Replace century-old wiring. Local electricians in San Dimas with upfront pricing, same-day appointments and 24/7 emergency response.
Dab Electrical Services offers professional knob and tube wiring replacement in San Dimas, CA and Los Angeles County. 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. Our San Dimas electricians arrive on time, quote the price up front and complete most jobs the same day.
Why choose Dab Electrical Services for knob and tube wiring replacement in San Dimas? Because we show up when we say we will, explain every option in plain English and never pad the invoice. Our electricians in San Dimas 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 San Dimas, knob and tube removal San Dimas, knob and tube electrician San Dimas, old wiring replacement San Dimas.
Call: (888) 592-6466
Serving: San Dimas and Los Angeles County, plus La Verne, Glendora, Covina
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.
★★★★★“Recessed lighting in the kitchen and living room looks incredible. They laid out the pattern with us and patched every hole. Worth every penny.”
— Lauren K., San Dimas, CA
★★★★★“Hot tub wiring done right with the GFCI disconnect and bonding. Passed inspection the first time.”
— Kevin B., San Dimas, CA
★★★★★“Outdoor landscape lighting and a couple of switched outlets for holiday lights. The yard looks beautiful at night.”
— Hannah V., San Dimas, 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 San Dimas receive free written estimates. Diagnostic visits carry a small fee credited toward the repair.
All electrician services in San Dimas → · Knob and Tube Wiring Replacement across California →
Upfront pricing. Same-day appointments. 24/7 emergency response.
(888) 592-6466Request Service Online