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Electrical Panel Replacement

Electrical Panel Replacement near you

Replace an old breaker panel or fuse box. Tell us about your panel replacement project and we’ll help you find local electricians who serve your area.

Free for homeowners · No obligation to hire

This type of work often has to be done by a licensed or certified trade. Ask to see licences and proof of insurance before work starts.
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Electrical panel replacement means removing an existing panel, whether a fuse box or an older breaker panel, and installing a new one in its place, usually at the same capacity. It isn't the same as an upgrade, which increases the capacity of the whole service. Here the goal is to retire equipment that has worn out, been damaged or become unreliable, so the circuits it feeds are properly protected again.

The panel is the main safety device in the house. Every breaker or fuse is there to cut the power the moment a circuit is overloaded or faulted. When the panel is corroded by moisture, damaged by water or heat, or built with parts that are hard to find or have been recalled, that protection can't be taken for granted. Plenty of older Canadian homes still have their original fuse box or an early breaker panel, often tucked in a damp corner of the basement.

Replacing a panel is licensed electrical work from start to finish. It involves a permit or notification, a power interruption that sometimes has to be arranged with the utility, and an inspection before the job is closed. Done at the right time, before a renovation or soon after buying an older house, it also settles insurance questions and prepares the home for whatever comes next.

Signs your electrical panel should be replaced

  • Rust or white corrosion on the panel door or enclosure, often from basement humidity or water running along the service conduit.
  • Water stains on or above the panel, or a panel that was under water during a flood.
  • Breakers that look scorched, feel warm, or won't reset or stay on.
  • A fuse box where fuses blow often, or where fuses of different sizes have ended up in the same panel over the years.
  • A steady buzzing or crackling sound coming from the panel.
  • Replacement breakers for your panel are hard to find, or an electrician has told you the model has a known problem or recall.
  • An insurer, a home inspector or a prospective buyer has flagged the panel.

Replace or upgrade: choosing the right fix for an old electrical panel

If the existing service is large enough for the house, a like-for-like replacement is the simplest fix. The new panel keeps the same capacity, the circuits are moved over, and, as Technical Safety BC's bulletin on single dwellings notes, the existing panel and conduit locations will normally be acceptable when the amperage rating doesn't change. A single faulty breaker in an otherwise sound panel can often be replaced on its own.

If a heat pump, an EV charger or a basement suite is on your list, replacing the panel at the same capacity may only postpone a second project. That's the moment to ask the electrician whether to combine the replacement with a service upgrade, so the disconnection, the permit and the inspection happen only once.

Fuse boxes, corroded panels and recalled electrical equipment

A fuse panel in good condition, fitted with fuses of the right size and type, can still protect its circuits. The trouble is that fuses make mistakes easy: a fuse that keeps blowing tempts someone to screw in a bigger one, which lets the wiring carry more current than it was built for. Fuse boxes also often come with a small service and few circuits, which is why many owners replace them before adding any load.

Moisture is a panel's worst enemy. Condensation, a leaking service mast or basement humidity can corrode the bus bars, the breaker connections and the enclosure, and a corroded connection gives off heat. After a flood, the CMEQ's checklist calls for replacing breakers and surge protection devices that were submerged, and the electrician will tell you whether the panel itself can be kept.

Some panels and breakers have been the subject of recalls or safety alerts over the years. The Government of Canada's recalls and safety alerts database and ESA's product recalls page can be searched by product type, and ESA advises contacting the manufacturer or retailer for the details of a particular recall. If you think your panel may be affected, don't open it to check: ask a licensed electrician to identify the model and advise you.

How an electrical panel replacement is carried out and inspected

  • The electrician examines the existing panel, the service and the circuits, and confirms whether a like-for-like replacement or an upgrade is the right job.
  • The permit or notification is filed with the provincial authority or the municipality before the work begins.
  • On the day of the work, the power is cut, either at the main disconnect or by the utility at the meter, depending on the installation.
  • Each circuit is disconnected, identified and reconnected to the new panel, damaged conductors are repaired, and grounding and bonding are checked.
  • The new panel is labelled circuit by circuit, and the power comes back on once the electrician and, where required, the utility or the inspection authority allow it.
  • The inspection follows; in Ontario, ESA issues a Certificate of Acceptance to the person who filed the notification once the work passes.

Panel replacement permits, inspection records and home insurance

Insurers look closely at electrical systems in older homes. ESA notes that many insurers won't provide or renew coverage on homes with knob-and-tube wiring, and that some require an ESA inspection before insuring a home with aluminium wiring. The panel is part of the same picture, so before you renew a policy or buy a house, ask the insurer exactly what it wants to see.

