 mmoon6 join:2005-12-03 Marietta, GA | Grounding rules Grounding in a home is designed to send to ground any voltage from the house wiring accidentally touching something you could touch. As far as all things being bonded together-same deal. Keeps someone from hurting their self accidentally. Voltage levels to ground-50 volts or more has to have one wire at ground potential(as the home neutral is) in the circuit. Lightning is another story. You will not stop a direct strike without enough grounding to carry the average of 2600 amps or more to ground before it gets to you. Most widely available devices only carry away average disturbances on the power line (switching transients, induced voltages from near misses of lightning, etc.). Bonded together? try grabbing a hot ceiling track (short from 120v wiring) and ground without protection. That will get you to understand grounding quick! |