Ground Fault Circuit Breakers Prevent Electrocutions and Save Lives
By Mark J. Donovan
||Circuit breakers are designed to trip when too much current runs through an electrical circuit in your home. Ground fault circuit breakers, (aka ground fault circuit interrupters – GFCI) are also designed to trip for overload conditions. In addition, ground fault circuit breakers are also designed to protect people from becoming electrocuted. More specifically, ground fault circuit breakers are designed to sense the slightest loss or change in current draw in the circuit and trip before a dangerous current level could be experienced by a person.
Most ground fault circuit breakers today are designed to trip after sensing just a few milliamps of current loss in the circuit.
Ground fault circuit breakers are also designed to sense a ground fault condition. A ground fault condition is when a hot power line (black or red electrical wire) comes in direct contact with ground.
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