Delmar's Standard Textbook of Electricity, 7th Edition (7E) by Stephen L. Herman. Comprehensive basic electrical theory and practical how-to content that assumes no prior electrical knowledge; math limited to basic algebra and trigonometry with step-by-step examples. Quality schematics and illustrations for electrical circuits, DC and AC theory, and equipment such as meters, transformers and motors; concise units cover one or two topics. New coverage of spike and surge protection and motor installation complying with the 2017 NEC. Shipping: handling 1-3 business days; carrier transit 6-15 business days; transit excludes seller handling; weekends, Sundays and major holidays often excluded. .
