“National Electrical Code Blueprint Reading: Based on the 1981 NEC” by Kenneth L. Gebert is an 8th edition textbook published by American Techni-Cal Publishers, Incorporated in 1981. This book is designed for students and professionals in the field of technology and engineering, specifically focusing on drafting and mechanical drawing for electrical construction projects. This trade paperback covers essential topics related to the National Electrical Code, making it a valuable resource for understanding electrical blueprints and ensuring compliance with industry standards.