Knob-and-Tube Wiring Replacement · Louisville, KY
Knob-and-Tube Wiring Replacement in Louisville, KY
Knob-and-tube replacement removes early wiring (about 1880s to 1940s) that runs on ceramic knobs and tubes without a ground, and replaces it with modern grounded cable. It is commonly done before insulating, during renovations, or when an insurer requires it.
- Call now to check electrician availability in your area
- Independent, licensed electricians
- Serving Old Louisville, The Highlands, Germantown and more
Why knob-and-tube wiring replacement comes up in Louisville
Old Louisville has one of the largest collections of Victorian homes in the country, and those houses, along with the shotguns of Germantown and Schnitzelburg and the homes of the Highlands and Crescent Hill, often still have knob-and-tube wiring. Many large Old Louisville homes were divided into apartments, leaving old and new wiring side by side. Basements and attics give the electrician routes for new cable.
Preservation districts review exterior changes. Permits come from Louisville Metro's Codes and Regulations, and LG&E coordinates any service change. Ask for the rewire documented for insurers.
- Older homes often have knob-and-tube, cloth wiring and small services, and shotgun houses can have a single small panel serving a long, narrow layout.
- Knob-and-tube in Victorian and shotgun homes.
- Old Louisville's Victorians and the shotgun houses of Germantown and Schnitzelburg often contain knob-and-tube, cloth-insulated wiring or a patchwork of additions.
- Louisville's Old Louisville, the Highlands, Germantown and Crescent Hill hold one of the largest collections of Victorian homes in the country, and an inspection before buying often finds knob-and-tube, cloth wiring, small services and apartments carved out of large houses with wiring added without permits.
- Permits in Louisville
- Louisville and Jefferson County share a merged government, and electrical permits come from Louisville Metro's Office of Construction Review; Jeffersontown runs its own building department.
- Electric utility
- LG&E
Signs to look for
- Ceramic knobs and tubes visible in the attic or basement
- Two-prong outlets throughout the house
- An insulation contractor or energy program requiring an assessment
- An insurer asking about wiring type
- Fuses or a small service alongside old wiring
How the work is done
1. Trace active circuits
The electrician identifies which knob-and-tube runs are still live and where they go.
2. Plan the routes
New cable routes are planned through attics, basements and walls to minimize openings.
3. Install new circuits
Grounded cable, boxes and devices are installed and the old wiring is disconnected.
4. Inspect and patch
Rough-in and final inspections are completed, and access holes are patched.
What moves the price in Louisville
Electricians set their own prices. Older homes often have knob-and-tube, cloth wiring and small services, and shotgun houses can have a single small panel serving a long, narrow layout.
- How much knob-and-tube is still active
- Plaster versus drywall walls
- Attic and basement access
- Number of floors
- Panel upgrade at the same time
- Wall patching and painting
Knob-and-Tube Wiring Replacement in Louisville: questions
Do I need a permit for knob-and-tube wiring replacement in Louisville?
Usually, yes. Louisville and Jefferson County share a merged government, and electrical permits come from Louisville Metro's Office of Construction Review; Jeffersontown runs its own building department. The electrician normally pulls the permit and schedules the inspection.
Is the utility involved in Louisville?
If the work affects the meter or service, the electrician coordinates with LG&E, which owns the meter and service drop.
Is knob-and-tube wiring illegal?
Existing knob-and-tube is generally not illegal, but it cannot be extended, and many insurers and lenders treat it as a reason to replace.
Can knob-and-tube be insulated over?
It is not recommended, and many codes and insulation programs prohibit it, because the wiring relies on open air to cool.
How do I know if mine is still live?
An electrician can test it. Many homes have a mix of active and abandoned knob-and-tube.
How long does replacement take?
From a few days for a small home with good access to a few weeks for larger plaster-walled homes.
Related help in Louisville
Knob-and-Tube Wiring Replacement in other cities
Need knob-and-tube wiring replacement in Louisville?
Call now and we connect you with a licensed electrician who serves your ZIP code.