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Electrical for home addition or remodel installers in Rockville

Avatar for One Source, LLC
One Source, LLC
7914 Queenair Drive
5.00(
5
)
Approved Pro
One Source, LLC
7914 Queenair Drive
5.00(
5
)
Approved Pro
Customers say: Quick response
11 years of experience
Free onsite estimate

One Source Systems is one of the premier custom integrators in the greater Washington D.C. area. We are focused on an elevated client experience and meeting your needs for Smart Home design, including experiential elements such as lighting, shades and incredible dedicated theater and Audio/Video solutions. With over 10 years of experience in the audio industry, we are the experts you need to take care of your home or business. We will treat your home as we would treat our own. Give One Source a call today - we look forward to working with you!

"They stayed all day arriving at like 10:00am to get the job done and didn’t leave until like 11:30pm"

Steve B on July 2021

One Source Systems is one of the premier custom integrators in the greater Washington D.C. area. We are focused on an elevated client experience and meeting your needs for Smart Home design, including experiential elements such as lighting, shades and incredible dedicated theater and Audio/Video solutions. With over 10 years of experience in the audio industry, we are the experts you need to take care of your home or business. We will treat your home as we would treat our own. Give One Source a call today - we look forward to working with you!

"They stayed all day arriving at like 10:00am to get the job done and didn’t leave until like 11:30pm"

Steve B on July 2021


Avatar for DELTA Electric, LLC
DELTA Electric, LLC
20013 Sweetgum Circle Apartment 41
5.00(
2
)
Approved Pro
DELTA Electric, LLC
20013 Sweetgum Circle Apartment 41
5.00(
2
)
Approved Pro
4 years of experience
Free onsite estimate

We take great pride our experience, expertise, quality, and customer service that we provide to meet the consumer need. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

We take great pride our experience, expertise, quality, and customer service that we provide to meet the consumer need. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.


Avatar for ALBA electric
ALBA electric
16507 Governor Bridge Rd Apt 304
5.00(
7
)
Approved Pro
ALBA electric
16507 Governor Bridge Rd Apt 304
5.00(
7
)
Approved Pro
1 years of experience
Free onsite estimate

We can take on a wide range of residential and commercial electrical projects to include full installation for additions and remodels, wiring/panel upgrades and EV charger installations, whole house circuitry installation for general contractors, and a variety of other projects. We put our focus on quality workmanship, the commitment to keep your electrical system well protected and hazard free, and we make good care to preserve the attractiveness of your real state. We guarantee a quick response and free estimates within 2 days of your call and look forward to building strong, long-term relationships with our customers by covering all their electrical needs

"Ricardo is smart, professional and is focused on doing his job well. His quote was fair but he also went out of his way to ensure timely completion. For example, I said I’d cut across my asphalt driveway and trench 24” deep there and shallower outside of the driveway. When it became apparent that my rental trencher underperformed, Ricardo voluntarily, pleasantly stepped in to help dug the trenches. He put in a 12- hour day and came early the next day to make the final connections before the County inspector arrived. Ricardo has earned my trust. I’ve since asked him for options on fixing a few nagging electrical problems. I think you’ll be pleased with his services. "

Joseph L on April 2025

We can take on a wide range of residential and commercial electrical projects to include full installation for additions and remodels, wiring/panel upgrades and EV charger installations, whole house circuitry installation for general contractors, and a variety of other projects. We put our focus on quality workmanship, the commitment to keep your electrical system well protected and hazard free, and we make good care to preserve the attractiveness of your real state. We guarantee a quick response and free estimates within 2 days of your call and look forward to building strong, long-term relationships with our customers by covering all their electrical needs

"Ricardo is smart, professional and is focused on doing his job well. His quote was fair but he also went out of his way to ensure timely completion. For example, I said I’d cut across my asphalt driveway and trench 24” deep there and shallower outside of the driveway. When it became apparent that my rental trencher underperformed, Ricardo voluntarily, pleasantly stepped in to help dug the trenches. He put in a 12- hour day and came early the next day to make the final connections before the County inspector arrived. Ricardo has earned my trust. I’ve since asked him for options on fixing a few nagging electrical problems. I think you’ll be pleased with his services. "

Joseph L on April 2025


Avatar for Chesapeake Electric
Chesapeake Electric
117 Gibralter Ave
4.80(
146
)
Approved Pro
Chesapeake Electric
117 Gibralter Ave
4.80(
146
)
Approved Pro
Super Service Award
Customers say: True professional
185 local quotes requested
11 years of experience

Chesapeake Electric is a full-service company and have a Friendly Expert Staff. Whether you require an emergency electrician or have an in-depth electrical project, you’ll be happy you called Chesapeake Electric. Ryan & Chesapeake Electric Electricians work directly with you from design through implementation, so you will always know what work is being done and why. There's no doubt that even small electrical projects can be challenging. Whether you need to repair a damaged outlet, upgrade an electrical panel, or even rewire your whole house, you cannot do it without a professional electrician and the correct equipment. With the help of a skilled master electrician from Chesapeake Electric, you can finally get the work done correctly and on schedule. There are several advantages to choosing our licensed electrical contractor over other options in Annapolis, Maryland and the surrounding area.

