Frank D. Petruzella Electricity for the Trades - 3rd - McGraw-Hill Education - C2 . https://docs.google.com/spreadsheets/d/1xd8JApdT8D7frbT57A7JsPuR0Jhg761JqSioRg4jqQ4/edit?gid=0#gid=0 ISBN: 9781260547849 Dewey Class. No.: Cir.621.3/Pet44e