Knob and tube rewire for older homes in Pierce County

If your home still has knob and tube wiring, you’re not alone—and you’re not stuck with it. Homes built from the late 1800s through the 1940s commonly used knob and tube (K&T) wiring. It worked for small loads and simple lighting, but it was never designed for today’s appliances, electronics, and HVAC systems.

253 Electric specializes in full and partial knob and tube rewires for older homes in Graham, Puyallup, Spanaway, Eatonville, and surrounding communities. We replace unsafe, ungrounded wiring with modern, code-compliant circuits so you can sleep better, insure your home more easily, and plan future upgrades with confidence.

Quick answer: If you have active knob and tube wiring, the safest long‑term solution is a professional rewire by a licensed electrician.

What is knob and tube wiring?

Knob and tube wiring is an early electrical method that uses:

  • Porcelain knobs to support individual wires along framing.

  • Porcelain tubes to protect wires as they pass through studs and joists.

  • Separate hot and neutral conductors run several inches apart, with no ground wire.

  • Cloth or rubber insulation around the copper conductors.

It was considered safe when installed correctly and left in open air. The problem is time, added insulation, and modern electrical loads—none of which Knob and Tube was designed to handle.

Why knob and tube wiring is a problem today

Safety risks

  • No grounding: There is no equipment ground, which means faults have no safe path and shock risk is higher.

  • Aged insulation: Cloth and rubber insulation becomes brittle, cracks, and can fall off after decades, exposing bare conductors near wood framing and insulation.

  • Overloading: Circuits sized for a few lights and a radio now see microwaves, space heaters, window AC units, and home offices. That extra load creates heat and stress on already fragile wiring.

  • Buried in insulation: Knob and Tube was designed to dissipate heat into open air. When blown-in insulation covers the wires, heat gets trapped and fire risk increases significantly.

Insurance and resale issues

Many homeowners insurance companies either:

  • Refuse to insure homes with active knob and tube wiring, or

  • Charge higher premiums and require upgrades within a set timeframe.

Real estate inspectors routinely flag K&T, and buyers often use it as leverage to negotiate price or require a rewire before closing. Replacing knob and tube wiring is not just a safety upgrade—it’s often a financial and insurance necessity.

Signs your home may still have knob and tube wiring

You may have knob and tube wiring if:

  • Your home was built before 1950 and has never had a full rewire.

  • You see white ceramic knobs or tubes on basement joists or in the attic.

  • You have two-prong outlets with no ground in older parts of the home.

  • Insulation contractors or home inspectors have flagged “knob and tube” in reports.

  • You experience frequent blown fuses or tripped breakers when using multiple appliances.

If you’re unsure, 253 Electric can perform a detailed electrical inspection and map where Knob and Tube is still active.

Our knob and tube rewiring process

1. Inspection and planning

  • Full assessment: We locate all visible knob and tube runs, junctions, and connected devices.

  • Load and panel review: We evaluate your existing service, panel capacity, and grounding to ensure the new wiring has a solid backbone.

  • Clear scope and pricing: You’ll receive a written proposal outlining what will be replaced, what walls may need access, and how we’ll protect finishes as much as possible.

2. Rewiring and upgrades

  • New circuits: We install modern NM-B or conduit wiring with proper grounding, sized for today’s loads and future needs.

  • Outlet and lighting upgrades: We replace outdated devices with grounded receptacles, GFCI/AFCI protection where required, and modern lighting connections.

  • Code-compliant installation: All work is performed to current NEC and local code requirements by licensed electricians.

3. Patching and cleanup

  • Minimal access holes: In many homes we can fish new wiring with small, strategic openings instead of full wall demo.

  • Coordination with drywall/paint: We can coordinate with your preferred drywall/paint contractor or recommend local pros to restore surfaces.

  • Final walkthrough: We test every circuit, label the panel, and walk you through what was done and how to use any new protection devices.

4. Documentation for insurance and resale

  • Written documentation: We provide an invoice and description of the rewire scope.

  • Inspection reports: If your insurer or buyer needs proof that knob and tube has been removed or decommissioned, we can provide a letter describing the work completed and the current condition of the system.

Why homeowners choose 253 Electric for knob and tube rewires

  • Local, licensed, and insured: We’re a Graham-based electrical contractor that works on older homes across Pierce County.

  • Experience with older construction: We understand plaster, lath, tight crawlspaces, and the realities of working in homes that have seen multiple “DIY upgrades” over the years.

  • Clear communication: You’ll know what’s happening, when, and why—no surprises, no disappearing crews.

  • Safety-first mindset: Our goal is simple: a safer home, a cleaner panel, and wiring you don’t have to worry about.

  • Respect for your home: We protect floors, clean up daily, and treat your home like it’s our own.

Service area for knob and tube rewiring

253 Electric provides knob and tube rewiring and older-home electrical upgrades in:

  • Graham

  • Puyallup

  • Spanaway

  • Eatonville

  • Orting

  • South Hill

  • Tacoma

  • Nearby Pierce County communities

If you’re not sure whether you’re in our service area, reach out—we’ll let you know quickly and honestly.