![]() I AM NOT A PRO so this may not be 100% correct. ![]() When the two meet at the panel, the fault current is sent back the POCO transformer along the Grounded (Neutral) condutor. When a circuit or appliance with a ground wire has a ground fault condition, current follows the Grounding conductor (ground wire). I think The proper single point connection is the two wires being connected to the same bar at the main panel. One of the most frequent suggestions is "wiring simplified". There are countless books that explain the basics of electrical theory. You need to get a good book and study up on electrical theory. They are not trying to be rude, but it is becoming obvious you have no understanding of the basics of electrical theory. All of them are experienced professionals who spent countless hours learning electrical theory. Does that help a little?īus Driver and Petey Racer are professional electricians, Brickeye is an electrical engineer. The 120V electrons want to get to ground, not the transformer. Even though they are at 0 V, they are still just as dangerous as the 120V electrons. The neutral wire electrons want to get back to the transformer. They can't get back to the transformer because they have escaped from the circuit and are still at 120V, not 0 V. These dangerous electrons are diverted into the earth. It is there to divert any electrons that are still at 120V and that have escaped from the circuit due to a short. The grounding conductor (bare copper) is connected to either copper water pipes or ground rods buried in the ground. The electrons leaving your house, now at 0 V are re-energized at the transformer and then come back again to your house at 120V. It is this neutral conductor that completes the circuit. The transformer lowers the power company (POCO) voltage from around 12 000 or more V to 120V. The neutral (grounded) conductor re-connects with the transformer either on the utility pole or in a green surface enclosure in the neighborhood.
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