Replace century-old wiring. Local electricians in Walnut with upfront pricing, same-day appointments and 24/7 emergency response.
Searching for knob and tube wiring replacement near me in Walnut? Dab Electrical Services is the local electrical company Walnut homeowners and businesses trust. Knob and tube wiring has no ground, brittle insulation and cannot be buried in insulation. We replace it with modern grounded wiring and help you satisfy insurance requirements. We serve every neighborhood in Walnut and nearby Rowland Heights, Diamond Bar, La Puente.
Why choose Dab Electrical Services for knob and tube wiring replacement in Walnut? Because we show up when we say we will, explain every option in plain English and never pad the invoice. Our electricians in Walnut carry the parts for most jobs on the truck so your knob and tube wiring replacement is finished in one visit.
Popular searches we serve: knob and tube wiring replacement Walnut, knob and tube removal Walnut, knob and tube electrician Walnut, old wiring replacement Walnut.
Call: (888) 592-6466
Serving: Walnut and Los Angeles County, plus Rowland Heights, Diamond Bar, La Puente
Availability: 24/7 emergency · Same-day appointments
Call NowTell us what is going on. For emergencies we dispatch immediately; for projects we schedule a convenient arrival window.
Your electrician inspects the issue, explains the options and gives you a firm price before any work starts.
We complete the job to code, test everything, clean up and walk you through what was done.
Your work is backed by our workmanship warranty, and we are one call away if you ever need us again.
★★★★★“Had a Level 2 EV charger installed in the garage. Clean conduit run, permit handled, and they even submitted the rebate paperwork. Charging at home now.”
— Daniel R., Walnut, CA
★★★★★“Our office build-out had a tight deadline and they delivered. Workstation power, lighting and the server room all done ahead of schedule.”
— Nicole F., Walnut, CA
★★★★★“Sub panel for our new ADU, trenched and inspected without any hassle. Clear communication the whole way.”
— Andre L., Walnut, CA
Existing wiring is allowed in many areas, but it cannot be extended and insurers often refuse to cover it.
No. Covering knob and tube with insulation is a fire hazard and a code violation.
We fish new cable through existing paths and make small, patchable openings.
Yes. Installation projects in Walnut receive free written estimates. Diagnostic visits carry a small fee credited toward the repair.
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Upfront pricing. Same-day appointments. 24/7 emergency response.
(888) 592-6466Request Service Online