Electrical Code…
- Overhead Service Conductors
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The overhead conductors between the service point and the first point of connection to the service-entrance conductors at the building or other structure.
- Underground Service Conductors
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The underground conductors between the service point and the first point of connection to the service-entrance conductors in a terminal box, meter, or other enclosure, inside or outside the building wall.
Informational Note: Where there is no terminal box, meter, or other enclosure, the point of connection is considered to be the point of entrance of the service conductors into the building.
- Service Conductors
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The conductors from the service point to the service disconnecting means.
(National Electrical Code® 100-1)