Designed for both novice and practicing electrical workers, Electricity 3: Power Generation and Delivery, 9th Edition, explores various types of generators and the delivery of single phase and three-phase power to the customer site. The ninth edition is updated to the 2008 National Electrical Code and includes safety features from the power supply industry and current OSHA standards where applicable. This updated edition also features all-new coverage of generator maintenance and troubleshooting and expanded coverage of transfer switches, transformers, and connections. With a continued focus on the "hows" and "whys" of electrical system operation, readers will gain a solid understanding that goes beyond what to do in an electrical problem to why various electrical procedures are important.