Why Ground Fault Switch Interrupter is Important
Why Ground Fault Switch Interrupter is Important. A ground fault circuit interrupter (GFCI), also known as a ground fault switch interrupter, is a device that is designed to protect people from electric shock caused by ground faults. Ground faults occur when electrical current flows through an unintended path, such as through a person's body or through water. This can occur if an appliance or electrical device is damaged or faulty, or if there is a problem…