Electrovoltage Electrical Services

Service Areas / Ajax

Knob-and-Tube Wiring Removal in Ajax

Safe removal and replacement of outdated knob-and-tube wiring in older Toronto and GTA homes.

Call (416) 828-6976

Serving Ajax

Ajax’s mix of postwar bungalows in the town’s original core, older homes in Pickering Village, and fast-growing subdivisions north of Taunton Road means our electricians see a genuinely wide range of work here. We provide panel upgrades, EV charger installation, and general electrical repairs to homeowners, property managers, and businesses throughout Ajax, sized to whether you’re in a decades-old bungalow or a brand-new build.

In South Ajax and Pickering Village, where some of the town’s oldest housing stock sits alongside its original postwar bungalows, panel upgrades, knob-and-tube assessments, and general troubleshooting are our most common calls. In Northeast Ajax and Audley’s newer subdivisions, still under active development north of Taunton Road, requests lean toward EV charger installation and smart lighting rather than panel replacements. Along the Ajax waterfront near Lake Driveway and Rotary Park, lake-effect storm exposure keeps generator and surge protection installs common, while the Ajax Business Park and Bayly Street corridor bring commercial maintenance and lighting retrofit work for retail and light-industrial tenants.

We regularly work in:South Ajax,Pickering Village,Northeast Ajax,Audley,Ajax Waterfront, and the rest of Ajax.

Knob-and-Tube Wiring Removal in Ajax: What to Expect

Pickering Village’s older homes, some predating Ajax’s own development as a postwar town, are the properties most likely to still carry knob-and-tube wiring, and it’s a common finding during renovations or pre-sale inspections in that pocket. South Ajax’s postwar bungalows are generally just past the knob-and-tube era but are worth checking on a case-by-case basis, while Northeast Ajax and Audley’s newer subdivisions postdate it entirely.

More about our work in Ajax
Knob-and-Tube Wiring Removal in Ajax

Overview

We provide knob-and-tube wiring removal for homes and businesses throughout Ajax, including South Ajax, Pickering Village, Northeast Ajax, Audley, and the rest of Ajax.

Knob-and-tube wiring was standard in homes built before the 1950s, and a lot of it is still live in walls and ceilings across Toronto today. It has no ground conductor, its rubber insulation degrades with age, and it was never designed for modern loads. We assess your existing wiring, explain what’s actually still knob-and-tube versus what’s already been updated, and remove and replace it with modern copper wiring that meets current code and satisfies insurance requirements.

  • Full and partial knob-and-tube rewiring
  • Insurance-ready ESA documentation
  • Minimal drywall disruption
Call (416) 828-6976 for Knob-and-Tube Wiring Removal in Ajax

Why It Matters

Most Ontario insurers will not write or renew a homeowner policy on a house with active knob-and-tube wiring, which is often the real trigger for this call, not a specific electrical symptom. Beyond insurance, the risk is real: the original insulation becomes brittle with age and is not rated to be covered by modern attic insulation, which traps heat around the conductors, and the lack of a ground conductor means some circuits can’t safely support grounded appliances or GFCI protection. It shows up most often in Toronto’s older east and west end neighbourhoods, in homes that have been partially rewired over the decades, sometimes leaving a mix of knob-and-tube and modern wiring in the same house that needs to be properly traced before any work starts.

How Knob-and-Tube Wiring Removal Works

  1. 1

    Wiring assessment

    We trace your home’s circuits to identify exactly which areas are still on knob-and-tube versus already updated, and check panel capacity for the new wiring.

  2. 2

    Rewire plan & permit

    We scope a partial or full rewire based on what we find, and pull the ESA permit before any work begins.

  3. 3

    Removal & rewiring

    We remove the old wiring and run new copper circuits, working through existing wall and ceiling cavities to keep drywall disruption to a minimum.

  4. 4

    ESA inspection & documentation

    Once inspected and approved, you get a certificate of inspection for your insurer or for your records.

What Affects the Cost

Pickering Village properties price out on the same full-versus-partial rewire assessment as any older housing stock, South Ajax bungalows are usually a quick confirmation visit given their later construction era, and Northeast Ajax and Audley simply don’t carry this cost.

Cost depends on how much of the home is still on knob-and-tube versus already updated, whether walls and ceilings are finished or open, whether the job is a full-home rewire or a targeted partial replacement, and whether panel capacity needs to be increased to support the new circuits.

