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Avatar for Resolute Electric
Resolute Electric
4.9(
32
)

Serving Greensboro, MD and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Klaus moved our wired electric panel and re-wired the entire kitchen. He added amazing lighting including recessed lighting, under counter lighting and toe kick lighting. He installed relocated electrical receptacles for the dishwasher, garbage disposal and water pump. Did beautiful finish work. Very good at communicating and saying yes when I asked for more. Pricing very reasonable. Very dependable and amicable. Highly recommended."
Braemar Towers remodel
Salvation Army
Reoccurring customer
Outdoor lighting
Braemar Towers remodel

+19

Response time9 hrs
9 neighbors recently requested a quote
Recommended by92%of homeowners
Crest Electric
4.9(
29
)

Serving Greensboro, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Emergency services offered

Customers say: True professional

"A+++ Company! Crest Electric was a complete joy to have working in my home. If you're searching, give them a call! They wont disappoint! I have used them multiple times and will be calling them for more electric work on my older home in the future. Pricing was very reasonable. Very professional service. They answered all my questions no matter how many times I needed an explanation! Haha! I referred them to a few friends & family members needed electric work in their homes. I love my new kitchen lighting ?. Thank you again for making my house feel more like home again Crest Electric!! ?"
Response time1 day
6 neighbors recently requested a quote
Recommended by78%of homeowners
Avatar for Duke's Electrical Services, Inc.
Duke's Electrical Services, Inc.
4.9(
310
)

Serving Greensboro, MD and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"Mark from Duke's Electrical Services was recommended by a friend in the home improvement business whose referrals have always been A+, and Mark certainly lived up to that reputation. Mark and his son were professional, punctual, and communicative. They texted before arriving and showed up exactly on time. Mark performed a thorough electrical inspection, took photos, and reviewed everything with me so I understood the condition of our system. I also asked about a few smaller projects, including a dock light switch and a deck remote-control switch that weren't working. Mark followed through on his promise to return, contacted me within a week, and scheduled the repairs. During that visit, I added two more switch replacements, and they completed all three jobs in under an hour. What impressed me most was their attention to detail. After finishing, they vacuumed the work area. As someone who appreciates cleanliness, that meant a lot. Professional, efficient, cleanliness, very rare find."
Recess light install
Recess and fan install
Recommended by90%of homeowners
Avatar for Carey's Custom Services LLC
Carey's Custom Services LLC
4.9(
33
)

Serving Greensboro, MD and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

"Called Carey’s electric service and was able to have them come to our house same day Found the over loaded circuit Replaced new circuit breaker and rewired circuit They were very knowledgeable about their work I would highly recommend them for any kind of electrical project"
Electrical Work
Electrical Work
Electrical Work
Electrical Work
Response time1 day
Response rate100%
6 neighbors recently requested a quote
Avatar for Galloway Electrical
Galloway Electrical
4.5(
55
)

Serving Greensboro, MD and surrounding areas

Approved

Free estimates

Emergency services offered

Customers say: Super punctual

"I had a great experience with Galloway Electrical. The team was very professional, courteous, and prompt. They quickly identified the issue, explained it clearly, and fixed it right away. I would absolutely recommend Galloway Electrical for any electrical needs."
Electrical Project
Electrical Project
Receptacles
Electrical Project
Electrical Project

+76

Response time7 hrs
Response rate100%
13 neighbors recently requested a quote
Avatar for W B Lightning Rods
W B Lightning Rods
4.6(
368
)

Serving Greensboro, MD and surrounding areas

Approved

In business since 2001

Free estimates

Warranties offered

"I hired W B Lighting Rods/William Burden to install lightning rods on my home. I spoke to William on a Monday and by Thursday before 1 PM the lightning rods were installed on my home. William explained everything he was going to do before he did it. The lightning rods were affordable and most of all it gives me peace of mind knowing that my home is protected against lightning strikes and fire damage. I couldnâ t be happier with this company!!"
lightning protection
 Residential LPS
lightning protection
 Residential LPS
lightning protection

+79

Response time1 day
142 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for M.T. Appliance Repair
M.T. Appliance Repair
4.9(
33
)

Serving Greensboro, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2014

Warranties offered

Customers say: True professional

"Very professional and efficient. Arrived timely, very knowledgeable, and efficiently repaired appliance. Our General Electric large refrigerator was not properly cooling. Found door leakage, ordered the part, and returned to replace the seal. No markup on the part, no added time to repair - entire transaction was very fair. Could not ask for a better experience."
Response time8 hrs
Response rate100%
1 neighbors recently requested a quote
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Showing 1-10 of 125
Electrical questions, answered by experts

It’s a great idea to replace and update outlets, especially if an outlet stops working. New outlets work well with modern appliances and devices. Over time, outlets become old and worn—they can even become damaged, cracked, and burnt if the wiring is old and outdated. Old outlets and wiring can cause smoke, sparks, flickering lights, and an electrical fire.

Switching the hot and neutral wires in an outlet or receptacle, a condition known as reverse polarity, is dangerous. While the outlet will still function and provide power, it creates a significant electrical shock hazard because anything plugged into it will remain electrified even when switched off. If you touch a conductive part of the appliance, such as the metal components of a toaster, you could receive an electric shock.

The copper wire used in knob and tube wiring systems can last up to 100 years. However, it’s considered a dangerous and outdated wiring method because the cloth, fabric, or rubber insulation sheathing can become brittle and fall apart. Knob and tube wiring systems should be inspected if you’re considering buying a home with this type of wiring, or if you have problems with frequently tripping breakers, a sign that you may need to replace them.

For most applications, you won’t need a neutral for 240V. There are certain codes and regulations that differ between areas so just because you technically may not need one in order for the device to function properly, it may still be a local requirement. Professionals in your area know the requirements, which is just another reason to hire one instead of taking on a project that is frankly not very DIY-friendly.

If your breaker box won’t reset, stay on, trips when overloaded, or gets seriously damaged, you will need to replace the breakers or possibly the entire panel. A damaged breaker can lead to a fire, so it’s best to err on the safe side and look into replacement. Hire a professional electrician to replace a breaker box to ensure your personal and property safety.

The Greensboro, MD homeowners’ guide to electrical services

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