Go to the following web sites
http://www.ibew.org/home.htm
http://www.ieci.org/
http://stats.bls.gov/oco/ocos206.htm
http://www.calmis.ca.gov/file/occup$/DCLAW2000/Electrician-ws2000.htm
http://www.nccer.org/
http://www.agc.org/Education_&_Training/craft_training.asp

You can also do a Google search by your state or other states you are interested in like below and will get more localized information.

+electrician, +wages, +Florida