PROTECTIVE DEVICES


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PROTECTIVE DEVICES
PROTECTIVE DEVICES43. Various forms of protective devices are employed to protect electrical circuits and equipment from injury under abnormal conditions. These devices may be classified as follows according to the type of protection which they provide: Overload protection Underload protection Undervoltage protection Overvoltage protection Reverse-current or power protection Reverse phase rotation Lightning and surge protection Ground-fault protection
Citation
Terrell Croft; Frederic P. Hartwell; Wilford I. Summers: American Electricians' Handbook, Sixteenth Edition. PROTECTIVE DEVICES, Chapter (McGraw-Hill Professional, 2013), AccessEngineering Export