Can Neutral And Ground Be Connected Together
Camila Farah
For multiple panels the situation is more complex.
All the neutral and ground or earth wires in a building are tied or linked together at the incoming service main breaker panel. That is for simple single panel installations. This is the only point at which the neutral connects to ground. Now if grounds and neutrals are joined together in the sub panel the current of all the 120 volt circuits that are operating will travel on the metal conduit and the neutral wire as well as the ground wire if present.
This is the only place they should ever be tied together because. When you look at a receptacle and plug you ll see there is a hot terminal a neutral terminal and a ground terminal. Neutral is usually connected to ground earth at the main electrical panel street drop or meter and also at the final step down transformer of the supply. The casing of something like a washing machine is connected to a ground wire in the lead which goes to the plug through the receptacle and back to the panel to save you from an electric shock.
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