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  • Verified reviews icon421
    Verified electrical services reviews

Find Electricians in Dover

Avatar for Cotti-Johnson Heating-Cooling-Electrical

Cotti-Johnson Heating-Cooling-Electrical

30 Waverly St
4.68(
155
)
Approved Pro

Cotti-Johnson Heating-Cooling-Electrical

30 Waverly St
4.68(
155
)
Approved Pro
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
964 local quotes requested

Experiencing issues with your heating, air conditioning, plumbing, or electrical systems? Cotti-Johnson is your reliable one-stop shop for all home comfort needs. From simple fixes to large-scale projects, our professional team handles everything with honesty and expertise. We offer 24/7 emergency services and specialized design services for landscape and indoor lighting. Trust us for top-notch, efficient, and transparent service. Visit our website at callcotti.com or call us at (833) 826-8844 to see how we can improve your home's comfort and efficiency.

"Happy with the work, and the customer service. Will definitely call on them for future work."

Fran P on June 2025

Experiencing issues with your heating, air conditioning, plumbing, or electrical systems? Cotti-Johnson is your reliable one-stop shop for all home comfort needs. From simple fixes to large-scale projects, our professional team handles everything with honesty and expertise. We offer 24/7 emergency services and specialized design services for landscape and indoor lighting. Trust us for top-notch, efficient, and transparent service. Visit our website at callcotti.com or call us at (833) 826-8844 to see how we can improve your home's comfort and efficiency.

"Happy with the work, and the customer service. Will definitely call on them for future work."

Fran P on June 2025


Avatar for Nicholson Plumbing Heating & Air Conditioning Inc

Nicholson Plumbing Heating & Air Conditioning Inc

71 Whitney Street
4.54(
560
)
Approved Pro

Nicholson Plumbing Heating & Air Conditioning Inc

71 Whitney Street
4.54(
560
)
Approved Pro
Customers say: Super punctual
56 local quotes requested
25 years of experience

Nicholson Plumbing, Heating & Air Conditioning is the company of choice for all your plumbing, heating and air conditioning repair and replacement needs. Our commitment is to you, our customer, and to provide you with outstanding plumbing and HVAC service. You can rest assured with our 100% satisfaction guarantee, 24-hour emergency service, solid warranty and highly trained technicians. Serving the Metro West, MA's service and installation needs. Fully Licensed in MA Plumbing and Gas Fitting. Lic# 30207. Universal EPA Certified & 410A Certified. Fully Insured. Nicholson Plumbing, Heating & Air Conditioning offers a 5% senior discount on service repairs.

"Went very well and got more information than with other companies."

Susan H on April 2025

Nicholson Plumbing, Heating & Air Conditioning is the company of choice for all your plumbing, heating and air conditioning repair and replacement needs. Our commitment is to you, our customer, and to provide you with outstanding plumbing and HVAC service. You can rest assured with our 100% satisfaction guarantee, 24-hour emergency service, solid warranty and highly trained technicians. Serving the Metro West, MA's service and installation needs. Fully Licensed in MA Plumbing and Gas Fitting. Lic# 30207. Universal EPA Certified & 410A Certified. Fully Insured. Nicholson Plumbing, Heating & Air Conditioning offers a 5% senior discount on service repairs.

"Went very well and got more information than with other companies."

Susan H on April 2025


Avatar for RC Electric

RC Electric

199 Elm St
5.00(
3
)
Approved Pro

RC Electric

199 Elm St
5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
35 local quotes requested

We are a Massachusetts based electrical contractor working throughout the commonwealth with over 25 years of experience. Specialize in providing homeowners with top quality work and a wonderful experience along the way! We are licensed, fully insured and provide free estimates to all. Our team is very knowledgeable and understands the codes put into place by the National Electric Code as well as Massachusetts amendments that are added and enforced. Electrical projects can be very tricky and quite intimidating at times if you are unfamiliar with the trade or uncertain how to go about a certain project. This is why on all of our jobs we strive to connect and explain every option available that suits specific wants and needs. We are very proud of our workmanship, cleanliness and approach to all of our customers. Our goal is to have a 110% satisfied customer that is happy to have worked with us and will continue to call us again in the future! Some services include but are not limited to - -Panel Changes -Service Repairs/Upgrades -Remodels/Additions -Electrical Diagnosis -Recessed Lighting /Outdoor Lighting Design -Smart Home Applications -Switching/Receptacles/Hubs -Generator Setups -Surge Protection -Safety Inspections/Smoke Detectors -Knob+Tube Demo If you are interested in speaking with us about your next project give us a call or send an email and we will schedule a time to meet and go over all your options! Thank you for the opportunity to work with us, we look forward to hearing from you!

