Replace century-old wiring. Local electricians in Sunnyvale with upfront pricing, same-day appointments and 24/7 emergency response.
Need a trusted electrician for knob and tube wiring replacement in Sunnyvale? 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. Dab Electrical Services serves Sunnyvale and Santa Clara County and surrounding communities including Mountain View, Cupertino, Santa Clara with fast scheduling and honest pricing.
Our Sunnyvale team completes knob and tube wiring replacement for single-family homes, condos, apartments, offices, restaurants and retail stores. If you are in Sunnyvale or nearby Mountain View, Cupertino, Santa Clara, you are in our service area and same-day appointments are usually available.
Popular searches we serve: knob and tube wiring replacement Sunnyvale, knob and tube removal Sunnyvale, knob and tube electrician Sunnyvale, old wiring replacement Sunnyvale.
Call: (888) 592-6466
Serving: Sunnyvale and Santa Clara County, plus Mountain View, Cupertino, Santa Clara
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.
★★★★★“Outdoor landscape lighting and a couple of switched outlets for holiday lights. The yard looks beautiful at night.”
— Hannah V., Sunnyvale, CA
★★★★★“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., Sunnyvale, CA
★★★★★“Standby generator installed before fire season. During the last shutoff it kicked on in seconds. Best decision we made this year.”
— Sofia L., Sunnyvale, 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. For permitted work in Sunnyvale we pull the permit, schedule the inspection and meet the inspector.
All electrician services in Sunnyvale → · Knob and Tube Wiring Replacement across California →
Upfront pricing. Same-day appointments. 24/7 emergency response.
(888) 592-6466Request Service Online