Over the years, EC&M articles have addressed many topics when applying the rules for hazardous (classified) locations. Safety tips for working in hazardous locations, class and division basics, the ...

Article 503 gives you the option of using the Zone system (Art. 506) instead of the Division system [503.6]. Article 506 applies to Class II and Class III locations; we’ll discuss it in a future ...

One of the most challenging tasks design engineers can face is designing measurement or control systems to operate safely in hazardous environments. These environments may contain flammable or ...

Combustible gases, vapors, and airborne dusts tend, by their very nature, to be explosive if present in the right concentrations along with sources of sparks or excess heat. Over the years, these ...

Equipment which is certified as being intrinsically safe by an independent testing agency (e.g., FM Global) decreases the risk of death or injury when using it and helps to prevent the loss of ...