"Really well, very professional and in a timely manner."

Judy W on April 2024

We are a Massachusetts based electrical contractor working throughout the commonwealth with over 25 years of experience. Specialize in providing homeowners with top quality work and a wonderful experience along the way! We are licensed, fully insured and provide free estimates to all. Our team is very knowledgeable and understands the codes put into place by the National Electric Code as well as Massachusetts amendments that are added and enforced. Electrical projects can be very tricky and quite intimidating at times if you are unfamiliar with the trade or uncertain how to go about a certain project. This is why on all of our jobs we strive to connect and explain every option available that suits specific wants and needs. We are very proud of our workmanship, cleanliness and approach to all of our customers. Our goal is to have a 110% satisfied customer that is happy to have worked with us and will continue to call us again in the future! Some services include but are not limited to - -Panel Changes -Service Repairs/Upgrades -Remodels/Additions -Electrical Diagnosis -Recessed Lighting /Outdoor Lighting Design -Smart Home Applications -Switching/Receptacles/Hubs -Generator Setups -Surge Protection -Safety Inspections/Smoke Detectors -Knob+Tube Demo If you are interested in speaking with us about your next project give us a call or send an email and we will schedule a time to meet and go over all your options! Thank you for the opportunity to work with us, we look forward to hearing from you!

"Really well, very professional and in a timely manner."

Judy W on April 2024


Avatar for Wired Electrical Contractors, Inc.

Wired Electrical Contractors, Inc.

277 MAIN ST
4.91(
196
)
Approved Pro

Wired Electrical Contractors, Inc.

277 MAIN ST
4.91(
196
)
Approved Pro
Customers say: Quality work
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
85 local quotes requested

At WIRED Electrical Contractors, we’re pursuing excellence: from your initial consultation to our superior warranties and follow-through. Owned and operated by master electrician Paul Crowley, our team of trained and certified master electricians provide MetroWest MA homeowners with quality craftsmanship, upfront pricing, and attentive responsiveness throughout every project phase. Our focus on quality has earned us the Angi Super Service Award for ten years running. We are a full service residential electrical contractor. We specialize in home EV charging installations and are Tesla trained and certified. We are also certified installers with Qmerit, Chargepoint, and ClipperCreek.

"Same day service! Electrician was very friendly and knowledgeable. Would recommend."

Sydney S on July 2024

At WIRED Electrical Contractors, we’re pursuing excellence: from your initial consultation to our superior warranties and follow-through. Owned and operated by master electrician Paul Crowley, our team of trained and certified master electricians provide MetroWest MA homeowners with quality craftsmanship, upfront pricing, and attentive responsiveness throughout every project phase. Our focus on quality has earned us the Angi Super Service Award for ten years running. We are a full service residential electrical contractor. We specialize in home EV charging installations and are Tesla trained and certified. We are also certified installers with Qmerit, Chargepoint, and ClipperCreek.

"Same day service! Electrician was very friendly and knowledgeable. Would recommend."

Sydney S on July 2024


Avatar for FM Generator

FM Generator

35 Pequit St
4.70(
20
)
Approved Pro

FM Generator

35 Pequit St
4.70(
20
)
Approved Pro
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
34 local quotes requested

We are a full-service home generator provider offering turnkey residential installations, service contracts, and emergency response, we also install whole home backup batteries.***WE DO NOT SERVICE PORTABLE GENERATORS** Family owned and operated, we have sold, installed and serviced generators for over 40 years! Our history is working with commercial generators, so we know the importance of reliability! Reliability is our product which is why we sell Fortress, an exclusive Briggs and Stratton brand of home generators. We can even save you money on a smaller generator with the Symphony II Home Power Management System! FM Generator - Keeping Families Powered for over 40 years! **Fully installed automatic home power system packages starting at $7,500**

"They were able to send someone to the house within a few days of initial contact. He wasn’t able to troubleshoot the problem directly but he was able to reach out to someone who could and everything was taken care of quickly and efficiently. Would absolutely contact them again in the future!"

