Comprehensive Electrical Service Upgrades.

Reliable Power Starts at the Meter: Main Service Entrance Experts.

The electrical service entrance—including your meter, mast, and service entry cable—is the crucial point where utility power enters your home or business. If this system is old, damaged, or severely undersized, it can pose significant safety risks and create a bottleneck that prevents you from realizing the full capacity of a modern electrical panel.

United Electrical Systems (UES) specializes in full electrical service upgrades and meter replacement across the Bay Area and Santa Cruz. This work is highly technical and requires direct coordination with your utility provider, such as PG&E. We manage the entire process seamlessly, ensuring code compliance and guaranteeing a stable, safe source of power for the long term.

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The Complex Components We Upgrade

We ensure every part of your service entrance is brought up to the latest NEC and local code standards:

Service Entrance Cable

The heavy-gauge wiring running from the mast/weatherhead to the meter and into the panel. Replace this with properly sized, modern cable that meets new load calculations.

Meter Socket Replacement

The heavy-duty base that houses the utility meter. Replacing damaged or aging meter sockets is critical for safety and utility access.

Service Mast / Weatherhead

The metal pipe extending above the roofline where the utility lines connect to your home. Repairing or replacing damaged masts to prevent water penetration and structural failure.

Grounding System

The wires and rods that direct electricity into the earth in the event of a fault or lightning strike. Installation of new, up-to-code grounding rods for maximum safety protection.

When is a Main Service Upgrade Necessary?

While a panel upgrade replaces the box inside, a service upgrade replaces the infrastructure that feeds power to that box. This major work is required in specific, critical scenarios:

Severe Capacity Increase: If you require a move from a small 60-amp or 100-amp service to 200 amps or more for EV charging, large HVAC systems, and heavy residential loads.

Weather Damage: The mast, weatherhead, or service entry cable has been damaged by storms, trees, or corrosion.

Utility Demand: Your utility provider (PG&E) may require a service upgrade before approving a new meter or installation, such as solar or high-capacity systems.

Aging Infrastructure: The components are simply too old, utilizing outdated, unsafe materials that fail inspection.

Meter Socket Damage: The meter socket is corroded, cracked, or failing to hold the utility meter securely.

Why Choose United Electrical Systems for Your Main Service Upgrade

Expert Utility Coordination: We handle all necessary scheduling, paperwork, and logistics directly with PG&E and local inspectors, ensuring a seamless process with minimal downtime for you.

Code-Compliant Engineering: We perform advanced load calculations to ensure your new service line and meter are size correctly for today’s needs and future demands (EVs, heat pumps).

Safety and Integrity: Every component is installed to the highest safety and material standards, providing a permanent, safe, and reliable source of electricity.

Future-Proofing: We upgrade your system not just to fix a problem, but to create a scalable foundation that supports all your future major electrical additions.

Long-Term Relationship: Our commitment is to be the last electrician you need, meaning we guarantee the work is done perfectly so you never have to worry about your main service again.

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