what type of protection is used. Equipment Protection Level EPL Application Description Zone Ga Gas equipment for…


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Hazardous Area Classification

I just finished my competency training and assessment on Hazardous Area Classification according to AS/NZS 60079. Before the training, I was confident that I already know how to classify hazardous areas. That was not the…


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