Amanda F on January 2025

We are a full-service home generator provider offering turnkey residential installations, service contracts, and emergency response, we also install whole home backup batteries.***WE DO NOT SERVICE PORTABLE GENERATORS** Family owned and operated, we have sold, installed and serviced generators for over 40 years! Our history is working with commercial generators, so we know the importance of reliability! Reliability is our product which is why we sell Fortress, an exclusive Briggs and Stratton brand of home generators. We can even save you money on a smaller generator with the Symphony II Home Power Management System! FM Generator - Keeping Families Powered for over 40 years! **Fully installed automatic home power system packages starting at $7,500**

"They were able to send someone to the house within a few days of initial contact. He wasn’t able to troubleshoot the problem directly but he was able to reach out to someone who could and everything was taken care of quickly and efficiently. Would absolutely contact them again in the future!"

Amanda F on January 2025


Avatar for Rodenhiser Home Services

Rodenhiser Home Services

325 Hopping Brook Rd
4.39(
506
)
Approved Pro

Rodenhiser Home Services

325 Hopping Brook Rd
4.39(
506
)
Approved Pro
Customers say: Super punctual
406 local quotes requested
97 years of experience

When it comes to great service for your home or business, it doesn't get better than the professionalism and dedication of Rodenhiser. It's an unsurpassed level of service built on a promise that ensures you get the very best - when you call Rodenhiser your satisfaction is guaranteed. With 90+ years of delighted residential and commercial clients, you can be sure that it's a promise that Rodenhiser delivers on every day.

"The work was done correctly and promptly, but quite expensive. On the plus side, he presented all the options and didn't really try to upsell. Just the facts."

Stephen M on August 2024

When it comes to great service for your home or business, it doesn't get better than the professionalism and dedication of Rodenhiser. It's an unsurpassed level of service built on a promise that ensures you get the very best - when you call Rodenhiser your satisfaction is guaranteed. With 90+ years of delighted residential and commercial clients, you can be sure that it's a promise that Rodenhiser delivers on every day.

"The work was done correctly and promptly, but quite expensive. On the plus side, he presented all the options and didn't really try to upsell. Just the facts."

Stephen M on August 2024


Avatar for 128 Plumbing Heating Cooling & Electric

128 Plumbing Heating Cooling & Electric

78 Foundry St
4.06(
120
)
Approved Pro

128 Plumbing Heating Cooling & Electric

78 Foundry St
4.06(
120
)
Approved Pro
Customers say: Super punctual
154 local quotes requested
33 years of experience

For over 30 years, 128 Plumbing, Heating, Cooling & Electric has provided the highest quality, efficiency and reliability to customers. Celebrating thousands of five-star reviews online and an A+ Rating on BBB for years, the company has become the North Shore’s most trusted and consistent plumber, heating and air conditioning, and electrical service company. The company takes pride in the title as a Diamond Elite Contractor with Mitsubishi Electric and being selected into the National Grid VPI Program. Finally, a company that picks up the phone every time with manufacturer-trained technicians and a commitment to providing customers with an easy, effortless customer service experience. You're guaranteed to be left with the service and price you were quoted with customized options for what's best for your home in the long-term. 128 Plumbing, Heating, Cooling & Electric specializes in Installation, Service, and Repair for Boilers, Furnaces, Air Conditioners and HVAC Systems, Tankless Water Heaters, Ductless Mini-Splits and Plumbing. Worried about the cost of your next project? We have options to help you get your repairs on the way! Unfortunately, emergencies don’t wait until you have all of your financial ducts in a row.

