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William G. Hyman Electrical Contracting

Verified Business
Electrician
Location Silver Spring, MD
5.0
( 4 reviews )
Closed
Write a Review
Location 712 Notley Rd, Silver Spring, MD, 20904, United States

Hours of Operation

Closed
Opens Monday at 8:00 AM
Sunday
Closed
Monday
8:00 AM - 5:00 PM
Tuesday
8:00 AM - 5:00 PM
Wednesday
8:00 AM - 5:00 PM
Thursday
8:00 AM - 5:00 PM
Friday
8:00 AM - 5:00 PM
Saturday (Today)
Closed

Holiday Hours: Please call ahead during holidays as hours may vary.

Featured Services

Old House Electrical Wiring

Electrical Upgrade

Electrical Panel Replace or Upgrade

Heavy Ups

Electrical Repairs

Lighting and Recessed Lighting

Ceiling Fans Installation

HVAC Wiring

Outdoor Security Lighting

Outlets / GFCI / Switches / Dimmers / Controls

Old House Electrical Wiring

No images available

Contact for Service

Electrical Upgrade

No images available

Contact for Service

Electrical Panel Replace or Upgrade

No images available

Contact for Service

Heavy Ups

No images available

Contact for Service

Electrical Repairs

No images available

Contact for Service

Lighting and Recessed Lighting

No images available

Contact for Service

Ceiling Fans Installation

No images available

Contact for Service

HVAC Wiring

No images available

Contact for Service

Outdoor Security Lighting

No images available

Contact for Service

Outlets / GFCI / Switches / Dimmers / Controls

No images available

Contact for Service

Frequently Asked Questions

Do I need a licensed electrical contractor if my circuit breaker keeps tripping?

William G. Hyman Electrical Contracting Yes, if the circuit breaker in your electrical service panel continually trips despite resetting, a licensed electrical contractor can diagnose and fix the problem.

William G. Hyman Electrical Contracting is the importance of GFCI protection in my home?

William G. Hyman Electrical Contracting Ground Fault Circuit Interrupters (GFCIs) provide protection in damp areas of the home to prevent electrical shock and enhance safety.

What are AFCIs and why are they important?

William G. Hyman Electrical Contracting Arc Fault Circuit Interrupters (AFCIs) provide fire prevention protection for bedroom circuits by detecting electrical arcs that could cause fires.

Does William G. Hyman Electrical Contracting handle new construction projects?

William G. Hyman Electrical Contracting provides electrical services for both renovation and brand new construction projects.

What areas does William G. Hyman Electrical Contracting serve?

William G. Hyman Electrical Contracting serves Silver Spring, Bethesda, Chevy Chase, Rockville, and Kensington areas.

About William G. Hyman Electrical Contracting

Verified

William G. Hyman Electrical Contracting is an electrical contractor business serving Silver Spring, Maryland, and surrounding areas including Bethesda, Chevy Chase, and Rockville. William G. Hyman Electrical Contracting provides a range of electrical services including old house electrical wiring, electrical upgrades, panel replacement or upgrades, heavy ups, electrical repairs, lighting and recessed lighting installation, ceiling fan installation, HVAC wiring, outdoor security lighting, and installation of outlets, GFCI, switches, dimmers, and controls. The business emphasizes professional service for both renovation and new construction projects, with a focus on safety and quality workmanship. William G. Hyman Electrical Contracting also addresses electrical safety concerns such as circuit breaker issues, GFCI protection in damp areas, and AFCI protection for bedroom circuits.

Customer Reviews

5.0
4 reviews
M

Marko

Feb 12, 2026
5.0

Amazing company with great communication and staff. We hired them to do a “heavy up” to install a 200 amp panel. The technicians, Kevin and Jeremy, were punctual, friendly, and efficient. I reached out to William several times with additional questions and he was helpful and thorough each time. All in all, I would definitely do business with these guys again. The price was right and even more importantly, the quality and professionalism were there from start to finish. Thanks, team.

D

David Bushnell

Dec 29, 2025
5.0

i am pleased to give Hyman Electrical a top rating for the exceptional service I was provided. I had a very unique electrical problem and Bill was able in one phone call to guide me to a solution that completely solve the problem., which turned out to be Pepco‘s burden. Though he did not do any work his timely advice was invaluable. And furthermore he wouldn’t send me an invoice as I requested.. I will use this firm for any electrical need I have going forward.

J

John Benning

Sep 12, 2025
5.0

Outstanding work by William G. Hyman Electrical Contracting. I am impressed with the professionalism, attention to detail and technical skill. Jeremy and his partner (forgot his name) expertly diagnosed and repaired an issue with old wiring in a crowded electrical box and associated 3-way switch. They also described a safety and building code issue with an outdated electrical panel with Pushmatic circuit breakers. As a result I had the panel and replaced and upgraded my service which went smoothly, timely and efficiently. If you want to be assured the job is done properly and professionally and will pass the County Inspection then this is the place to go.

