Panel installation: a guide for pros

What customers ask, how to win the job, and what to put on your profile.

Offering panel installation

Panel installation is high-trust work where the load calculation, the grounding and the paper trail matter most. Electricians who do it well document the existing system, explain the service size choice, and start the utility coordination early.

What customers ask

  • Do I need a bigger service, or can I keep my current panel?
  • Why does my panel need replacing when the lights still work?
  • How long will my power be off, and what happens during the utility step?
  • Will you check my grounding and the service entrance too?
  • Can you move my circuits to the new panel without rewiring the house?

How to win the job

  • On the first call, ask what loads the home has now and what is planned, such as an EV charger or heat pump. That sets the service size before you visit.
  • Bring a load worksheet and photos of the existing panel to the walkthrough, and explain what you see in plain terms.
  • Quote the utility coordination as its own line, so the customer sees who handles each step.
  • Show the breaker and bus condition with photos, and explain any failure you find, such as heat marks or double-tapped breakers.
  • Explain the main breaker and panel choice, and confirm that every breaker is listed for that panel.
  • Give a written outage plan with the sequence of steps and the inspection date.

What to put on your profile

  • Photos of finished panel work with clean labeling and organized wire routing
  • Before and after photos of a panel replacement showing the old condition
  • The panel types and service sizes you work with, listed by name

Follow-up that helps the customer

  • Offer a surge protection device for the new panel, and explain what it covers and what it does not
  • Suggest planning circuits for an EV charger or heat pump now, so the new panel is sized for them
  • Offer a periodic check of panel connections, with the results written up for the homeowner

Licenses and permits

Panel installation is commonly performed under an electrical contractor license, and a permit with inspection is often required. Check with your state or local licensing agency and building department for the rules that apply to service work.

Questions

Should the customer choose the panel brand?

Customers often ask. The panel must match the breakers you install, and the choice affects availability and warranty. Present the options, explain the compatibility rule, and let the customer decide with that information.

How do I handle a utility delay?

Schedule the utility step early and confirm it in writing. Tell the customer the date depends on the utility and the inspector, and update them each time the schedule moves.

About this guide

This national guide is written and checked by infinibell. Rules and conditions differ by place, so local pros are credited on guides for the cities they serve, not on national ones.

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