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Find Electrical for home addition or remodel installers in Portsmouth

Avatar for Cotti-Johnson HVAC, Plumbing and Electrical RI
Cotti-Johnson HVAC, Plumbing and Electrical RI
4.8(
27
)

Serving Portsmouth, RI and surrounding areas

Approved (Corporate)

In business since 1948

Free estimates

Emergency services offered

"Gil, Luis, and Don were tremendous when they arrived to install my new AC system. I'm incredibly happy I chose Cotti-Johnson for their expertise and professionalism, from install all the way through clean up."
Additional Photos
Additional Photos
Additional Photos
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Additional Photos

+40

Response time7 hrs
26 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Champion Electrical Services Inc
Champion Electrical Services Inc
5.0(
54
)

Serving Portsmouth, RI and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

At Champion Electrical Services, we believe homeowners deserve better. No more no-shows, rushed work, or upsells you don't need. We built this company to do things right - with respect, craftsmanship, and pride. Every project is treated like it's being done in our own home: clean, code-compliant, and built to last. Whether you need a panel upgrade, EV charger, generator, or quick repair, we show up when it counts and earn your trust every time. \nLicensed, insured, and proudly serving MA & RI. \nWhen the lights go out, don't call just anyone. Call the Champ.\n\n(774) 331-3500 \nCalltheChamp.com \nHello@CallTheChamp.com

My jobs
My jobs
My jobs
My jobs
My jobs

+17

257 neighbors recently requested a quote
Avatar for V. ISA GENERAL CONSTRUCTION CONTRACTING
V. ISA GENERAL CONSTRUCTION CONTRACTING
4.8(
110
)

Serving Portsmouth, RI and surrounding areas

Approved

Super Service Award Winner

In business since 2000

Free estimates

Emergency services offered

"We hired V. ISA GENERAL CONSTRUCTION CONTRACTING to remove / deactivate knob and tube wiring and update all our home’s wiring. The service was extremely professional, and far exceeded our expectations. We had a thorough walkthrough both before and after the work was completed, and the company was able to work with us as we made changes during the engagement. Because we had such a good experience with our electrical project we plan to hire them again for additional projects at our home. I could not have asked for an easier group to work with and they made me feel extremely comfortable throughout the entire experience."
Bathroom remodel
Bathroom remodel
Electric car charging
Standby generators
Plugs and switches

+21

Response time7 hrs
Response rate100%
11 neighbors recently requested a quote
Avatar for Berarducci Electric LLC
Berarducci Electric LLC
5.0(
6
)

Serving Portsmouth, RI and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!\n

Response time2 days
10 neighbors recently requested a quote
Recommended by16%of homeowners
Avatar for Beacon Electrical Solutions & Technology Inc.
Beacon Electrical Solutions & Technology Inc.
4.5(
2
)

Serving Portsmouth, RI and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"He has done 2 different jobs for us in our home. Rasheed was very conscientious of cleanliness. He was very efficient and came well prepared for the job. I am extremely satisfied with the results of both project. I have even recommended him to friends!"
Response time3 days
Recommended by100%of homeowners
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FAQs for electrical for home addition or remodel installation projects in Portsmouth, RI

Because installing coax outlets involves working around existing electrical wiring and confirming proper grounding, many homeowners prefer to hire a licensed electrician. A professional completes the work safely, secures the line behind the wall, and ensures the installation meets local code, which reduces the risk of damage or future repairs.

You still need a coaxial outlet for most cable-based internet services. The modem draws its signal from a cable line that terminates at a dedicated wall jack. Once the modem is online, your Wi-Fi router can broadcast the signal throughout the home, so the outlet’s location doesn’t affect wireless performance. If an existing jack is damaged or in an inconvenient spot, an electrician can move it or install a new one to maintain a strong, reliable connection.

Coaxial cable loses signal strength the farther it runs. A 50-foot length introduces noticeable loss, and a 100-foot stretch can drop the signal by roughly 30%. A weaker signal can result in a fuzzy picture or slower internet speeds. To maintain high performance, limit cable length whenever possible, select the correct cable grade, and route it efficiently. If your layout demands an exceptionally long run, an electrician can install an inline amplifier to boost the signal and maintain picture or data quality.

The Portsmouth, RI homeowners’ guide to electrical for home addition or remodel installations

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