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, 25th Edition.
Joseph F. McPartland is an electrical contracting consultant and coauthor of McGraw-Hill’s National Electrical Code® Handbook, 25th 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 McGraw-Hill’s American Electricians’ Handbook, 15th Edition.