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  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon1.1k+
    Verified electrical services reviews

Verified Reviews for Electrical Service pros in Gwynn Oak, MD

*The Angi rating for Electrical Service companies in Gwynn Oak, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Electrical Service needs.

*The HomeAdvisor rating for Electrical Service companies in Gwynn Oak, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Electrical Service needs.

Last update on October 05, 2026

Top-Rated Electricians in Gwynn Oak - Updated Nov 2026

Avatar for J A Electric LLC.
J A Electric LLC.
4.9(
54
)
Electrical Wiring or Panel UpgradeElectric Vehicle Charging Station Installation - Materials Provided by ConsumerCeiling Fan - Install+14 more

Serving Gwynn Oak, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Emergency services offered

"I had issues with 2 lights and circuit breaker in my home and JA Electrical were a godsend. I heard back from them within minutes of placing online quotes in my area. I was able to get a tech, Antonio, out to my home the same day. He worked ho*** ** getting my issue resolved and he succeeded. He's very professional, timely, and I would highly recommend him and the company to anyone having issues."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+25

Response time12 hrs
6 neighbors recently requested a quote
Recommended by62%of homeowners
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K&K Electric
4.9(
36
)
Electrical Switches, Outlets & Fixtures - Install or RepairCeiling Fan - InstallCeiling Fan - Repair+13 more

Serving Gwynn Oak, MD and surrounding areas

Approved

In business since 2007

Free estimates

Warranties offered

"Kevin, answered my call promptly. Responded to the issue the same day that I called him and he also arrived timely. The defective switch was fixed within 10 mins. and Kevin was on his way. I was so pleased with the service and I will definitely call K&K first, if I have any additional electrical issues."
Response time5 hrs
1 neighbors recently requested a quote
Recommended by87%of homeowners
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Avatar for Clinton Electric Co Inc
Clinton Electric Co Inc
4.6(
177
)
Fixed Generator - InstallElectric Vehicle Charging Station Installation - Materials Not ProvidedElectrical Switches, Outlets & Fixtures - Install or Repair+21 more

Serving Gwynn Oak, MD and surrounding areas

Approved

In business since 1969

Emergency services offered

Warranties offered

"My pro from Clinton electric was helpful, professional, and did great work on my electrical projects"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+2

Response time1 day
Response rate100%
5 neighbors recently requested a quote
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Avatar for Kolb Electric Inc
Kolb Electric Inc
4.2(
223
)
Electrical Switches, Outlets & Fixtures - Install or RepairElectrical Wiring or Panel UpgradeElectric Vehicle Charging Station Installation+10 more

Serving Gwynn Oak, MD and surrounding areas

Approved

In business since 1925

Free estimates

Emergency services offered

"Great Kolb electrician found the problem and fixed it. Great service"
Response time1 day
Response rate100%
4 neighbors recently requested a quote
Request Quote
C T Smith Electrical Services, LLC
4.8(
312
)
Electrical Switches, Outlets & Fixtures - Install or RepairElectric Vehicle Charging Station Installation - Materials Not ProvidedElectric Vehicle Charging Station Installation - Materials Provided by Consumer+8 more

Serving Gwynn Oak, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2000

Free estimates

Warranties offered

"Had an EVSE station installed. The work was done very quickly and looks fantastic. Would highly recommend for any electrical work."
Response time2 days
Response rate92%
12 neighbors recently requested a quote
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Avatar for Wolf Electric LLC
Wolf Electric LLC
5.0(
122
)
Electric Vehicle Charging Station Installation - Materials Not ProvidedElectrical Switches, Outlets & Fixtures - Install or RepairElectrical Wiring or Panel Upgrade+1 more

Serving Gwynn Oak, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Credit card accepted

"Alex was friendly, quick, and very professional. He was able to take care of my problem within 24 hours. I'll definitely be calling Wolf Electric, LLC. for my electrical needs in the future."
Response time6 hrs
Response rate97%
2 neighbors recently requested a quote
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Avatar for Jefferson Electric Co.
Jefferson Electric Co.
5.0(
32
)
Electric Vehicle Charging Station Installation - Materials Provided by ConsumerExterior Building Lighting - Install or Replace - For BusinessExterior Building Lighting - Repair - For Business

Serving Gwynn Oak, MD and surrounding areas

Approved

In business since 2012

Free estimates

Credit card accepted

"Craig was professional and completed the work as we discussed. I would recommend him for electrical projects."
100 amp sub
Sub panel 100 amp
rough in
rough in
rough in

+6

Response time1 day
Recommended by96%of homeowners
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Avatar for Mr. Electric of Baltimore
Mr. Electric of Baltimore
5.0(
12
)
Electrical Switches, Outlets & Fixtures - Install or RepairFixed Generator - InstallElectrical Wiring or Panel Upgrade+13 more

Serving Gwynn Oak, MD and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"Mr. Electric responded immediately to my request and scheduled the quote visit the next day. They were able to fix the electrical switch during that apointment in a very fast and professional manner. I highly recommend them."
Gallery
Gallery
Gallery
Gallery
Gallery

+3

9 neighbors recently requested a quote
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Avatar for Raising the Bar Electric
Raising the Bar Electric
4.9(
21
)
Electrical Switches, Outlets & Fixtures - Install or RepairFixed Generator - InstallElectric Vehicle Charging Station Installation - Materials Not Provided+8 more

Serving Gwynn Oak, MD and surrounding areas

Approved

In business since 2021

Free estimates

Warranties offered

"Bryan was great!! He kept us well informed during the whole process of upgrading our electrical panel. I highly recommend Raising the Bar for any electrical work."
Response time1 day
10 neighbors recently requested a quote
Recommended by75%of homeowners
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Showing 1-10 of 743
Electrical FAQs, answered by experts

No, it doesn’t matter which of the two wires goes on each of the two switch terminals. Just be sure to put the ground wire in the correct terminal. The ground wire is either green, bare copper, or green with a yellow stripe. The other wires are hot wires and are typically black. They can be used interchangeably.

While you can technically live in a home while it's being rewired, prepare for some debris and dust if your electrical contractor needs to remove parts of walls, floors, and ceilings to access wires. If you stay home during the project, ask your electrician to cut the power supply to all exposed electrical wires to keep your family safe.

No, you should always use proper electrical wire caps to safely cap off electrical wires. Electrical tape isn’t as durable as electrical caps and can deteriorate and separate over time, exposing the live wires. The only way to use electrical tape for this project is to wrap it around the caps themselves to reinforce them and create an even stronger connection, preventing an electrical emergency.

Single-pole light switches are the most common light switches on the market. Their simple features make them easy to install and use. For more powerful applications that require 30 or 40 amps, you may need to use a double-pole switch. Some homeowners may want multi-way switches like three-way or four-way switches to control a light fixture from opposing ends of the room.

Hiring a professional electrician to wire a house costs anywhere from $1,500 to $10,000 or more depending on the size and complexity of the project. Most professional electricians charge $50 to $100 per hour. While the extra expense is significant, it’s worth it to ensure the safety of your home’s electrical system. 

The Gwynn Oak, MD homeowners’ guide to electrical services

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

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