Electrical Code…
- Service Conductors
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The conductors from the service point to the service disconnecting means.
- 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.
(National Electrical Code® 100-1)