"Yes, they did a fantastic job. Came the same day I called: "

Edwin G on April 2025

Chesapeake Electric is a full-service company and have a Friendly Expert Staff. Whether you require an emergency electrician or have an in-depth electrical project, you’ll be happy you called Chesapeake Electric. Ryan & Chesapeake Electric Electricians work directly with you from design through implementation, so you will always know what work is being done and why. There's no doubt that even small electrical projects can be challenging. Whether you need to repair a damaged outlet, upgrade an electrical panel, or even rewire your whole house, you cannot do it without a professional electrician and the correct equipment. With the help of a skilled master electrician from Chesapeake Electric, you can finally get the work done correctly and on schedule. There are several advantages to choosing our licensed electrical contractor over other options in Annapolis, Maryland and the surrounding area.

"Yes, they did a fantastic job. Came the same day I called: "

Edwin G on April 2025


Avatar for Beacon Home Services, Inc.
Beacon Home Services, Inc.
10498 Colonel Ct #101
4.66(
812
)
Approved Pro
Beacon Home Services, Inc.
10498 Colonel Ct #101
4.66(
812
)
Approved Pro
Customers say: True professional
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
1060 local quotes requested

Beacon Home Services is a family owned and operated electrical & plumbing contractor. Our experienced plumbers & electricians have been providing superior services to the Northern Virginia Area since 2002. Our Master technicians are fully licensed and have more than enough experience to insure your satisfaction with our services. We have proven our ability to satisfy customers by reinventing the service industry and putting customer service at the top of our list! Customer safety is also very important to Beacon Home Services. That's why all our employees have gone through background checks so you can be sure that you're in good hands with Beacon Home Services.

"Perfect work"

Al S on April 2025

Beacon Home Services is a family owned and operated electrical & plumbing contractor. Our experienced plumbers & electricians have been providing superior services to the Northern Virginia Area since 2002. Our Master technicians are fully licensed and have more than enough experience to insure your satisfaction with our services. We have proven our ability to satisfy customers by reinventing the service industry and putting customer service at the top of our list! Customer safety is also very important to Beacon Home Services. That's why all our employees have gone through background checks so you can be sure that you're in good hands with Beacon Home Services.

"Perfect work"

Al S on April 2025


Avatar for Green Light Electrical Contractors
Green Light Electrical Contractors
66 E Main St #204
5.00(
2
)
Approved Pro
Green Light Electrical Contractors
66 E Main St #204
5.00(
2
)
Approved Pro
8 years of experience

When you call GLEC, you get a master electrician providing you the highest quality work at a fraction of the cost. You are losing out big time when calling a large electrical company! They will send an unqualified employee, and you will pay the overhead for them to learn on your property. We at Green Light Electrical Contractors strive to maintain our reputation as a high quality, very service oriented company with our main focus being customer satisfaction.

"Ryan was on time and a great worker, couldn't recommend him and his company enough!"

David H on March 2025

When you call GLEC, you get a master electrician providing you the highest quality work at a fraction of the cost. You are losing out big time when calling a large electrical company! They will send an unqualified employee, and you will pay the overhead for them to learn on your property. We at Green Light Electrical Contractors strive to maintain our reputation as a high quality, very service oriented company with our main focus being customer satisfaction.

"Ryan was on time and a great worker, couldn't recommend him and his company enough!"

David H on March 2025


Avatar for Multi MG Services
Multi MG Services
7643 Highland Woods Ct Apt D2
5.00(
6
)
Approved Pro
Multi MG Services
7643 Highland Woods Ct Apt D2
5.00(
6
)
Approved Pro
Customers say: Quick response
5 years of experience
Free onsite estimate

With over 10 years of experience in the electrical industry, we are the service professionals you need to take care of your home or business. We handle all types of electrical projects. We will treat your home as we would treat our own. Give Multi MG Services a call today, we look forward to working with you!

"Everything was fantastic, I was very satisfied with the work - I am really in love with the lights that they installed. I would highly recommend this company to friends and family or anybody that wants to hire an electrician."

