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Neutral and Grounding -
Notes and Photos by Able Group Inc.
Explaining the neutral and grounding bar issues inside circuit breaker panels, transformers and other electrical equipment. The neutral point of an electrical supply system is often connected to an earth ground, because they are closely related (but have separate functions). In many cases, a conductor is used to connect to a system neutral, and is also used for grounding of equipment and structures at the Main Service Entrance. When performing electrical diagnostic service, we target every neutral and ground connecting point and secure it at first priority. Current carried on a grounding conductor can result in objectionable or dangerous voltages appearing on equipment enclosures, so the installation of grounding conductors and neutral conductors is carefully defined in electrical regulations. Neutral wires are usually connected at a neutral bus within panel boards, and are "bonded" to earth ground at either the electrical service entrance, or at transformers within the system. For larger electrical installations, the neutral point is usually at the common connection on the secondary side of delta / wye connected transformers.
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Project Notes:

 

 






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Neutral Bar -
Grounding Bar.

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