"Election did an excellent job installing a new ac outlet for new dishwasher Definitely use again"

Bruce R on July 2025

For over 30 years, 128 Plumbing, Heating, Cooling & Electric has provided the highest quality, efficiency and reliability to customers. Celebrating thousands of five-star reviews online and an A+ Rating on BBB for years, the company has become the North Shore’s most trusted and consistent plumber, heating and air conditioning, and electrical service company. The company takes pride in the title as a Diamond Elite Contractor with Mitsubishi Electric and being selected into the National Grid VPI Program. Finally, a company that picks up the phone every time with manufacturer-trained technicians and a commitment to providing customers with an easy, effortless customer service experience. You're guaranteed to be left with the service and price you were quoted with customized options for what's best for your home in the long-term. 128 Plumbing, Heating, Cooling & Electric specializes in Installation, Service, and Repair for Boilers, Furnaces, Air Conditioners and HVAC Systems, Tankless Water Heaters, Ductless Mini-Splits and Plumbing. Worried about the cost of your next project? We have options to help you get your repairs on the way! Unfortunately, emergencies don’t wait until you have all of your financial ducts in a row.

"Election did an excellent job installing a new ac outlet for new dishwasher Definitely use again"

Bruce R on July 2025


Avatar for NETR Inc

NETR Inc

85 FLAGSHIP DR
4.79(
76
)
Approved Pro

NETR Inc

85 FLAGSHIP DR
4.79(
76
)
Approved Pro
Customers say: Super punctual
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
240 local quotes requested

For emergency services, please call 781-933-6387. N.E.T.R., Inc. is here to help homeowners install the best heating and cooling systems that fits their needs. Since 1989, we’ve installed heating and cooling systems in Boston and its surrounding areas, tackling tough problems that our clients face. Our goal is to ensure our clients have energy efficient, quiet, reliable systems so they can live their lives to the fullest both at home and at work. Our dedication to our customers’ needs is what drives us each and every day. Our approach to temperature control and comfort has helped us become one of the most respected names in heating, cooling, and refrigeration in New England

"Before installing a mini-split, the sales person told me that I'd need to cut down an interior shelf to a specific height. I paid a handyman $400 to do exactly what the sales person instructed. Later on, N.E.T.R. came and did the installation; however, AFTER the installation, a technician told me that they hadn't accounted for the vent opening and closing and that the shelf would need to be further cut down. As you can imagine, this type of service is rather ridiculous. If they knew that the shelf would need further cutting, they should have NOT installed the unit. I have called N.E.T.R. six (6) times in three weeks, and no one has called me back about this issue. After paying for the unit and for a handyman, it's ridiculous that I have AC that is compromised because no one with the company thought to properly measure the space so that the work by the handyman could be done once. At this point, I'd like for N.E.T.R. to take care of this for me."

Linda O on June 2025

For emergency services, please call 781-933-6387. N.E.T.R., Inc. is here to help homeowners install the best heating and cooling systems that fits their needs. Since 1989, we’ve installed heating and cooling systems in Boston and its surrounding areas, tackling tough problems that our clients face. Our goal is to ensure our clients have energy efficient, quiet, reliable systems so they can live their lives to the fullest both at home and at work. Our dedication to our customers’ needs is what drives us each and every day. Our approach to temperature control and comfort has helped us become one of the most respected names in heating, cooling, and refrigeration in New England

"Before installing a mini-split, the sales person told me that I'd need to cut down an interior shelf to a specific height. I paid a handyman $400 to do exactly what the sales person instructed. Later on, N.E.T.R. came and did the installation; however, AFTER the installation, a technician told me that they hadn't accounted for the vent opening and closing and that the shelf would need to be further cut down. As you can imagine, this type of service is rather ridiculous. If they knew that the shelf would need further cutting, they should have NOT installed the unit. I have called N.E.T.R. six (6) times in three weeks, and no one has called me back about this issue. After paying for the unit and for a handyman, it's ridiculous that I have AC that is compromised because no one with the company thought to properly measure the space so that the work by the handyman could be done once. At this point, I'd like for N.E.T.R. to take care of this for me."

