Where can I get information about seminars that deal with art. 500 (hazzardous areas)?
Where are you located?
I do 8 hour seminars on classified locations in you are in the Utah area. Mark Ode also does seminars for UL on this subject.
I can help you too, look at my schedule here:
www.americantrainco.com and search for the NEC classes.
Will be in Chicago all of next week.
Here's an on line source that is highly recommended.
http://www.ieisa.com/BFSHAZ.html