Ground Fault Circuit Interrupter---Design and Operating Characteristics

The hazards of electrical shock are well known. Now, however, new technological developments have led to the design and manufacture of reliable and economical devices to detect and interrupt hazardous ground fault currents. Ground fault circuit interrupters are presently available which provide a great measure of personnel protection. This paper describes the operational characteristics of these devices and summarizes the stringent standards of performance that they must meet.