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Home Rewiring · Kentucky
Rewiring replaces old branch-circuit wiring, such as knob-and-tube, ungrounded cloth-insulated cable or 1960s–70s aluminum branch wiring, with modern grounded copper cable. It can be done room by room, and an electrician will tell you which circuits matter most.
Older homes in Louisville and Lexington, plus spring storms and flooding, account for most repair calls.
Across the Southeast, homes deal with heat, humidity, frequent thunderstorms and hurricane season near the coast. Permit offices, utilities and housing stock differ by city, which affects how home rewiring is planned and scheduled. These local guides cover the Kentucky cities where we have written specific notes.
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. Shotgun houses, with rooms in a line and no hallways, can make routing new cable long and awkward, and electricians often use the crawl space or attic.
Utility: LG&E
Homes in Chevy Chase, Ashland Park and Bell Court date from the early 1900s to the 1930s, and some still have knob-and-tube or ungrounded circuits mixed with later work. Rewiring is commonly done during renovations or when an insurer asks about older wiring.
Utility: Kentucky Utilities (KU)
1. Assessment
Wiring type, condition and circuit layout are documented.
2. Plan and permit
Circuits are prioritized and the work is permitted.
3. Rewire
New cable is fished through walls and ceilings with minimal openings.
4. Inspection and patching
Rough-in and final inspections, then wall openings are closed.
Electricians set their own prices; local permit fees and utility requirements add to these factors.
Permits come from the city or county where the home is. For example: 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. Lexington: Lexington and Fayette County share a merged urban county government, and electrical permits come from its Division of Building Inspection.
Louisville: LG&E. Lexington: Kentucky Utilities (KU).
No. Many homeowners rewire in phases, starting with kitchens, baths and bedrooms.
Aluminum branch wiring can overheat at connections. Approved repairs (such as rated connectors) or replacement reduce the risk; an electrician can advise which fits.
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