Old Wiring Replaced Before It Becomes a Liability
Knob and Tube Wiring Removal in Kansas City for homes with brittle exposed conductors, insurance coverage denials, or circuits that cannot meet current code
Kansas City's older housing stock carries a concentration of knob and tube wiring that was standard practice through the mid-twentieth century but is now a documented fire and insurance liability. The system was designed without a ground conductor, uses cloth-wrapped insulation that becomes brittle and friable with age, and cannot be safely extended or modified to serve modern electrical loads. Galvin Electric Company, Inc. replaces knob and tube wiring in Kansas City with properly insulated Romex or conduit circuits that are grounded, protected by modern breakers, and compliant with current code.
Full replacement begins with a system-wide assessment to map existing knob and tube runs and plan new wire routes that minimize wall disruption. New wiring is routed through walls and ceilings to reach each outlet, switch, and fixture location, with junction boxes installed wherever connections are made. The new circuits connect to an upgraded panel rather than to the old fuse or undersized breaker equipment that typically accompanies original knob and tube systems. Every circuit is tested for continuity, proper grounding, and correct breaker protection before the system is considered complete.
Request a wiring assessment to determine the scope of knob and tube wiring present in your home and what replacement work is required.
Why Knob and Tube Removal Matters Beyond the Fire Hazard
Insurance carriers increasingly refuse to write or renew homeowner's policies on properties with active knob and tube wiring—and in some cases, coverage is voided mid-term when an inspection reveals it. That creates a situation where the wiring is not just a physical hazard but a title and financing obstacle. Homes in Midtown and other pre-war Kansas City neighborhoods are most commonly affected because the construction era aligns directly with the period when knob and tube was the standard installation method.
After replacement is complete, you will notice that outlets throughout the affected areas now include a ground slot, the panel no longer shows circuits controlled by fuses or oversized breakers that were compensating for the old system's limitations, and the wiring in accessible areas such as the basement or attic no longer shows exposed ceramic knobs or porcelain tubes running between joists and studs. Those physical changes are also the documentation an insurance carrier or home inspector will look for when confirming the upgrade.
One detail that affects project planning in older homes is wall construction—plaster-and-lath walls common in pre-1950 Kansas City properties make wire fishing significantly more labor-intensive than drywall construction. The route planning step of the assessment is designed specifically to identify pathways that allow new wire to be run with the least amount of wall opening, which reduces both disruption during the work and patching required afterward.
Answers About How the Work Is Done
The questions below address the practical aspects of knob and tube removal—what the replacement involves, how the work is sequenced, and what changes are observable once the job is finished.
What makes knob and tube wiring a fire hazard compared to modern wiring?
The insulation on knob and tube conductors is cloth or rubber that degrades over decades, leaving exposed copper that can arc against wood framing or contact insulation materials that were added to the home after the original wiring was installed. Modern Romex uses thermoplastic insulation rated to withstand heat and contact without degrading under normal service conditions.
How is new wiring routed through finished walls without removing all the drywall or plaster?
The crew plans routes that use existing wall cavities, drill points at top and bottom plates, and access through attic or basement spaces where available. In older Kansas City homes with plaster-and-lath construction, the routing plan is mapped in advance to minimize the number of access points required, and wall openings are limited to locations where new boxes are installed.
Why does knob and tube replacement typically involve panel work as well?
Original panels in homes with knob and tube wiring are usually fuse-based or fitted with breakers that were added later and may be oversized for the circuits they protect. New circuits installed during replacement are connected to a panel with correctly rated breakers, which is required both for code compliance and for the circuits to be properly protected against overload.
What should you check after knob and tube wiring has been replaced?
Outlets in upgraded areas should have three-slot receptacles with a functioning ground, every circuit should be controlled by a correctly sized breaker at the panel, and no exposed knob or tube wiring should remain visible in the attic, basement, or any accessible wall cavity. An inspector or insurance carrier will verify these same points.
How does the condition of the existing panel affect the scope of a knob and tube replacement project?
If the panel has adequate capacity and is already fitted with modern breakers, new circuits can often be added without a full panel replacement. If the existing equipment is a fuse box or a panel with known safety deficiencies, replacement of that equipment is incorporated into the project scope during the assessment phase.
Galvin Electric Company, Inc. is licensed in Johnson County and Kansas City and handles knob and tube replacement in both residential and mixed-use properties. Galvin Electric Company, Inc. also removes and replaces knob and tube wiring in Overland Park, Lenexa, Lee's Summit, Olathe, and Belton. To get a clear picture of what replacement involves in your specific home, schedule an assessment so the scope and routing plan can be established before any work begins.