Frequently Asked Questions

Is knob-and-tube wiring common in Pickering Village?
It’s the area of Ajax most likely to have it, given some homes there predate the town’s postwar development. We trace the actual circuits to confirm rather than assuming based on the home’s general age.
Do Ajax’s postwar bungalows in South Ajax ever have knob-and-tube wiring?
It’s less common since most were built just after that era, but we still check on a case-by-case basis, particularly for homes with additions or renovations from the original construction period.
How do I know if my home still has knob-and-tube wiring?
Knob-and-tube is visible in unfinished attics and basements as ceramic knobs and tubes with cloth-insulated wiring. Many homes have a mix of knob-and-tube and updated wiring, so a proper inspection is the only way to know for certain.
Does my home insurance require knob-and-tube removal?
Many insurers in Ontario will not write or renew a policy on a home with active knob-and-tube wiring, or will require it to be inspected and certified. We provide documentation your insurer can use either way.
Do you need to open every wall to remove knob-and-tube wiring?
Not always. We route new wiring through existing wall and ceiling cavities wherever possible, and will tell you upfront if a section genuinely requires opening drywall.
Can knob-and-tube wiring be replaced in stages?
Yes, a partial rewire is common, especially if only certain circuits or areas of the home are still on knob-and-tube. We can also plan a phased full rewire if that fits your budget better.
How long does a knob-and-tube rewire take?
A single-circuit or partial rewire can often be done in a day or two, while a full-home rewire typically takes several days depending on the size and layout of the house.
How much does knob-and-tube wiring removal cost?
Cost depends on how much of the home needs rewiring and how accessible the walls and ceilings are. We provide a clear quote after assessing your home’s actual wiring.

Other Services in Ajax

Panel Upgrades in Ajax

Upgrade your electrical panel for improved safety, capacity and reliability.

EV Charger Installation in Ajax

Professional EV charger installation for homes and businesses.

Fire Alarm Installation in Ajax

Protect your property with code-compliant fire alarm systems and monitoring.

Potlights & Lighting in Ajax

Custom lighting design and installation to enhance your space.

Electrical Troubleshooting in Ajax

Fast diagnosis and repair for electrical issues big or small.

24/7 Emergency Electrician in Ajax

Round-the-clock emergency electrical response for power outages, sparking outlets, and burning smells.

Commercial Electrical Services in Ajax

Reliable electrical solutions for offices, retail and industrial properties.

Backyard & Garden Lighting in Ajax

Custom backyard and garden lighting design and installation for outdoor living and landscaping.

Industrial Electrician

Fault finding, diagnostics and electrical maintenance for industrial and production facilities.

Aluminum Wiring Replacement in Ajax

Aluminum wiring repair and replacement to reduce fire risk and meet insurance requirements.

Generator Installation in Ajax

Standby generator installation and backup power systems for homes and businesses.

Electrical Safety Inspection in Ajax

ESA-compliant electrical safety inspections for home sales, insurance, and peace of mind.

Whole-Home Surge Protection in Ajax

Panel-level surge protection to guard your home’s electronics and appliances.

Basement Electrical Wiring in Ajax

Electrical rough-in and finishing for basement renovations and legal second suites.

Air Conditioner Electrical Installation

Dedicated circuits, disconnect switches, and panel capacity for central air and ductless AC systems.

Hot Tub Electrical Installation

GFCI-protected dedicated circuits, disconnects, and bonding for hot tubs and spas, installed to Ontario Electrical Code.

Smart Video Doorbell Installation

Correct wiring, transformer, and power setup for Ring, Nest, and other video doorbells, done right the first time.

Sump Pump Panel Installation in Ajax

Duplex sump pump control panel installation and wiring for industrial, commercial and multi-residential properties, with alarms and redundant pump control.

High Bay Lighting Installation

LED high bay lighting installation and retrofits for warehouses, shops and industrial facilities, wired for even coverage and lower energy costs.

600V Welding Plug Installation

600V welding disconnect and pin-and-sleeve plug installation for industrial and commercial shops running heavy-duty welding equipment.

Restaurant Electrician in Ajax

Electrical installation and repair for restaurants and commercial kitchens, from hood suppression interlocks to dedicated equipment circuits.

Warehouse Electrician

Electrical installation and repair for warehouses and distribution centres, from dock and racking power to forklift charging stations.

Security Camera Installation

Wiring and power for CCTV and PoE security camera systems in homes and businesses, done right the first time.

Outlet Installation & Repair

New outlet installation, relocations, and repairs for homes and businesses, including GFCI, USB, and dedicated appliance circuits.

Three-Phase Motor Wiring & Repair

Three-phase motor circuit installation, motor control wiring, and repair for industrial and commercial equipment.

Solar PV Installation

Grid-tied solar PV system design and installation, including panel mounting, inverter wiring, and utility interconnection.

Security Alarm Installation

Wiring and installation for burglar alarm systems, including door/window sensors, motion detectors, keypads, and monitoring.

Sound System Installation

Wiring and installation for in-wall, in-ceiling, outdoor and multi-room sound systems, done right the first time.

Exhaust Fan Installation

Bathroom, kitchen, and range hood exhaust fan installation and wiring, vented properly to code.

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(416) 828-6976