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TRUSTED BY KNOXVILLE, IA HOMEOWNERS

  • Average homeowner rating star icon3.5
    Average homeowner rating
  • Verified reviews icon19
    Verified electrical services reviews

Top-Rated Electricians in Knoxville - Updated Nov 2026

Avatar for WireOne, LLC
WireOne, LLC
4.0(
328
)
Electrical Switches, Outlets & Fixtures - Install or RepairElectrical Wiring or Panel UpgradeElectric Vehicle Charging Station Installation - Materials Not Provided+15 more

Serving Knoxville, IA and surrounding areas

Approved

In business since 2010

Emergency services offered

Warranties offered

"Fast and very friendly customer service. They were able to quickly diagnose the issue and had it fixed well above my expectations of time and service. The technician John was very helpful and I definitely recommend this Company. I will be hiring WireOne for all my future electrical needs."
Lighting
Lighting
Custom Lighting
Recessed Lighting
Lighting

+13

Response time11 hrs
209 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for Rewired
Rewired
5.0(
4
)
Fixed Generator - InstallElectrical Wiring or Panel Upgrade

Serving Knoxville, IA and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

We're the new kids on the block providing the highest quality work at lower prices to our local competition. Even though we're new we’ve already got over 270 reviews and a 5-star rating from our customers on Google. Always get a quote from Rewired to make sure you're getting a fair price. \n\nWe value giving our customers the highest quality of customer service possible from call to job completion. We love helping our community with everything from emergencies to long-term projects you can trust us to get the job done right first time.

Home Generator Install
Home Generator Install
Home Generator Install
Generac Generator
Pool Wire Installation

+164

Response time8 hrs
3 neighbors recently requested a quote
Recommended by50%of homeowners
Electrical Works of Iowa, L.L.C.
5.0(
6
)
Electric Vehicle Charging Station InstallationElectric Vehicle Charging Station Installation - For BusinessElectric Vehicle Charging Station Installation - For Business - Materials Not Provided+10 more

Serving Knoxville, IA and surrounding areas

In business since 2021

Free estimates

Credit card accepted

We specialize in electrical services, repairs, installs, lighting, panel upgrades, ceiling fans, and more! We guarantee your satisfaction, and we won't leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today!

Response time2 days
Recommended by100%of homeowners
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Electrical FAQs, answered by experts

Homeowners in Knoxville often skip required permits or use indoor-rated supplies outdoors, risking safety and code violations. Failing to install GFCI outlets in wet areas, mixing wire gauges, or not considering the frost line when burying home wiring are common errors. Overloading circuits in older homes and neglecting surge protection during storm season can also lead to costly repairs or hazards.

Helpful?

If you see sparking outlets, smell burning, or experience frequent breaker trips in Knoxville, these are clear signs you need electrical work. GFCI outlets tripping near water sources could indicate a plumbing leak, while sagging walls affecting outlets may point to structural issues. After a storm, if only part of your home loses power, call an electrician; for full outages, contact your utility provider.

Helpful?

In Knoxville, you can safely replace standard outlets or light switches if you turn off the breaker first and use insulated tools. Test GFCI outlets regularly, especially in damp areas. If you spot any signs of outdated wiring, storm damage, or moisture near electrical panels, stop immediately and contact a local electrical contractor to ensure your home wiring stays safe and up to code.

Helpful?

In Knoxville, if you notice flickering lights, frequent breaker trips, or outlets that feel warm, these may signal outdated home wiring. Look for old knob and tube wiring or aluminum wiring, especially in homes built before the 1980s. Burning odors, ungrounded outlets, or visible water damage in basements are also red flags. If you’re unsure, consult a licensed electrical contractor for a thorough inspection.

Helpful?

For electrical projects in Knoxville, it’s best to use 12 or 14 AWG copper wire with THWN-2 insulation, which is rated for both moisture and heat—ideal for Iowa’s weather. Choose weatherproof electrical boxes for outdoor use and install GFCI outlets in kitchens, bathrooms, and basements. Surge protectors are highly recommended due to frequent thunderstorms. Always double-check that all materials are rated for local code compliance.

Helpful?

The Knoxville, IA homeowners’ guide to electrical services

From average costs to expert advice, get all the answers you need to get your job done.