T

Toby Pirro

Nov 20, 2024
5.0

We were referred to Hyman Electric by friends. We saw the glowing reviews online and Bill was extremely informative when we first spoke. We had been in our new house for only a few months. It was built in 1952 and rehabbed/expanded in 2006. Dual zone HVAC/heat pumps were added in 2015, a generator in 2016 and we were effectively bursting at the seams power-wise wanting to add an electric pool heater when Bill recommended we “heavy up” from 200 to 400 amp service. We initially had them upgrade a circuit for our new electric induction oven, then Bill started the planning for the “heavy up”. Pepco did a field inspection then Bill wrote up the contract. Jeremy and Kevin were there right away and did the inside circuit panel work as well as the outside meter panel and connection work in a couple of days, and they were able to run our generator which eliminated a loss of power while they did their work. The County inspector commented on their great work. And Bill coordinated all the steps from initiating and managing the process with Pepco, scheduling the County inspection, to the cutover with Pepco, which Bill and crew’s wiring installation allowed us to use the generator and avoid a long power outage. Superb work overall. I thank Bill for the power up suggestion and wholly recommend that procedure and having Bill and his crew perform the job!

5.0

Based on 4 reviews

M

Marko

Feb 12, 2026
5.0
Amazing company with great communication and staff. We hired them to do a “heavy up” to install a 200 amp panel. The technicians, Kevin and Jeremy, were punctual, friendly, and efficient. I reached out to William several times with additional questions and he was helpful and thorough each time. All in all, I would definitely do business with these guys again. The price was right and even more importantly, the quality and professionalism were there from start to finish. Thanks, team.
D

David Bushnell

Dec 29, 2025
5.0
i am pleased to give Hyman Electrical a top rating for the exceptional service I was provided. I had a very unique electrical problem and Bill was able in one phone call to guide me to a solution that completely solve the problem., which turned out to be Pepco‘s burden. Though he did not do any work his timely advice was invaluable. And furthermore he wouldn’t send me an invoice as I requested.. I will use this firm for any electrical need I have going forward.
J

John Benning

Sep 12, 2025
5.0
Outstanding work by William G. Hyman Electrical Contracting. I am impressed with the professionalism, attention to detail and technical skill. Jeremy and his partner (forgot his name) expertly diagnosed and repaired an issue with old wiring in a crowded electrical box and associated 3-way switch. They also described a safety and building code issue with an outdated electrical panel with Pushmatic circuit breakers. As a result I had the panel and replaced and upgraded my service which went smoothly, timely and efficiently. If you want to be assured the job is done properly and professionally and will pass the County Inspection then this is the place to go.
T

Toby Pirro

Nov 20, 2024
5.0
We were referred to Hyman Electric by friends. We saw the glowing reviews online and Bill was extremely informative when we first spoke. We had been in our new house for only a few months. It was built in 1952 and rehabbed/expanded in 2006. Dual zone HVAC/heat pumps were added in 2015, a generator in 2016 and we were effectively bursting at the seams power-wise wanting to add an electric pool heater when Bill recommended we “heavy up” from 200 to 400 amp service. We initially had them upgrade a circuit for our new electric induction oven, then Bill started the planning for the “heavy up”. Pepco did a field inspection then Bill wrote up the contract. Jeremy and Kevin were there right away and did the inside circuit panel work as well as the outside meter panel and connection work in a couple of days, and they were able to run our generator which eliminated a loss of power while they did their work. The County inspector commented on their great work. And Bill coordinated all the steps from initiating and managing the process with Pepco, scheduling the County inspection, to the cutover with Pepco, which Bill and crew’s wiring installation allowed us to use the generator and avoid a long power outage. Superb work overall. I thank Bill for the power up suggestion and wholly recommend that procedure and having Bill and his crew perform the job!

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Frequently Asked Questions

5 Questions

Find answers to common questions about William G. Hyman Electrical Contracting.

Do I need a licensed electrical contractor if my circuit breaker keeps tripping?

William G. Hyman Electrical Contracting Yes, if the circuit breaker in your electrical service panel continually trips despite resetting, a licensed electrical contractor can diagnose and fix the problem.

William G. Hyman Electrical Contracting is the importance of GFCI protection in my home?

William G. Hyman Electrical Contracting Ground Fault Circuit Interrupters (GFCIs) provide protection in damp areas of the home to prevent electrical shock and enhance safety.

What are AFCIs and why are they important?

William G. Hyman Electrical Contracting Arc Fault Circuit Interrupters (AFCIs) provide fire prevention protection for bedroom circuits by detecting electrical arcs that could cause fires.

Does William G. Hyman Electrical Contracting handle new construction projects?

William G. Hyman Electrical Contracting provides electrical services for both renovation and brand new construction projects.

What areas does William G. Hyman Electrical Contracting serve?

William G. Hyman Electrical Contracting serves Silver Spring, Bethesda, Chevy Chase, Rockville, and Kensington areas.

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Location

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712 Notley Rd, Silver Spring, MD 20904

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