ARTICLE HAZARDOUS (CLASSIFIED) LOCATIONS

Mike Holt Enterprises, Inc. ( )23 ARTICLE500 HAZARDOUS ( classified ) LOCATIONSI ntroduction to ARTICLE 500 HAZARDOUS ( classified ) LocationsA HAZARDOUS ( classified ) location is an area where the possibility of fire or explosion can be created by the presence of flam-mable or combustible gases or vapors, combustible dusts, or easily ignitable fibers/flyings. Electric arcs, sparks, and/or heated surfaces can serve as a source of ignition in such 500 provides a foundation for applying ARTICLE 501 (Class I LOCATIONS ), ARTICLE 502 (Class II LOCATIONS ), ARTICLE 503 (Class III LOCATIONS ), and ARTICLE 504 (Intrinsically Safe Systems) all of which immediately follow ARTICLE 500. This ARTICLE also provides a foundation for applying Articles 510 through you apply any of the articles just mentioned, you must understand and apply ARTICLE 500 which is fairly long and detailed. You ll notice when studying this ARTICLE that there are many Informational Notes that you should review.

24 Mike Holt’s Illustrated Guide to Hazardous Locations based on the 2014 National Electrical Code 500.1 | Hazardous (Classified) Locations •le 511. Commercial Garages, Repair, and Storage Artic • Article 513. Aircraft Hangars • Article 514. Motor Fuel Dispensing Facilities

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