Mike Holt 2020 Master/Contractor Exam Prep Comprehensive Course Pass your 2020 Master/ Contractor Exam on your first attempt by preparing properly with this exam prep course. Master electrical theory, which is the foundation for everything on the exam and everything you'll do in the field. Gain a solid understanding of the NEC, load calculations, overcurrent protection, and conductor sizing. Work sample exam problems and build your test-taking abilities. Know the difference between bonding and grounding and how to correctly apply each. Don't fear your Master / Contractor Exam, conquer it! With the right preparation, which this is, you will be able to complete your exam quickly and correctly. This best-selling program has been helping individual electricians and electrical engineers prepare for exams across the country for many years (this version is updated for the 2020 NEC-based exams). It is designed to help you confidently ace an exam because you have truly prepared in all aspects of Theory, Code, and Calculations. This exam prep provides in-depth instruction with step by step explanations for solving problems. The DVDs expand your understanding with detailed explanations and analysis using real-world examples. The practice questions are key to reinforcing what you learn.