Here's 2 of my favorites, they both issue certificates upon completion.
Welcome to the Advance Transformer University online training site. We are committed to providing our customers and users with the highest quality ballast training in the industry. Our course options include training on ballasts, components, function, operation and more. http://advancetransformer.com/university/default.asp
Lightolier's "Lessons In Lighting" is a FREE online course on lighting fundamentals, and is intended for those new to the lighting industry or for professionals looking to "brush up" on their basic lighting knowledge http://lightolier.com/
[This message has been edited by Voltron61 (edited 02-24-2003).]