A Content Access Code is packaged with some new Cengage textbooks, purchased at local bookstores, or purchased online. It lets you register your book and access the online materials. Your access code should be similar to PP8XLP3XD528HC
A course key is a 12 or 15-digit string of numbers and letters that identifies which course youre taking. Your instructor should provide this to you. Try locating your course key in your syllabus or on your instructors course web pages.
To register for CourseMate you must use the Access Code located on your Printed Access Card. Note that a CourseMate Course Key is registered directly from the CourseMate Home page, only after you have registered and launched your CourseMate product.
CourseMate Course Keys are not entered via CengageBrain. If your instructor provided a Course Key, open your CourseMate product. From the CourseMate Home page click the Enter Your Course Key button and enter your Course Key to enroll in your instructors course.Close
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Obtain quick and easy access to information on DC and AC motors, various types of manual, magnetic, and electronic controls, and the installation and maintenance functions of each. Updated to the 2008 National Electrical Code® and featuring safety references to the most current OSHA Safe Work policies, Electricity 4: AC/DC Motors, Controls, and Maintenance, 9th Edition provides practical, hands-on information to get the electrical system operating as well as the theory of “why” the system works to aid in troubleshooting. The Ninth Edition features material on Variable Frequency Drives (VFDs) and newer controls for servo and small motors. Current practices and equipment have also been added to the Maintenance section to better enable readers to troubleshoot motors and control problems.