Interchangeable Installations of Class/division vs Zone System-certified Products in Gas Explosive Hazardous Locations
Manufacturers of electrical equipment seeking North American certification may choose either Class/division marking or Zone marking. The Zone ...Read More →
Can the Temperature Code of an Electrical Device exceed the AIT of the representative gas in a hazardous location?
Electrical equipment generates heat when in use and hot surfaces can ignite explosive atmospheres. It is therefore especially ...Read More →
Electrical equipment must carry the official mark or label of an accredited certifying agency, which indicates that the ...Read More →
What is a “Dust Explosive Atmosphere”? Dust explosive atmospheres are locations that are hazardous due to the presence ...Read More →
When Standards change, manufacturers should be aware of the changes and should update their certifications accordingly. A relatively ...Read More →