If the service meter is mounted on side of building, how far can the contractor go inside the building to install his service panel?
The service disconnecting means shall be installed at a readily accessible location outside or the nearest point of entrance of service conductors ( 230-70(a) ). Several years ago the NC Department of Insurance sent a letter to Inspections Departments across the state. The letter was mailed out trying to get the inspectors consistent with the distance of unfused conductors entering buildings. The letter stated the contractor could only extend two times the length of Service Panel or no distance greater than five feet, whichever distance is the shortest from the outside of the building. In many cases, that service disconnect must be outside. Exception 230-6: If raceway installed under slab or encased in concrete or brick not less than two inches thick, then it is considered outside of building and can be installed more than five feet into the building.
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