McGraw-Hill's National Electrical Code 2014 Handbook, 28E
Frederic P. Hartwellis 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 ofMcGraw-Hill&#8217;s American Electricians&#8217; Handbook, 15th Edition.Joseph F. McPartlandis an electrical contracting consultant and coauthor ofMcGraw-Hill&#8217;s National Electrical Code Handbook, 25th Edition.Brian J. McPartlandis an electrical consultant and educator who teaches the nuts and bolts of the National Electrical Code. He is coauthor ofMcGraw-Hill&#8217;s National Electrical Code Handbook, 25th Edition.