Top-rated electrical wiring or panel upgrade pros.

Get matched with top electrical wiring or panel upgrade pros in Knoxville, TN

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Electrical wiring or panel upgrade pros in Knoxville

Avatar for Mayflower Electric LLC
Mayflower Electric LLC
5.0(
13
)

Serving Knoxville, TN and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Customers say: True professional

"Contracted to install new panel which will support plug in generator. Installed what I needed/ wanted, no up sell. His estimate was reasonable, but unlike other contractors, he did not ghost me, he showed up when scheduled and did the job."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+5

3 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Dobbins Electric
Dobbins Electric
4.7(
76
)

Serving Knoxville, TN and surrounding areas

Approved

In business since 1998

Free estimates

Emergency services offered

"We were very happy with the electrical service that Mike Hobbins performed. He has excellent customer service skills, professional, knowledgeable, prompt, and follows through. We highly recommend Mike Dobbins for your electrical needs!"
Response time1 day
1 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Guaranteed Services LLC
Guaranteed Services LLC
5.0(
7
)

Serving Knoxville, TN and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

"I had an excellent experience working with Guaranteed Services LLC in Tennessee. Their team was professional, responsive, and knowledgeable from start to finish. They handled my project efficiently and made sure all permits and paperwork were done correctly and on time. What really stood out was their honesty and attention to detail. They explained every step clearly, stayed transparent about costs, and delivered exactly what they promised. It?s rare to find a company that combines great customer service with genuine expertise, but Guaranteed Services LLC does just that. I highly recommend them to anyone in need of reliable, licensed professionals who take pride in their work. I cannot thank you guys enough!"
Response time5 hrs
Response rate100%
2 neighbors recently requested a quote
Avatar for Mills Electric
Mills Electric
4.7(
20
)

Serving Knoxville, TN and surrounding areas

Approved

In business since 1995

Free estimates

Warranties offered

"Excellent. Workers did an excellent job at a very reasonable price. James worked with me to develop a very reasonable approach to address past problems as well as installing the Tesla charger. The approach was cost competitive. I highly recommend Mills Electric."
Electrical Project
Additional Photos
Response time1 day
6 neighbors recently requested a quote
Recommended by68%of homeowners
Avatar for Remnant Electric LLC
Remnant Electric LLC
5.0(
17
)

Serving Knoxville, TN and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

"Tymothy and his team went above and beyond my expectations. Changed out an outdated panel, installed lighting in multiple rooms, and installed an outside disconnect for a new hot tub. They were so professional in everything they did. Kept job site clean and organized. Completed work before expected. Everything they did works exactly as it should. Would recommend them to anyone needing any electrical work done."
Remnant Electric LLC
4 neighbors recently requested a quote
Recommended by33%of homeowners
...
Showing 1-10 of 160
FAQs for electrical wiring or panel upgrade projects in Knoxville, TN

A whole-house surge protector blocks voltage spikes from lightning, grid issues, or even large appliances before they can fry your wiring or electronics. By diverting excess current at the main panel, it shields everything from your HVAC to your phone chargers and can extend the life of pricey appliances. Homeowners in storm-prone regions or with older panels see the biggest payoff, but any home that relies on sensitive electronics benefits.

Most whole-house surge protectors work for two to three years. Low-level spikes—too small to notice—hit your panel every day and slowly wear down the internal components. Once the unit’s capacity is depleted, it can’t prevent a larger surge, so plan to replace it on schedule (or sooner if a major lightning strike occurs) to keep your electronics and HVAC equipment safe.

A surge protector begins guarding your circuits the moment an electrician snaps it into place. Whether the spike originates from a nearby lightning strike or your fridge kicking on, the protector shunts the extra current to ground before it can reach outlets or hard-wired systems, such as your AC. That instant response is why a small upfront cost can save thousands in appliance repairs.

The unit mounts on or next to your main electrical panel. Type 1 models sit on the supply side, catching outside spikes before they hit the breaker. Type 2 devices snap inside the panel and tame surges that start within the house. Either way, placement at the panel lets the protector guard every circuit at once.

Plan to swap the device every three to five years—or sooner if you upgrade your panel, add high-demand appliances, or notice flickering lights and tripped breakers. Relying on a maze of power strips is another red flag that your current setup isn’t keeping up. Replacing the surge protector at these milestones keeps your electrical system on safe footing.

The Knoxville, TN homeowners’ guide to electrical wiring or panel upgrades

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