Gregory W. Fletcher is chairman of the Trades and Technology Department and director/instructor of the Electrical Technology program at Kennebec Valley Community College in Fairfield, Maine. With more than 30 years of experience in the electrical field, he has taught electrical wiring practices at the secondary level, apprentice level, and post-secondary level. He is also the author of THE ELECTRICIAN'S GUIDE TO PHOTOVOLTAIC SYSTEM INSTALLATION, RESIDENTIAL CONSTRUCTION ACADEMY: HOUSE WIRING WORKBOOK/LAB MANUAL, and GUIDE TO USING THE NATIONAL ELECTRICAL CODE. Licensed since 1976--first as a Journeyman and then as a Master Electrician--Mr. Fletcher holds an Associate of Applied Science Degree in Electrical Construction and Maintenance, a Bachelor of Science Degree in Applied Technical Education, and a Master of Science Degree in Industrial Education. In addition, he is a member of the International Association of Electrical Inspectors and the National Fire Protection Association.