Electrical Testing Laboratories: founded by Thomas Edison in 1904, today owned by Intertek Testing Services, Ltd. of the UK. A certification company similar to Underwriters Laboratories (UL). Link to website. Show contributors This page has been seen 1,549 times. Created by derekleffew on Aug 12, 2013
Electrical Testing Laboratories: founded by Thomas Edison in 1904, today owned by Intertek Testing Services, Ltd. of the UK. A certification company similar to Underwriters Laboratories (UL). Link to website.