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Course #707-13-HRVA-1

Construction of Electromagnetically Shielded Enclosures

Dates: Oct-24-2012 - Oct-24-2012


This course will be held off-site at a working electromagnetic compatibility laboratory in Herndon, VA.

$900 Government AFCEA Member
        Government Non Member
$1,200 Non-Government AFCEA Member
        Non-Government Non Member

Note: You may also be interested in Courses 701,705,and 706. - Available in Spanish -- Disponible en Espanol.

Course Description:

The construction of a shielded room is quite different from other construction projects. It is a unique combination of carpentry, plumbing and electronic assembly procedures.

Many of the special techniques used in this type of construction are actually counter-intuitive: They are the opposite of what is done in normal construction. If these unique procedures are not carefully followed, the finished room may have several electronic leaks that can turn a profitable project into a financial disaster. Unlike with most trades, there are currently no formal training or apprenticeship programs for the people that assemble shielded rooms. This course is presented in a working electromagnetic laboratory. For its many practical examples and demonstrations, the course uses a 10 ft x 12 ft x 8 ft high 100 dB shielded room along with the instruments, tools and special components used in this field. This short, practical course fills a long-standing need in the shielding industry. It can save your organization many times its modest cost.

This course covers the unique procedures involved in building shielded rooms. It reviews a typical government testing standard, and provides a basic command of the terminology and concepts used in the shielding industry.
Participants will gain the ability to properly construct a shielded room under the direction of an experienced foreman or project engineer. They will also gain the ability to eliminate electronic leaks that have been pinpointed in a shielding effectiveness test. Participants will learn about the hazards to people and equipment that are involved in testing shielded rooms.

This course is specifically designed for the construction workers that assemble shielded rooms. Project engineers and construction foremen find that this course saves them both time and money, and reduces their risks. Anyone in government or industry whose responsibilities involve the construction, maintenance, or repair of shielded rooms can benefit.

Introduction: Demonstration of a Shielded Enclosure

  • Terms: Electromagnetic Compatibility and Electromagnetic Interference

Who Needs Shielded Enclosures?

  • Testing Laboratories
  • Protection Against Eavesdropping
  • Medical

Technical Concepts

  • Frequency
  • How Shielding Works
  • Attenuation
  • What is a Decibel?
  • Shielding Effectiveness

Types of Shielded Enclosures

  • Bolt-Together
  • Welded
  • Foil
  • Conductive Wallpaper
  • Conductive Paint

Parts of Shielded Enclosures

  • Gaskets
  • Finger Stock
  • Waveguides
  • Shielded Vents
  • Shielded Glass
  • Power line Filters
  • Signal line FIlters
  • Setup Panels
  • Sprinklers


Testing Hazards


Construction Hazards from Grounds

Construction of Bolt Together Enclosures

  • Panels
  • Joints
  • Coves
  • Effect of Moisture
  • Laying Moisture Barrier
  • Foundation of Enclosure
  • Installing Joints Properly
  • Coves and Flashing
  • Laying Floor Panels
  • Corners
  • Leveling
  • Coving at Ceilings
  • Leaks
  • Costs

Common Errors

  • Bolts
  • Burrs
  • Flashing
  • Paint

Review of Terms

Summary of Hazards

Overview of MIL-STD-285 and other standards

The Lecturer for this course is the president of TEMPEST INC., and the author of The Shielded Enclosure Handbook: The definitive guide for the buyer, builder, tester and user of electromagnetically shielded rooms. He has a Master of Science Degree in Electrical Engineering, he is a Certified Electromagnetic Compatibility Engineer, and a Certified TEMPEST Professional Level II with over twenty-five years of technical experience in TEMPEST and Electromagnetic Compatibility. He has served as a buyer, user, manager, provider (prime contractor) and certification tester of shielded rooms. He has personally tested more than 35 shielded rooms, ranging in size from 8 ft. x 8 ft. x 8 ft. to a 60 ft. x 40 ft. x 40 ft. high shielded chamber used to test satellites.



DIRECTIONS:  please call TEMPEST INC.  703.836.7378  

CLASS HOURS:   8:30 AM – 4:00 PM


DRESS CODE:  Business Casual


MEALS:  No meals are supplied by AFCEA or TEMPEST INC..  For a listing of local restaurants please see restaurants near TEMPEST INC.


AIRPORT & HOTELS:  Dulles is the closest airport.  Please see  local hotels for information on hotels near the course location. 


AFCEA complies with the Americans with Disabilities Act of 1990. Attendees with special needs should call (703) 631-6130 or email the PDC outlining requirements.


AFCEA will confirm that a course session is a "go" no later than Oct-10-2012, 14 days prior to the start date of the course. Please see the PDC FAQ for additional course cancellation details.


Please see the PDC FAQ for registration cancellation instructions and other PDC policies.

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All Courses offered in Fairfax, VA unless indicated
TELEPHONE: 1-703-631-6137 or 6135 or 1-800-336-4583, ext. 6137 or 6135
FAX: 703-631-6172 | E-Mail:

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