Alliston · Alectra Utilities service area
Rewiring and new circuits for homes around Alliston
A brick house on an old main street, a farmhouse that grew room by room and a newer home short on circuits need different work. We find out what's in the walls first, then plan it in stages.
Older housing in New Tecumseth
Small-town houses with a long history
The original streets of Alliston, Beeton and Tottenham have houses that have been rewired in pieces for generations. One owner redid the kitchen, another finished the basement, and a third added a bathroom upstairs. Each left newer cable beside the old, joined at splices that may sit in a ceiling or a crawlspace.
Farmhouses in the township often go further. A summer kitchen became a family room, a woodshed became a laundry, and a porch was closed in. The wiring followed each change, so one building can hold work from very different decades.
What can turn up
Knob-and-tube wiring was used in Ontario houses until about the 1940s. It has no ground, and its old insulation turns brittle. Where it survives, it's usually in attics and walls nobody has opened. Houses from the mid-1960s to the late 1970s may have aluminum branch wiring, which needs devices rated for it and careful connections.
By building
Matching the plan to the property
Dates are approximate. A renovated house often holds more than one era.
| Building | Where | What we look for | A typical plan |
|---|---|---|---|
| Pre-war town house | Older streets of Alliston, Beeton, Tottenham | Knob-and-tube or early two-wire cable still connected | Assess, then rewire in phases, often with a panel upgrade |
| Farmhouse with additions | Colgan and the rural township | Mixed eras, hidden splices, tired outbuilding feeders | Map the circuits, replace the weak runs, renew feeders |
| 1960s to 1980s home | Post-war streets in each town | Ungrounded circuits, aluminum in some homes, a full panel | Repair or replace weak circuits and add grounded ones |
| 1990s and newer | The subdivisions | Too few circuits for today's use | New circuits for an office, basement, garage or kitchen |
Newer homes
Sound wiring, not enough of it
Homes in the newer subdivisions usually have grounded copper wiring in good shape. What they lack is capacity where people now need it. A basement gym, a home office with several screens or a garage workshop rarely appeared on the builder's plan.
Much of that work fits into one visit. Think of an office circuit, garage GFCI outlets, a chest freezer line or outlets moved for a TV. If you're finishing the basement, the circuits are planned before the drywall goes up.
A warm outlet or switch plate
Often a loose or failing connection. Stop using it and have it checked.
Two-prong outlets
A sign of ungrounded circuits in an older house.
Breakers that trip in winter
Space heaters and block heaters on circuits that were never meant for them.
A flicker when the pump starts
A shared circuit or a connection that needs attention.
Wiring and panel together
One project, one utility visit
New circuits need breakers, and an older panel in town is rarely able to take them. Pairing the rewire with a New Tecumseth panel upgrade puts every new circuit in a panel built for it. The utility also comes out only once. For how we run rewiring jobs in general, see our home wiring page, or return to Alliston and area.
The order of work
Map it first, open walls last
We record what's there, then choose which rooms go first. Kitchens, bathrooms and anything showing heat damage usually lead.
Book an assessmentQuestions
Wiring and rewiring in Alliston: questions
Our farmhouse has been added onto several times. Where do you start?
With a map. We trace which circuits feed which rooms, note where old and new cable meet, and look at the panel, basement and attic. Additions often hide splices in places that are hard to reach. Once we know the layout, we can tell you which parts need replacing and in what order.
Could an older house in Beeton or Tottenham still have knob-and-tube?
It's possible in a house of that age. Knob-and-tube is the early system of single wires run on ceramic knobs and tubes, with no ground. Many homes had it partly replaced decades ago. An inspection of the panel, basement and attic shows whether any is still live.
The wiring to our barn is old. Is that part of a rewire?
It can be. Feeders to outbuildings were often added years apart, buried shallow or strung between buildings. We check the cable type, its condition, how it's protected and the grounding at the far end. Replacing a feeder is permitted through ESA like the house wiring.
Are you licensed and insured?
Yes. Marrast Contracting is a Licensed Electrical Contractor, licence ECRA/ESA 7016430, and every job is led by Shaldin Marrast, a Master Electrician. You can check our licence on the Electrical Safety Authority's contractor lookup at esasafe.com.
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