Mike Holt`s Master Basic Training Library, 2020 NECThis package includes Mike’s best-selling full-color Exam Preparation textbook that will give you a review on Theory, in-depth training for Electrical Calculations, as well as over 2,500 NEC Review questions. You will also receive the Calculations DVDs and Mike’s Master/Contractor Practice Exam workbook.This library includes:Exam Preparation Textbook· Raceway and Box Calculations DVD· Conductor Sizing and Protection Calculations DVD· Motor, Air-Conditioning and Transformer Calculations DVD· Voltage-Drop Calculations DVD· Dwelling Unit Calculations DVD· Multifamily Dwelling Calculations DVD· Commercial Calculations DVDMaster Electrician Practice Exam workbookAnswer key(s) included with all Mike Holt products.