ABOUT THE EDITORSABOUT THE EDITORSWILFORD I. SUMMERS is an electrical consultant and former Executive Director of the International Association of Electrical Inspectors.FREDERIC P. HARTWELL, a working electrician, is President of Hartwell Electrical Services, Inc. He has been certified by the International Association of Electrical Inspectors as a Certified Master Electrical Inspector. Mr. Hartwell is the senior member of NEC CMP 9. He is co-author of the current edition of McGraw-Hill's National Electrical Code Handbook.
Terrell Croft; Frederic P. Hartwell; Wilford I. Summers: American Electricians' Handbook, Sixteenth Edition. ABOUT THE EDITORS, Chapter (McGraw-Hill Professional, 2013), AccessEngineering