Frederic P. Hartwell
Frederic P. Hartwell (Amherst, MA) 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 senio
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Frederic P. Hartwell (Amherst, MA) 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 (deceased) is an electrical contracting consultant and coauthor of McGraw-Hill’s National Electrical Code Handbook, 25th Edition.
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