Blog

The latest news and insights from Hazcon Inc.

Control Drawing

The Use of a Control Drawing for an Intrinsically Safe System 

The Role of a Control Drawing A Control Drawing plays an important role in the  safe installation, operation, ...
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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 ...
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Update to CSA Standard No. 30: 2020 (Class I, Division 1)

CSA Standard C22.2 No. 30, which relates to explosion-proof electrical equipment, was recently updated. The newest edition, CSA ...
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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 ...
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Certifying “Ex” Products for Use in the UK (UKCA mark)

What was the impact of Brexit on electrical product markings in the UK? Because the UK recently left ...
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Understanding the Differences Between the Protection Technique Known as” Explosionproof” or “Flameproof “

Some electrical devices, even when operating under normal conditions, can produce arcing and/or sparking.  If such a device ...
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Preventing Gas Explosions

We are all aware of the destruction that can be caused by gas explosions, so we need to ...
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Getting a Class I, Division 1 Marking for Hazardous Locations in North America

Hazardous locations” are those in which there is or may be an ignitable concentration of flammable gas (including ...
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Getting Zone and Class/division Markings in North America for IECEx Certified Products

IECEx is the only certification system available globally for equipment used in explosive atmospheres. Although IECEx certification is ...
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Equipment Assemblies in Hazardous Areas!

“Equipment assemblies” are defined in Clause 3.1 of IEC 60079-46 as a “pre-manufactured combination of Ex Equipment, together ...
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