Master the essentials of commercial building electrical maintenance with this comprehensive guide from renowned author Glen A. Mazur. Published in 2011, this 327-page softcover manual features 219 detailed illustrations to help facilities maintenance professionals understand and maintain electrical systems effectively. This essential resource delivers in-depth coverage of critical topics including power transmission, distribution systems, electrical safety protocols, circuit analysis, and proper use of testing instruments. The book provides detailed insights into lighting systems, HVAC components, motor control, and electrical distribution systems that are common in commercial buildings. What sets this book apart is its extensive collection of digital resources. Students gain complimentary access to online learning tools including: - Interactive Quick Quizzes® for knowledge assessment - Comprehensive illustrated glossary - Digital flashcards for efficient studying - Virtual meter simulations for practical training - Real-world troubleshooting scenarios with solutions - Informative media clips - Curated internet resources For instructors, additional online teaching materials are available to enhance classroom instruction. Whether you're a maintenance professional, facility manager, or student, this guide provides the knowledge and practical skills needed to maintain and troubleshoot commercial building electrical systems effectively.