Keep every document. ESA describes its Certificate of Acceptance as important for insurance and resale, and other provinces keep their own permit and inspection records. A permit and a passed inspection show an insurer or a buyer that the new panel was installed by a licensed electrician and checked, not swapped quietly over a weekend. In Quebec, Hydro-Québec states that only a CMEQ member can carry out work on an electrical installation and send it a request for work, so the contractor's name on the paperwork matters too.

Staying safe around an old or damaged electrical panel

  • Never remove the panel cover: some parts behind it can stay live even when the main breaker is off.
  • Keep the space in front of the panel clear and dry, with no boxes, laundry or stored paint leaning against it.
  • If the panel is hot, smells of burning or has water on it, keep everyone away and call an electrician; switch off the main breaker only if the panel and the floor are dry.
  • Don't try to swap a panel or move circuits yourself, even where your province allows some owner electrical work; the service and the panel belong with a licensed electrician.
  • After a flood, leave the panel off until an electrician has checked it and replaced what was under water.

Electrical Panel Replacement: frequently asked questions

Is a fuse box dangerous?

Not necessarily. A fuse box in good condition, with fuses of the correct size and type, still protects its circuits. The risks come from oversized fuses, worn fuse holders, corrosion and a lack of capacity for today's appliances. Have a licensed electrician assess it, and ask your insurer whether it has any requirements for homes with fuse panels.

How do I find out if my electrical panel has been recalled?

Search the Government of Canada's recalls and safety alerts database or ESA's product recalls page for panels and breakers, and ask an electrician to identify the model without you opening the panel. For the details of a specific recall, ESA advises contacting the manufacturer or the retailer.

Will a new electrical panel give my house more power?

Not by itself. A replacement at the same capacity gives you a safer panel, and often more breaker spaces, but the amount of power available depends on the service coming from the utility. If you need more capacity, the replacement has to be combined with a service upgrade.

Should I tell my insurance company when I replace my panel?

Yes, it's worth doing. Send the insurer proof that the work was permitted and inspected, such as ESA's Certificate of Acceptance in Ontario. A documented replacement can answer questions the insurer raised about the old panel, and it's useful again when you sell.

Does a panel that got wet in a flood have to be replaced?

Parts of it, at the very least. The CMEQ's flood checklist calls for replacing breakers and surge protection devices that were submerged, and an electrician will decide whether the panel itself can stay. Don't turn the power back on until the installation has been checked.

Sources

  1. Government of Canada: Recalls and safety alerts
  2. Electrical Safety Authority: Product recalls and safety alerts
  3. Technical Safety BC: Minimum requirements for upgrading electrical systems in single dwellings
  4. Electrical Safety Authority: Notifications and inspections
  5. Electrical Safety Authority: Knob and tube wiring
  6. Electrical Safety Authority: Aluminum wiring
  7. CMEQ: Floods
  8. Hydro-Québec: Power grid connections and extensions for residential customers

Written by the LokalMatch editorial team. Last reviewed September 10, 2026.

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What affects the cost of panel replacement

Prices depend on the details of your project. We only publish price ranges when they’re backed by real LokalMatch quote data or reliable sources. Until then, here’s what usually changes the price:

  • Type and amount of work, from a single fixture to a full rewire
  • Condition and age of the existing wiring
  • Panel and service capacity
  • Distance from the panel to the new circuit
  • Access through finished walls and ceilings
  • Permits and inspections

How to compare electricians before you hire

  • Hire a licensed electrician or electrical contractor for any wiring, panel or new circuit work.
  • Ask whether the work needs a permit and inspection, and make sure the electrician arranges it.
  • Get a written quote that lists fixtures, materials, patching of walls and ceilings, and permit costs.
  • For panel upgrades and EV chargers, ask them to check whether your electrical service can handle the added load.
  • Choose someone who explains what they found in plain language before starting.

Questions to ask electricians before you hire

  • Are you licensed for electrical work in my province?
  • Will you get the permit and arrange the inspection?
  • Can my current panel and service handle this work?
  • Will you need to open walls or ceilings, and who patches them afterwards?
  • Is the price fixed, or could it change once you see the existing wiring?
  • What warranty do you offer on your work?

When to call a pro for panel replacement

  • Burning smells, scorch marks or warm outlets and switches: turn off the circuit at the panel if it's safe to do so and call an electrician.
  • Breakers that trip again and again
  • Flickering or dimming lights that aren't fixed by changing the bulb
  • Any sparking, buzzing or exposed wiring

Panel replacement permits and local rules

Some panel replacement work needs a permit or has to meet local bylaws. Rules vary by municipality, so ask your pro whether a permit is needed and who will apply for it — and check with your city or town if you’re unsure.

Permits and licensing

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