Brian J. McPartland is an electrical consultant and educator who teaches the nuts and bolts of the National Electrical Code. He is coauthor of McGraw-Hill's National Electrical Code Handbook, 26th Edition.
Frederic P. Hartwell is a working electrician, President of Hartwell Electrical Services, Inc., and has been certified by the International Association of Electrical Inspectors as a Certified Master Electrical Inspector. He is the senior member of NEC CMP 9. He is coauthor of American Electricians' Handbook, 15th Edition.
Joseph F. McPartland is an electrical contracting consultant and coauthor of McGraw-Hill's National Electrical Code Handbook, 26th Edition.
