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Certification and Licensing
List of Approved Nationally Recognized Testing Laboratories (NRTL)
Underwriters Laboratories Inc. |
333 Pfingsten Road Northbrook, IL 60062-2096 847-272-8800 |
Wyle Laboratories, Inc. |
7800 Highway 20 West P.O. Box 07777 Huntsville, Alabama 35807 256-837-4411 |
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