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    Verified electrical services reviews

Find Electricians in Groton

JWM Construction

1606 Elm St
4.00(
3
)

JWM Construction

1606 Elm St
4.00(
3
)
58 local quotes requested

Over 10 years in both commercial and residential construction, we can handle any job, big or small. From new construction to remodeling, we can help. Quality, customer satisfaction, and safety are our top priorities.

"The work was excellent. Jessie and his crew were very friendly and professional. They kept us informed of the work progress and asked Roger his opinion on the work being done.  "

Roger O on April 2025

Over 10 years in both commercial and residential construction, we can handle any job, big or small. From new construction to remodeling, we can help. Quality, customer satisfaction, and safety are our top priorities.

"The work was excellent. Jessie and his crew were very friendly and professional. They kept us informed of the work progress and asked Roger his opinion on the work being done.  "

Roger O on April 2025


Skyline Engineering

615 12th St
No reviews yet

Skyline Engineering

615 12th St
No reviews yet

We believe a successful project begins with our people. Direct principal involvement with every project allows us to merge your vision with our practical experience to achieve your goals. Our work is responsive, innovative, and dedicated to project delivery. We strive to provide our clients with substantial return on investment regardless of whether the performance metric is financially or philosophically motivated. Sustainable design should be responsible to the pocketbook as well as the environment. Founded in 2002, Skyline Engineering is a full service mechanical and electrical consulting firm holding professional registrations in South Dakota and the upper Midwest. We are also registered with the National Council of Examiners for Engineering and Surveying (NCEES) allowing us to quickly become registered in any state should the need arise. Beyond our core services of mechanical and electrical engineering, we are known regionally for our specialized skills related to geothermal systems, indoor air quality, and lighting design. The proactive approach we take during the design allows us to enjoy open working relationships with the architect, owner, facility user groups, authorities having jurisdiction, and utility providers – everyone who could, and should, impact the facility design. Our experience spans the breadth of project delivery methods including traditional design-bid-build, design-build, construction manager at risk, and integrated project delivery. Irrespective of whether we are engaged by an owner, architect, or contractor, we understand the nuances of each delivery method as well as the requirements and duties of each party during every stage of the delivery process. Listen, understand, and then deliver – we focus to solve your needs by delivering a quality project on time and within budget.

We believe a successful project begins with our people. Direct principal involvement with every project allows us to merge your vision with our practical experience to achieve your goals. Our work is responsive, innovative, and dedicated to project delivery. We strive to provide our clients with substantial return on investment regardless of whether the performance metric is financially or philosophically motivated. Sustainable design should be responsible to the pocketbook as well as the environment. Founded in 2002, Skyline Engineering is a full service mechanical and electrical consulting firm holding professional registrations in South Dakota and the upper Midwest. We are also registered with the National Council of Examiners for Engineering and Surveying (NCEES) allowing us to quickly become registered in any state should the need arise. Beyond our core services of mechanical and electrical engineering, we are known regionally for our specialized skills related to geothermal systems, indoor air quality, and lighting design. The proactive approach we take during the design allows us to enjoy open working relationships with the architect, owner, facility user groups, authorities having jurisdiction, and utility providers – everyone who could, and should, impact the facility design. Our experience spans the breadth of project delivery methods including traditional design-bid-build, design-build, construction manager at risk, and integrated project delivery. Irrespective of whether we are engaged by an owner, architect, or contractor, we understand the nuances of each delivery method as well as the requirements and duties of each party during every stage of the delivery process. Listen, understand, and then deliver – we focus to solve your needs by delivering a quality project on time and within budget.







