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Find Electrical for home addition or remodel installers in Johnston

Avatar for V. ISA GENERAL CONSTRUCTION CONTRACTING
V. ISA GENERAL CONSTRUCTION CONTRACTING
4.8(
109
)

Serving Johnston, 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 time6 hrs
Response rate90%
13 neighbors recently requested a quote
Avatar for Cotti-Johnson HVAC, Plumbing and Electrical RI
Cotti-Johnson HVAC, Plumbing and Electrical RI
4.8(
27
)

Serving Johnston, RI and surrounding areas

Approved (Corporate)

In business since 1948

Free estimates

Emergency services offered

"I can't say enough about the team at Cotti-Johnson. From my scheduling with Mel, to the estimate with Ryan and finally, the install crew of Gil, Luis and Nick. Everyone was so professional, courteous and time-considerate. Gil even took extra time to mop my floor to ensure that they left no trace of working in my home! I would recommend this team in a heartbeat."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+40

Response time7 hrs
18 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for S & S ELECTRIC
S & S ELECTRIC
4.7(
83
)

Serving Johnston, RI and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"S & S Electric did a fantastic job. They were friendly, knowledgeable, efficient and their price was better than all competitors'. They cleaned up after themselves, they did some extra work without trying to nickel and dime me. I am very happy with the work they performed and will gladly use them again."
Response time2 days
3 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Champion Electrical Services Inc
Champion Electrical Services Inc
5.0(
54
)

Serving Johnston, 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

212 neighbors recently requested a quote
Avatar for D.P. Electric, Inc.
D.P. Electric, Inc.
4.9(
54
)

Serving Johnston, RI and surrounding areas

Approved

Super Service Award Winner

In business since 1981

Free estimates

Warranties offered

"DP Electric Inc. visited my home, gave me a quote and completed the job in one day. Installed a receptacle and switch near my bedroom and cleaned up before leaving."
Response time8 hrs
Response rate85%
37 neighbors recently requested a quote
Avatar for Kelco Electric Inc
Kelco Electric Inc
4.7(
45
)

Serving Johnston, RI and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

"Called to see if they could come early. Electrician was friendly, explained what he was going to do, did the job and gave me an invoice, and took my payment. I would definitely recommend Kelco to anyone needing electrical work."
Response time1 day
Response rate92%
Recommended by90%of homeowners
Avatar for NRG Electrical Inc
NRG Electrical Inc
5.0(
13
)

Serving Johnston, RI and surrounding areas

Approved

In business since 2013

Free estimates

Offers commercial services

"NRG Electrical did an amazing job at adding installing my smoke alarm system in my home. Mark and Josh were both Professional, knowledgeable and efficient. They left my home clean if not cleaner then when they began the work. I would recommend them for all your Electrical needs."
Wire new Home
Wire 3 phase Transformer
Kitchen Remodel
After
During

+3

9 neighbors recently requested a quote
Avatar for ABN Electric LLC
ABN Electric LLC
5.0(
9
)

Serving Johnston, RI and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

"He is very thorough. He explained everything to me about what was going to be done in the aspect of the electrical wires. He gave me various options since I was on a budget. That was great! Overall he is a great guy! It was a good experience. I will definitely use him again and will recommend him to others."
Response time50 mins
Response rate97%
1 neighbors recently requested a quote
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FAQs for electrical for home addition or remodel installation projects in Johnston, 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 Johnston, 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.