Does the service entrance include the electric meter?

The service entrance may include meter-related equipment, but ownership and exact boundaries depend on the utility arrangement. The meter socket and service disconnect can form part of the service connection.

What can change during a service entrance review?

A service entrance review can change the panel upgrade plan when conductors, grounding connections, or disconnect equipment do not match the proposed distribution equipment.

Why is the service entrance checked during a panel upgrade?

The service entrance is checked because the panel receives power through that connection. Its condition and configuration affect how the upgraded panel connects to the building’s electrical system.

Glossary

What Is a Service Entrance?

A service entrance is the point where electrical service from the utility enters a building and connects with the premises wiring. It includes the service conductors, equipment, and disconnecting means that deliver power to the main distribution equipment. The service entrance separates utility-owned facilities from the building’s electrical system.

Quick Facts About Service Entrance

Key Takeaways About Service Entrance

The service entrance marks the utility-to-building connection.
Service equipment controls and protects incoming electrical power.
The service entrance is not the same as a branch circuit.

How Service Entrance Works

A smiling man points at an electric meter on a brick wall while holding a testing device outside a house

The service entrance carries electrical power from the utility service point to the building’s service equipment. Service entrance conductors connect with the main disconnect and distribution equipment, which controls power entering the premises. The arrangement provides a clear transition between the utility supply and the wiring owned by the property.

Related glossary terms: Load Center, Disconnect Switch, Grounding Electrode.

The service entrance may include an overhead or underground connection, service raceway, meter equipment, disconnecting means, and grounding connections. Its layout depends on the building design and the utility connection. During an electrical panel upgrade, the service entrance must be reviewed so the upgraded equipment matches the incoming service and the existing building wiring.

An open electrical panel sits on a concrete floor, surrounded by tools, wires, screws, and fittings

From the Chris Miller Electric team

When we handle an electrical panel upgrade, we inspect the service entrance before planning the new equipment. We check the incoming conductors, service disconnect, grounding connections, and available capacity. This review helps us identify connection problems that could affect the panel work.

Service Entrance in Practice: A Real-World Example

A homeowner plans an electrical panel upgrade while keeping the existing utility connection. We inspect the service entrance to confirm that the incoming conductors, disconnect, and grounding connections are suitable for the proposed panel equipment.