Homeowner on September 2022

With over 10 years of experience in the electrical industry, we are the service professionals you need to take care of your home or business. We handle all types of electrical projects. We will treat your home as we would treat our own. Give Multi MG Services a call today, we look forward to working with you!

"Everything was fantastic, I was very satisfied with the work - I am really in love with the lights that they installed. I would highly recommend this company to friends and family or anybody that wants to hire an electrician."

Homeowner on September 2022


Avatar for Nerical LLC
Nerical LLC
4.33(
12
)
Approved Pro
Nerical LLC
4.33(
12
)
Approved Pro
Customers say: Quick response
52 local quotes requested
19 years of experience

Nericall LLC offers a wide array of home automation/home theater and A/V services. We will customize it to the client's specific needs. An initial estimate is done and a custom proposal is prepared for the customer depending on needs, recommendations and budget.

"Easily one of the most skilled and comprehensive home automation/electronics installer in the area. Been working with Cristian for over a decade now on various projects. Always dependable. Always gets the job done. Highly skilled."

Ahmed B on June 2024

Nericall LLC offers a wide array of home automation/home theater and A/V services. We will customize it to the client's specific needs. An initial estimate is done and a custom proposal is prepared for the customer depending on needs, recommendations and budget.

"Easily one of the most skilled and comprehensive home automation/electronics installer in the area. Been working with Cristian for over a decade now on various projects. Always dependable. Always gets the job done. Highly skilled."

Ahmed B on June 2024


Avatar for Absolute Electric LLC
Absolute Electric LLC
111 Carpenter Dr
4.87(
837
)
Approved Pro
Absolute Electric LLC
111 Carpenter Dr
4.87(
837
)
Approved Pro
Customers say: Super punctual
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
626 local quotes requested

I am passionate about and take pride in my craft. Our philosophy is to treat your home or place of business as if it were our own. If you are not satisfied with our service, please contact me or our Service Manager, Rob, because our goal is your satisfaction. We want you as a customer for life, not just to make a quick buck. Call us today at 571.525.2823, as we look forward to discussing your electrical needs. Regards, Shauwn Collins, Owner

"Robert did my work, he was very thorough, very detailed. This guy is a rock star! Will definitely use them again in the future!"

TROY P on September 2024

I am passionate about and take pride in my craft. Our philosophy is to treat your home or place of business as if it were our own. If you are not satisfied with our service, please contact me or our Service Manager, Rob, because our goal is your satisfaction. We want you as a customer for life, not just to make a quick buck. Call us today at 571.525.2823, as we look forward to discussing your electrical needs. Regards, Shauwn Collins, Owner

"Robert did my work, he was very thorough, very detailed. This guy is a rock star! Will definitely use them again in the future!"

TROY P on September 2024


Mr. Electric of Bethesda
1513 Sharon Dr
5.00(
4
)
Approved Pro
Mr. Electric of Bethesda
1513 Sharon Dr
5.00(
4
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
225 local quotes requested

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 an estimate today!

"They did an excellent job of installing the new panel at a reasonable price. Also they had financing options that were same as cash. I was provided some options of circuit breakers and the price with the options. The differences in breaker were explained and the code requirements for my area was also explained and compared to other local code standards. I was able to customize the options a little bit based on my needs and I have more space in the panel if I have additional requirements. Going from a box from the 1960’s to a modern solution mad a lot of sense. The installation was smooth with only a short time without power. Throughout the process, I was well informed of the progress. My family was able to work remotely from home during most of the install without too much disruption. (Used cell phone for internet and laptops while power was off.) They even installed a monitoring system for me to track the electrical use of the house. Overall they did a great job and I am very satisfied."

Nick L on April 2025

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 an estimate today!

"They did an excellent job of installing the new panel at a reasonable price. Also they had financing options that were same as cash. I was provided some options of circuit breakers and the price with the options. The differences in breaker were explained and the code requirements for my area was also explained and compared to other local code standards. I was able to customize the options a little bit based on my needs and I have more space in the panel if I have additional requirements. Going from a box from the 1960’s to a modern solution mad a lot of sense. The installation was smooth with only a short time without power. Throughout the process, I was well informed of the progress. My family was able to work remotely from home during most of the install without too much disruption. (Used cell phone for internet and laptops while power was off.) They even installed a monitoring system for me to track the electrical use of the house. Overall they did a great job and I am very satisfied."

Nick L on April 2025

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Electrical for home addition or remodel installations FAQs

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 homeowners guide to electrical for home addition or remodel installations
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