by Alvin J. Walker (Author), Alvin J. Walker (Illustrator), Ted Ruybal (Designed by)
Volume 1 is the first of four volumes relating to the book title, "The 2011 National Electrical Code Book of In-Depth Calculations." This volume focus primarily on Article 220 of the National Electrical Code (NEC) which is the exclusive source for referencing how to calculate branch-circuit; feeder and service loads. In Volume 1, the user will find that each featured section of Article 220 is uniquely arranged and clearly illustrated to render an in-depth comprehension of the subject matter. Filled with an assortment of thought-provoking questions and answers, Volume 1 will undoubtedly leave the user with both a complete understanding and greater appreciation of the NEC.