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Your purchase includes access to a pdf of the Power Transmission Handbook® Controls & Sensors chapter, enhanced with animations for select diagrams and images. This online module provides you with a basic understanding of controls and sensors including: functions of AC motor starters; NEMA standards; motor starter types; functions and features of circuit breakers; functions of various control devices such as relays, pushbuttons and switches; differences between PLCs and computers; features of four-key display technologies; the use of sensors encountered by power transmission specialists; and the purpose of codes and standards.