Linda O on June 2025


Malvern Furusa Electrician LLC

78 Keystone Ln
4.43(
14
)
Approved Pro

Malvern Furusa Electrician LLC

78 Keystone Ln
4.43(
14
)
Approved Pro
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
89 local quotes requested

Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. We won't leave until the job is done right! Call or click to schedule an estimate today!

"After a little phone and text tagging, George showed up today and completed the job."

Richard P on September 2024

Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. We won't leave until the job is done right! Call or click to schedule an estimate today!

"After a little phone and text tagging, George showed up today and completed the job."

Richard P on September 2024


Avatar for 3 Angel Electrical

3 Angel Electrical

225 Quincy Ave
5.00(
7
)
Approved Pro

3 Angel Electrical

225 Quincy Ave
5.00(
7
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
53 local quotes requested

With over 25years of professional, licensed electrical experience, our team of certified electricians is prepared to handle a wide range of electrical needs with precision and care. From installing new lighting fixtures and outlets to performing intricate electrical panel upgrades, we ensure every job meets the highest safety and quality standards. We also offer troubleshooting and installation services for modern smart home technologies, helping you integrate cutting-edge solutions into your home or business seamlessly. Contact us today for a free estimate, we look forward to serving you!

"Jonace of 3 Angels Electrical was a breath of fresh air. I posted a request on Angi’s List to install a new LED Kitchen Ceiling Light. He texted me within minutes for details of the job and even ask how much I wanted to pay, this left me speech-less for a minute. He was clear on price once I explained the scope of the job. I appreciated his followup and being flexible. New light installed and no more flickering problems. I have several other electrical projects and will use him without hesitation and refer him to family and friends."

Dianne M on August 2025

With over 25years of professional, licensed electrical experience, our team of certified electricians is prepared to handle a wide range of electrical needs with precision and care. From installing new lighting fixtures and outlets to performing intricate electrical panel upgrades, we ensure every job meets the highest safety and quality standards. We also offer troubleshooting and installation services for modern smart home technologies, helping you integrate cutting-edge solutions into your home or business seamlessly. Contact us today for a free estimate, we look forward to serving you!

"Jonace of 3 Angels Electrical was a breath of fresh air. I posted a request on Angi’s List to install a new LED Kitchen Ceiling Light. He texted me within minutes for details of the job and even ask how much I wanted to pay, this left me speech-less for a minute. He was clear on price once I explained the scope of the job. I appreciated his followup and being flexible. New light installed and no more flickering problems. I have several other electrical projects and will use him without hesitation and refer him to family and friends."

Dianne M on August 2025

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Electrical questions, answered by experts

If the fan doesn’t have a switch, connect the white wire from the ceiling to the white wire from the fan; connect the green wire to the ground wire; connect both black wires; and connect both blue wires. If yours has a switch, the white and green wires are connected the same way. However, connect the ceiling’s red wire to the light’s black wire and the ceiling’s black wire to the fan’s black wire. 

You may not always need to hire a local electrician to install a doorbell camera. Wireless doorbell cameras, for instance, are simple enough for the average homeowner to install. They easily attach to your threshold and run on batteries, so no wiring is necessary.

However, wired doorbells with cameras likely require electrical work that should only be attempted by licensed electricians. You’ll need to call a pro if you’re working with a wired doorbell camera.

Black is the standard color for hot wires, which transfer electricity to your outlets and switches. Red wires are also hot wires. White (and sometimes gray) wires are considered neutral, delivering power back to the panel. Finally, green wires, which are sometimes bare copper, are ground wires, used to ground an electrical circuit and prevent electrocution.

Depending on complexity and materials, costs range from $150 to $500 per fixture.

Yes, it’s safe to strip a wire if you follow the proper safety precautions. First and foremost, you must always disconnect the power and never try stripping a live wire. Using wire strippers is another safety precaution, but don’t forget to keep your fingers away from the blade. It’s also critical you only remove the insulation and not accidentally cut into the conductor, which is unlikely as long as you’re using the right-sized wire stripper.

By submitting this question, I acknowledge and agree that Angi may publicly display my name, city, state, and question on the website for professionals and others to see.

The Dover, MA homeowners’ guide to electrical services

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