These are the references GITS identifies as approved for the Florida Master Electrician's Exam:
NFPA 70 - National Electrical Code, 2008
Code of Federal Regulations ? Title 29, Part 1926 (OSHA), 2003
American Electricians Handbook, 1996, 13th edition, Croft/Summers
Ugly's Electrical References, 2002, Hart
Industrial Motor Control, 1999, Herman