Hartwell, Frederic

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. Mr. Hartwell is coauthor of "McGraw-Hill s American Electricians Handbook", 15th Edition.

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

Brian J. McPartland is an electrical consultant and educator who teaches the nuts and bolts of the Nati...