
Wiring & Rewiring in Yarmouth, Maine
New Circuit Installation · Whole-Home Rewiring · Knob & Tube Replacement
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Wiring & Rewiring for Yarmouth Homeowners

Yarmouth homeowners call Aces Highlands for wiring & rewiring because we are close by, based at 508 Riverside St Unit 1 in Portland, and out on Cumberland County roads every day — we know this area's housing, weather and permit process cold.
Whether you need a single new circuit or a complete rewire of an older home, Aces Highlands handles residential wiring with precision and code compliance.
Older homes in the Portland area may still have knob-and-tube or aluminum wiring that presents safety risks and insurance issues. We replace outdated wiring with modern copper wiring, properly routed and protected in every wall and ceiling cavity. A rewire often pairs with a panel upgrade for a fully modernized electrical system.
For renovations and additions, we run new circuits, install junction boxes, and ensure proper wire sizing for the intended load. We also handle plumbing and HVAC work for remodel projects, keeping everything under one roof.
Every wiring job includes proper circuit labeling, secure connections, and thorough testing. We pull permits when required and schedule inspections to ensure full code compliance.
Why Yarmouth Calls Aces Highlands
- A Cumberland County crew that already knows Yarmouth's streets and housing stock
- Pricing you see up front and a diagnosis you can trust — never a sales pitch
- Same-week scheduling for most service calls
- Licensed and insured, and reviewed by real customers on Google
Yarmouth Homes and What They Need
Yarmouth's housing is among the oldest in this part of the county. Census estimates put the median year built at 1973, about one in five homes predates 1940 and roughly two-thirds were built before 1980. Main Street, between the Upper Village and Lower Falls, is lined with captains' houses and 19th-century homes from the town's shipbuilding era, and the town counts a dozen properties on the National Register of Historic Places. Cousins and Littlejohn islands add shorefront houses and former summer cottages. Yarmouth also has far more variety than towns to the north, with about a quarter of its units in attached houses, condominiums and apartment buildings. Old village houses commonly have cast-iron radiators, plaster walls and nowhere easy to run ductwork, which is why boiler service and replacement is often the first heating decision here, rather than adding a ducted system.
Power, Storms and Wiring in Yarmouth
Central Maine Power delivers Yarmouth's electricity, and the town is also home to one of Maine's largest power plants: Wyman Station on Cousins Island, an oil-fired plant of more than 800 megawatts that now runs mainly at times of peak demand and added battery storage in 2016. Having a big plant in town does not protect neighbourhood lines, though. Coastal wind and ice bring down trees along island and shore roads, and in the December 2023 wind and rain storm Cumberland County had the most outages of any county in the state. Yarmouth commutes are short: Census data show roughly three-quarters of workers who commute travel under half an hour, well within the range of any electric car. A home EV charger in an older house usually starts with a check of the service and panel, and whole-house surge protection is worth adding.

Getting to Know Yarmouth
Yarmouth is home to Eartha, the world's largest rotating globe — over 41 feet in diameter and certified by Guinness World Records — housed in the former DeLorme (now Garmin) headquarters just off Route 1. Every July since 1965, the town has also hosted the Yarmouth Clam Festival, a free three-day event that draws tens of thousands of visitors.
Yarmouth Village's charming older homes are part of the town's appeal — and they frequently need the wiring updates, boiler replacements, and ductless retrofits that historic housing demands. That is our specialty.
Local & Independent — Not a Franchise
We are an independent, Portland-based company, not a franchise chain routing your Yarmouth job to a call center. Technicians are not on commission, so the recommendation you get is the one your house actually needs. That is how we keep customers calling back, one honest job at a time.
How Your Electrical Panel Works
- Meter — measures the power the utility delivers
- Main breaker — the single shutoff for the whole panel
- Branch breakers — one per circuit, trip on overload or a fault
- Neutral / ground bus — the common return and safety path
- Panel capacity — how much headroom is left for new circuits
Homeowner Guide
Old Wiring, Explained: Knob-and-Tube and Aluminum Branch Circuits
Southern Maine has a lot of housing stock old enough to have gone through several wiring eras, and two of them come up constantly on inspection reports: knob-and-tube and aluminum branch-circuit wiring. Neither one means your house is unsafe today, but both mean something specific, and homeowners deserve the real explanation instead of a scare pitch.
Read the Full GuideMore Electrical Services
Wiring & Rewiring is part of our full electrical services lineup. Explore the details or browse everything we offer in Yarmouth.
Wiring & Rewiring DetailsAll Services in YarmouthService Info
Codes & Permits for Wiring & Rewiring in Yarmouth
Electrical work in Yarmouth is licensed and permitted under Maine's Electricians' Examining Board, which adopted the 2026 National Electrical Code effective July 1, 2026. Yarmouth names its Local Electrical Inspector directly: Michael Payne, Electrical Inspector, Yarmouth Building Permits & Codes Office, 200 Main Street, (207) 846-2401; electrical inspections are scheduled Mondays and Wednesdays per the department's page. Yarmouth has a Historic Preservation Committee and zoning provisions for designated historic districts, sites, and objects.