Dramstad Refrigeration & Electric

133 3rd St SE
No reviews yet

Dramstad Refrigeration & Electric

133 3rd St SE
No reviews yet
49 years of experience

Dramstad Refrigeration & Electric Inc, located in Huron, SD has been providing Heating, Air-Conditioning, Commercial Refrigeration, Commercial Electrical, and Residential Electrical Service since 1976. We provide sales and services as well as parts. Services include: Commercial Refrigeration Air Conditioning Walk In Coolers Milk Coolers Ice Machines Electrical Wiring Heating & Cooling Equipment. Heating & Sheet Metal Work Commercial Cooking Equipment repairs Carrier Payne Frigidaire Scotsman Manitowoc ice machines We service all brands and models 24 Hour Emergency Service. Please call us for any job large or small - we are without a doubt the best of the best ! Ask us about our prices - we've got great rates!

Dramstad Refrigeration & Electric Inc, located in Huron, SD has been providing Heating, Air-Conditioning, Commercial Refrigeration, Commercial Electrical, and Residential Electrical Service since 1976. We provide sales and services as well as parts. Services include: Commercial Refrigeration Air Conditioning Walk In Coolers Milk Coolers Ice Machines Electrical Wiring Heating & Cooling Equipment. Heating & Sheet Metal Work Commercial Cooking Equipment repairs Carrier Payne Frigidaire Scotsman Manitowoc ice machines We service all brands and models 24 Hour Emergency Service. Please call us for any job large or small - we are without a doubt the best of the best ! Ask us about our prices - we've got great rates!


Custom Coils

109 Iowa St
No reviews yet

Custom Coils

109 Iowa St
No reviews yet
58 years of experience

Custom Coils Serves as a Leading Source of Value-Driven Custom Magnetics Custom Coils is a leading manufacturer of transformers, inductors, and specialty magnetic components in the USA. Located in Alcester, South Dakota, the company owns a large and well-equipped facility of 17,000 sq. ft. where the conceptualization, designing, and manufacturing is conducted. Advanced manufacturing capabilities have helped the company emerge as a proven leader in the magnetics industry. Being an ISO 9001:2015 manufacturer, the company values quality and performance the most. Product Offerings of Custom Coils Custom Coils specializes in the design and manufacturing of the following types of transformers: • High Voltage Transformers • Switchmode Transformers • Flyback Transformers • Trigger Pulse Transformers • Step up/down Transformers • Power Transformers • Toroidal Transformers • Custom Transformers • Control Transformers • Inverter Transformers • Low Profile Transformers • Ferrite Transformers • Pulse Transformers • Single Phase Transformers • Specialty Transformers • Isolation Transformers • Surface Mount Transformers • Antenna Air Coils • Down Hole Applications • DC Igniters • High Current Inductors • Toroidal Inductors • Surface Mount Inductors • Ferrite Inductors • Power Inductors Services Offered by Custom Coils The Company provides various types of services such as these: • Winding Services • Assisted Design Services • Custom Prototyping • Custom Test Suite Creation • Through-hole PCB Assembly • Reverse Engineering • Custom Winding • Component Assembly • Transformer Lamination • Molding and Encapsulation Applications of Transformers Custom Coils regularly designs inductors and transformers for the following applications: • Military Targeting Lasers • Biomedical Lasers • Laser Measuring Equipment • Spark Switches • Laser Flashtubes • Industrial Cutting Lasers • Xenon Lighting and Flash Tubes • Camera Flashes • Igniters • Stun Gun/Shockers

