Nationally Recognized Testing Laboratories (NRTL's)

The following is a list of the major nationally recognized testing laboratories and compliance organizations:

• Underwriters Laboratories, Inc.
  333 Pfingsten Road
  Northbrook, Illinois 60062 USA
  Tel: 847-272-8800
  http://www.ul.com
  
  
• Applied Research Laboratories
  5371 NW 161 Street
  Miami, FL 33014
  Tel: 305-624-4800, FAX: 305-624-3652
  http://www.arl-test.com
  
  
• American National Standards Institute
  1 West 42nd Street
  New York, NY 10036
  Tel: 212-642-4900, FAX: 212-398-0023
  http://www.ansi.org
  
  
• British Standards Institution
  389 Chiswick High Road
  London W4 4AL United Kingdom
  http://www.bsi.org.uk
  
  
• CENELEC Comité Européen de Normalisation Electrotechnique
  Rue de Stassart,
  35 B - 1050 BRUSSELS
  Tel: + 32 2 519 68 71, FAX: + 32 2 519 69 19
  http://www.cenelec.be
  
  
• VDE-Verband Deutscher Elektrotechniker
  Merlinstrasse 28 D-63069
  Offenbach Federal Republic of Germany
  http://www.vde.de
  
  
• Japanese Standards Association
  1-24, Akasaka 4, Minato-ku
  Tokyo 107 Japan
  http://www.jsa.or.jp/default_english.asp
   
• IEC International Electrotechnical Commission
  3, rue de Varembé, PO Box 131 1211
  Geneva 20, Switzerland
  Tel: +41 22 919 02 11 FAX: +41 22 919 03 00
  http://www.iec.ch
  
  
• The Institute of Electrical and Electronic Engineers, Inc
  345 East 47th Street
  New York, New York 10017
  Tel: 800-678-IEEE
  http://www.ieee.org
  
  
• NIST National Institute of Standards and Technology Calibration Program
  Bldg. 820, Room 232
  Gaithersburg, MD 20899
  Tel: 301-75-2002, FAX: 301-869-3548
  http://www.nist.gov
  
  
• National Electric Manufacturers Association Standards Publication Office
  2101 L. Street, N.W. Suite 300
  Washington, D.C. 20037
  Tel: 202-457-8400 FAX: 202-457-8473
  http://www.nema.org
  
  
• NSF International
  789 N. Dixboro Road
  Ann Arbor, Michigan 48113-0140 USA
  Tel: 800-NSF-MARK
  http://www.nsf.org
  
  
• ISO International Standards Organization
  1, rue de Varembé Case postale 56 CH-1211
  Genève 20 Switzerland
  Tel: + 41 22 749 01 11, FAX: + 41 22 733 34 30
  http://www.iso.ch
  
  
• OSHA Region 1 Regional Office
  JFK Federal Building, Room E340
  Boston, Massachusetts 02203
  Tel: 617-565-9860, FAX: 617-565-9827
  http://www.osha.gov
  
  
• TÜV Rheinland of North America, Inc.
  12 Commerce Road
  Newton, CT 06470
  Tel: 203-426-0888
  http://www.us.tuv.com
  
  
• Regulatory Compliance Information Center (RCIC)
  www.rcic.com