Greg Fletcher has over 40 years of experience in the electrical field as both a practicing electrician and as an electrical instructor. He has been a licensed electrician since 1976 and currently holds a Master Electrician's License in the State of Maine. In 1988, he was appointed as the Department Chairman of the Trades and Technology Department and Program Director/Instructor of the Electrical Technology program at Kennebec Valley Community College in Fairfield, Maine. He is the author of several textbooks including Residential Construction Academy: House Wiring, Guide to Using the National Electrical Code, and The Electrician's Guide to Photovoltaic System Installation. He has an associate's in Electrical Construction and Maintenance, a Bachelor of Science in Applied Technical Education, and a Master of Science in Industrial Education.Skip Davis is a licensed master electrician with extensive experience as an electrician and instructor who holds an associate degree in electrical engineering technology, a bachelor's degree in technical education, and a master's degree in computer technology.He started his career in the electrical field 28 years ago, working his way up from a helper electrician to being the department chair for the electrical technology program for Maine's Community College System. He was also previously appointed to The Maine Electricians' Examining Board, where he represented education and was an active member in reviewing curriculum and developing exams.