Custom Coils Serves as a Leading Source of Value-Driven Custom Magnetics Custom Coils is a leading manufacturer of transformers, inductors, and specialty magnetic components in the USA. Located in Alcester, South Dakota, the company owns a large and well-equipped facility of 17,000 sq. ft. where the conceptualization, designing, and manufacturing is conducted. Advanced manufacturing capabilities have helped the company emerge as a proven leader in the magnetics industry. Being an ISO 9001:2015 manufacturer, the company values quality and performance the most. Product Offerings of Custom Coils Custom Coils specializes in the design and manufacturing of the following types of transformers: • High Voltage Transformers • Switchmode Transformers • Flyback Transformers • Trigger Pulse Transformers • Step up/down Transformers • Power Transformers • Toroidal Transformers • Custom Transformers • Control Transformers • Inverter Transformers • Low Profile Transformers • Ferrite Transformers • Pulse Transformers • Single Phase Transformers • Specialty Transformers • Isolation Transformers • Surface Mount Transformers • Antenna Air Coils • Down Hole Applications • DC Igniters • High Current Inductors • Toroidal Inductors • Surface Mount Inductors • Ferrite Inductors • Power Inductors Services Offered by Custom Coils The Company provides various types of services such as these: • Winding Services • Assisted Design Services • Custom Prototyping • Custom Test Suite Creation • Through-hole PCB Assembly • Reverse Engineering • Custom Winding • Component Assembly • Transformer Lamination • Molding and Encapsulation Applications of Transformers Custom Coils regularly designs inductors and transformers for the following applications: • Military Targeting Lasers • Biomedical Lasers • Laser Measuring Equipment • Spark Switches • Laser Flashtubes • Industrial Cutting Lasers • Xenon Lighting and Flash Tubes • Camera Flashes • Igniters • Stun Gun/Shockers


Roger's Electric Motor Repair

205 E 22nd Ave
No reviews yet

Roger's Electric Motor Repair

205 E 22nd Ave
No reviews yet
Free onsite estimate

Roger's Electric Motor Repair has been serving the Milbank and surrounding areas since 1990. We are proud to say we have a wide selection of Milwaukee tools and accessories , and we have access to get about anything our customers need. We specialize in: Electric Motor Sales & Service Electric Pump Sales & Service Bearings, Belts, & Pulleys Electrical Supplies MILWAUKEE Tool Distributor WINCO Generator Distributor We service what we sell! DIRECTIONS From Intersection SD Hwy 15 and SD Hwy 12 in Milbank, Take SD Hwy 15 south. We are located between Schuneman Equipment and KMSD Radio. For more information stop in the store, or give us a call and we would be happy to serve you!

Roger's Electric Motor Repair has been serving the Milbank and surrounding areas since 1990. We are proud to say we have a wide selection of Milwaukee tools and accessories , and we have access to get about anything our customers need. We specialize in: Electric Motor Sales & Service Electric Pump Sales & Service Bearings, Belts, & Pulleys Electrical Supplies MILWAUKEE Tool Distributor WINCO Generator Distributor We service what we sell! DIRECTIONS From Intersection SD Hwy 15 and SD Hwy 12 in Milbank, Take SD Hwy 15 south. We are located between Schuneman Equipment and KMSD Radio. For more information stop in the store, or give us a call and we would be happy to serve you!

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Electrical questions, answered by experts

Before the widespread use of PVC, affixing a ground wire to plumbing pipes was generally considered to be an acceptable workaround. Nowadays, not so much. There are plenty of nonmetallic water pipes and fittings out there, so any ground previously provided by the metallic piping would be interrupted in these cases, which is dangerous.

To check if doorbell wires are live, use a non-contact voltage tester. Hold the tester near the wires; if it lights up or beeps, the wires are live. Always ensure the power is off at the breaker box before handling any wiring. If you don't have a voltage tester, consider getting one or consulting a professional to ensure safety.

No, this is extremely dangerous, often illegal, and you should never attempt it. If you connect your generator to your home without a transfer switch, the generated power can backfeed, essentially flowing back into the utility lines. Backfeeding exposes a significant threat of fatalities or harm to you and utility personnel, in addition to jeopardizing the structural integrity of your home.

No, both switches do not need to be on for a 3-way switch to work. When the two switches are in opposite positions, the circuit is open and the light is off. Flipping either switch closes the circuit and turns the light on. So, either switch can turn the light off independently, and both switches do not need to be in the same position for the switch to function.

Though they may seem similar at a quick glance, outdoor electrical outlets are different from indoor electrical outlets in that they have extra safety precautions to prevent electrical hazards. These include GFCIs, which some indoor outlets have, and a watertight cover that allows you to use electricity from the outlet even on a rainy day.

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The Groton, SD homeowners’ guide to electrical services

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