{"product_id":"9780983135821","title":"THE 2011 NATIONAL ELECTRICAL CODE BOOK OF IN-DEPTH CALCULATIONS - VOLUME 1","description":"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.","brand":"Walker \u0026 Walker Electrical Consultants","offers":[{"title":"Default Title","offer_id":49952609698032,"sku":"9780983135821","price":135.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9780983135821","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}