This comprehensive exam prep guide is based on the National electrical code and contains 21 practice exams, with types of questions that you will get on actual test that you will get to identify your strengths and weaknesses, allowing concentration in specific areas. This book covers all topic that are included on most residential wireman, contractors, journeymen, and master electrician exams. Even with limited study time this kind of selected study yields maximum test results. The text will familiarize you with the exam and enable practice in answering questions involving judgment, evaluation, and reasoning. Answer key with code references is included.