- CPSC Publication 516 ('Repairing Aluminum Wiring') states that homes built before 1965 are unlikely to have aluminum branch-circuit wiring, while homes built between 1965 and the mid-1970s may have it; a Franklin Research Institute survey found that homes with this pre-1972 aluminum wiring are 55 times more likely to have a connection reach 'Fire Hazard Conditions' at a receptacle, switch, or other connection point than a home wired with copper. The underlying hazard is heat building up at the aluminum-to-device connection, not the aluminum wire itself failing. cpsc.gov
- CPSC recognizes three permanent repair methods for aluminum branch-circuit wiring: (1) complete rewiring with copper, (2) the COPALUM crimp connection system, and (3) an approved 'alternative repair method' using a listed connector such as an AlumiConn connector to pigtail a short length of copper wire onto the existing aluminum conductor. CPSC does not list simply swapping in CO/ALR-rated devices as one of its three approved permanent repairs, and does not endorse do-it-yourself repair. cpsc.gov
- Any work extending, altering, or replacing existing wiring — including older knob-and-tube or aluminum branch-circuit wiring found in Maine's older housing stock — must be performed by a Maine-licensed electrician and brought up to the currently adopted 2026 NEC for the portion of the system being worked on. maine.gov
- The Electricians' Examining Board's own notice confirms the same adoption: 'The Maine Electricians' Examining Board has adopted a new Chapter 120, Electrical Installation Standards, incorporating the 2026 NEC by reference... All installations of electrical equipment commencing on or after July 1, 2026 must comply with the NFPA standard 70, National Electrical Code (2026 edition).' maine.gov
How Aces Highlands Handles Wiring & Rewiring in Yarmouth
- 17% of Yarmouth's homes predate 1940, old enough that knob-and-tube or aluminum branch wiring still turns up behind the plaster — both get brought up to current code as we go, not patched around.
- Swapping a switch or outlet for an identical one is exempt "minor repair work" under Maine law; extending or adding circuits is not, and gets its own permit before we start.
- We label circuits as we go and bring anything new up to the 2026 National Electrical Code, Maine's current standard.
A historic building along U.S. Route 1 in Yarmouth, near the town's downtown.
Street View © Google
Why homeowners choose Aces Highlands
We show up when we say
We show up on time, as promised, and complete the work with clean professionalism.
Pricing upfront, before work starts
Honest diagnostics and a clear price before any work begins — no surprises on the invoice.
Done right the first time
HVAC, plumbing and electrical done right the first time — backed by our workmanship guarantee and 100% satisfaction guarantee.
Locally owned in Portland, Maine · Serving Greater Portland and Southern Maine since 2019
What Electrical customers say
Malina Foss
3 months ago
I can not recommend Sam and his team enough!! In a world of slow response times and cut corners they went above and beyond in every area, installing a new electrical panel for me. Their attention to detail and love of their craft truly sets them apart from the rest!
Susan Donegan
3 months ago
We have called Samuel for our electrical needs over the last few years and have always been impressed with professional and courteous attitude — installing extra outlets, installing new lights and ceiling fans, our whole house generator, charger for the electric car, even the hot tub!!! His price was fair, and never disappointed when work was completed.
Amanda R
2 months ago
I've had an excellent experience working with them for both electrical and HVAC work as I remodel my 1785 home. I highly recommend them.
Jacqueline Vogeley
2 weeks ago
Great experience! Open, honest and efficient 🙌🏽 Job well done
Ruth Kirkwood
3 months ago
This company is excellent. They quickly and efficiently repaired the kitchen faucet that was loose.
Steve Robertson
3 months ago
Where to begin? These guys hooked up a sauna for me and did an amazing job, it was not a small job. Projects big or small, these guys are my go to. Responsive, reasonably priced, and professional. In a world where it is tough to get good service, I'm thrilled to have these guys in my phone.
Wiring & Rewiring FAQs
Will my insurance company cover a home with knob-and-tube wiring?
Increasingly, no. Many insurers in Maine decline coverage or charge steep premiums for homes with active knob-and-tube, and some require replacement before closing on a sale. Rewiring resolves the insurance problem and removes a genuine fire risk at the same time.
How much does it cost to rewire a house?
Nationally, whole-home rewiring typically runs $4-$10+ per square foot depending on access, home age, and finish level — a partial rewire of only the original circuits costs far less. After walking your home, we quote a firm written price so there are no surprises.
Do you have to open up all my walls to rewire?
No. We fish new wiring through existing cavities from basements, attics, and small access openings. Some targeted drywall openings are usually necessary, but they are modest and easy to patch — nothing like the gut job people imagine.
How long does a whole-home rewire take?
Most single-family rewires take several days to a week depending on size and access. We stage the work so you keep power in the rooms you are living in, and we walk you through the schedule before we start.
Can I just add GFCI outlets instead of rewiring?
Sometimes. GFCI protection can add shock protection to ungrounded circuits and is a legitimate, code-recognized improvement. But it does not fix deteriorated insulation or overloaded conductors. We will tell you honestly which situation you have — protection upgrade or genuine rewire.
More Services in Yarmouth
Aces Highlands handles HVAC, plumbing, and electrical for Yarmouth homeowners. Here is more of what we do nearby.
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Call our Yarmouth team or get a free quote. We will get you scheduled and take care of it right the first time.
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