Generally, youâll have a shorter wait time if you call during the week after Tuesday. If you are deaf or hard of hearing, call our toll-free TTY number, 1-800-325-0778, between 7 a.m. and 7 p.m. Monday through Friday.
A ground/earth fault is a fault where part of the current returns back through a path other than the opposing hot or, more critically, neutral. A neutral/earth fault is dangerous because the circuit will continue to function normally, but the hot and neutral leg currents are imbalanced, and the chassis can become energized.
Definition of fault. 1  intransitive verb. 2  1 : to commit a fault : err. 3  2 : to fracture so as to produce a geologic fault.  transitive 1  verb. 1 : to find a fault in easy to praise this book and to fault it â H. G. Roepke.  2 : to produce a geologic 1  fault in. 3 : blame, censure can't fault them for not coming.