Posted by regularguy on February 13, 2010 at 10:53:18 from (68.78.132.145):
There are a lot of folks on this forum that are real up to date with electrical codes and I have a grounding question that I researched a great deal and still I am confused. I understand that the service neutral and ground (earth) should only be connected in one place and that is the service dissconnect, and in my case the service disconnect is the main breaker box where the main 200 amp disconnect lives. But in the meter can (Millbanks) the neutral from the power company and the neutral going to the Main breaker box are on a buss bar that is bolted to the meter can directly, there is no isolation device that I can see by looking. In addition to the Neutral conductors on the nuetral buss bar there is also the ground conductor from earth and the ground conductor that goes to the main breaker box (service disconnect). In my mind this also is a connection between neutral and ground and should be removed and the ground passed though the meter can, but this leaves the meter can without a earth ground. I am certain that from the main breaker box to the rest of the house all neutrals and grounds are seperate as they are supposed to be, but I'm not sure about the meter can. If someone could offer some insight that would be great. Thanks in advance and I included a picture.
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