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Electrical & Generator FAQs

Questions about backup power, panel capacity or older wiring? Puget Sound Electric Company answers common questions from Pierce County homeowners.

Home standby generators

How do I know if I need a home standby generator?

Consider how outages affect your heating, refrigeration, sump pump and other essential equipment. A standby generator may be worth considering if losing power creates significant disruption. Identify what you need to keep running, then discuss those priorities with a licensed electrician. Backup power for medical equipment also needs a plan developed with your healthcare provider.

Explore home generator installation

What size generator does a Pierce County home need?

There is no single size that fits every home, and square footage alone is not enough. A licensed electrician needs to perform a load calculation that considers essential circuits, large appliances and motor starting loads. Your backup priorities and any approved load-management equipment help determine the appropriate generator capacity.

How does an automatic standby generator work?

An automatic transfer switch detects a utility outage, signals the generator to start and transfers the selected electrical loads after generator power is ready. It keeps generator power isolated from the utility lines. When utility power returns and stabilizes, the switch transfers the loads back and the generator shuts down after its cooldown cycle. There is usually a brief interruption, not uninterrupted power.

Natural gas or propane for my generator?

The choice depends on fuel availability, the generator manufacturer's approved configuration and installation requirements. Natural gas requires adequate supply pressure and capacity; propane requires a properly sized tank and fuel delivery plan. A qualified fuel contractor should assess the supply, piping and local requirements alongside the electrical installation.

Do I need an electrician to install a generator?

A home standby generator needs a licensed electrician for the electrical connections, transfer equipment and grounding. Fuel connections may require a separate qualified contractor. Permits and inspections may apply, and placement must meet local rules and manufacturer requirements for exhaust clearance, ventilation and access. Never connect a generator through a household outlet; backfeeding can injure utility workers and others.

Discuss your generator installation with Puget Sound Electric Company

Electrical panels and upgrades

How do I know if I need an electrical panel upgrade?

An upgrade may be needed when your electrical service cannot support planned equipment, the panel has damage or defects, or suitable circuit capacity is unavailable. Frequent breaker trips deserve diagnosis, but do not automatically mean you need a larger panel. An electrician can inspect the equipment and calculate the load before recommending repair, added circuits or an upgrade.

Learn about electrical panel upgrades

Can my panel support an EV charger?

It depends on your service capacity, existing household loads and the charger's requirements—not just whether an empty breaker space is available. A licensed electrician can perform a load calculation and assess the circuit, wiring route and panel compatibility. In some homes, a lower charging rate or approved load-management system may be an alternative to a service upgrade.

Review EV charger installation options

What does a panel upgrade involve?

The work starts with evaluating your existing service and electrical needs. Depending on the scope, it may include replacing the panel, updating breakers and grounding, or changing service equipment. Utility coordination, permits and inspection may apply. A planned power interruption is generally needed; your electrician should explain the specific scope and arrangements before work begins.

Is an older electrical panel necessarily unsafe?

No. Age alone does not establish whether a panel is unsafe. Its condition, equipment type, installation, maintenance and ability to meet current needs all matter. Some older equipment has known concerns, while other panels may remain serviceable. Have a licensed electrician evaluate warning signs such as heat, corrosion, unusual noises or repeated breaker trips rather than assuming every older panel needs replacement.

Can a generator and panel upgrade be done together?

Yes, the projects can often be planned together when both are appropriate for your home. Coordinating the load calculation, transfer equipment and panel layout can help avoid incompatible equipment or duplicated work. A panel upgrade is not automatically required for a generator. The electrician should assess both needs and coordinate any utility work, permits and inspections.

Home electrical safety

What should I do if an outlet sparks or smells like burning?

Stop using the outlet. If it is safe to reach the panel, turn off the affected circuit and arrange an evaluation by a licensed electrician before using it again. Do not touch a hot or damaged outlet, remove its cover or repeatedly reset a tripping breaker. A brief spark when plugging in a device can occur, but persistent sparking, heat or a burning smell needs attention. If there is smoke, fire or immediate danger, leave the home and call 911.

When should older homes have their wiring evaluated?

Consider an evaluation when buying an older home, planning a renovation or adding major electrical loads, especially if the wiring history is unknown. Flickering lights, hot outlets, repeated breaker trips or damaged wiring are reasons to seek an assessment sooner. Age alone does not mean the entire home needs rewiring; an electrician can identify the condition of the wiring and recommend targeted repairs or replacement where needed.

Learn about whole-home rewiring and wiring evaluation

Have a question about your home?

Talk with Puget Sound Electric Company about your generator, electrical panel or wiring needs.