Course Summary:

Understanding Electrical Area Classification and Hazardous Area Wiring

Course #P366
June 10-11, 2014
Courtyard by Marriott Houston NASA/Nassau Bay*,  18100 Saturn Lane, Houston, Texas
Course Fee: $1495 Discount Available
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During the course, you will:

  • Review the basic principles of ignition and flammable properties of gases and liquids
  • Develop classification drawings
  • Learn how to take advantage of explosion-proof seals and enclosures
  • Examine the design of purges and pressurized systems for equipment enclosures and control rooms
  • Learn how to specify the proper NEMA/IEC enclosures for different location classifications
  • Review commissioning and maintenance checklists


  • Area Electrical Classification Definition, Basics, and Details
  • Zones – IEC vs. NEC Differences
  • Steps in Classifying Areas
  • Codes
  • Explosion Proofing
  • Seals
  • Intrinsically Safe Systems
  • Non-Incendive Systems
  • Purging and Pressurization
  • Miscellaneous Protection Systems
  • Commissioning and Maintenance


Engineers and scientists involved in classifying hazardous locations and specifying safe equipment installations within hazardous locations will learn the essentials and critically examine proven procedures for safe operation. The course will be especially valuable to those involved in classifying hazardous areas and installing equipment within hazardous areas in the following industries:

  • Chemical, petrochemical, agrichemical, and specialty chemical
  • Refining
  • Biotechnology, biochemical, and fermentation
  • Pharmaceuticals and cosmetics
  • Food processing


By participating in this course, you will earn 14 Professional Development Hours (PDH) and 1.4 Continuing Education Units (CEU). Learn more about PDH, LU, CEU and state licensing boards.

General Information

Fee Covers Notebook and other course materials, break refreshments, and certificate.

Cancellation Policy If you cannot attend, please notify us by June 3, and we will refund your fee. Because this course has limited enrollment, cancellation received after this date and no-shows are subject to the full course fee of $1495. You may enroll a substitute at any time before the course starts.

Accommodations We have reserved a block of guest rooms (rates starting at $109) at Courtyard by Marriott Houston NASA/Nassau Bay, 18100 Saturn Lane, Houston, TX. Reserve a room online at Courtyard by Marriott Houston NASA/Nassau Bay or call 281-333-0220 and indicate that you will be attending this course under group code UAEC. Room requests after May 19 will be subject to availability. Other fees and restrictions may apply.

Course Location This course will be held at Courtyard by Marriott Houston NASA/Nassau Bay, 18100 Saturn Lane, Houston, TX. 281-333-0220

Course Discount  Team Discount Fee: $1375 each, if two or more people from the same organization enroll in the course. Save $120 per person.

Course information is subject to change.

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How to Reach Us

Call 800-462-0876 or 608-262-2061 and ask for:
Program Director Elaine M. Bower (bio)*

Or email:
Elaine M. Bower or

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