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TRUSTED BY MARLBOROUGH, NH HOMEOWNERS

  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon92
    Verified electrical services reviews

Top-Rated Electricians in Marlborough - Updated Nov 2026

Monadnock Electric
4.8(
21
)
Electrical Switches, Outlets & Fixtures - Install or RepairElectric Vehicle Charging Station Installation - Materials Not ProvidedElectrical Wiring or Panel Upgrade+9 more

Serving Marlborough, NH and surrounding areas

Approved

In business since 1977

Free estimates

Emergency services offered

"They came out and did excellent work, installing my portable generator to the house. I would highly recommend them for any job. Very professional."
Response time9 hrs
5 neighbors recently requested a quote
Recommended by100%of homeowners
MJS Electrical Services, LLC
3.6(
38
)
Fixed Generator - InstallElectric Vehicle Charging Station Installation - Materials Not ProvidedElectric Vehicle Charging Station Installation - For Business - Materials Not Provided+3 more

Serving Marlborough, NH and surrounding areas

Approved

In business since 2007

Free estimates

Credit card accepted

"what they quoted was the final bill.....they cleaned up every area as they installed. They double checked as they were leaving to make sure everything was 100%. I wish they did more than electrical!!!"
7 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for W B Lightning Rods
W B Lightning Rods
4.6(
372
)
Lightning Protection - Install or Repair

Serving Marlborough, NH and surrounding areas

Approved

In business since 2001

Free estimates

Warranties offered

"William and staff responded promptly to my request for service with reasonable pricing. They arrived at the house at the agreed upon time, were respectful of my property, explained the process and completed the work within the specified time frame. They were pleasant, easy to work with and installed a quality lightning rods system. I highly recommend them."
lightning protection
 Residential LPS
lightning protection
 Residential LPS
lightning protection

+79

Response time1 day
148 neighbors recently requested a quote
Recommended by96%of homeowners
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Electrical FAQs, answered by experts

Smart light switches are designed to work with most traditional light fixtures and wiring. However, there are several compatibility factors to consider. Some smart switches require a neutral wire to function, which may not be present in older homes (typically built before 1985). If you plan to use a dimming feature, ensure your LED bulbs are specifically the dimmable type. Additionally, a stable Wi-Fi connection is necessary for remote control, though some models may use other standards like ZigBee, which would require a compatible smart home hub.

Yes, a faulty or broken light switch can be a serious fire hazard. Malfunctioning switches, often due to loose connections, exposed wiring, or overheating, can cause sparking or arcing. If you hear a crackling, popping, or hissing sound when you use the switch, it indicates live electricity arcing inside, which is a significant hazard that can ignite nearby flammable materials. If you suspect your light switch is faulty, turn off the power to that circuit at the breaker and contact a qualified electrician to remedy the issue.

Yes, you can use a dimmer switch with an LED fixture, but it must be a dimmer that is compatible with LEDs. Check the manufacturer’s information to ensure the dimmer works with LEDs, as not all dimmers are compatible with them. Many smart light switches accept LEDs, but be sure to read the details on the packaging.

The cost to install or replace a circuit breaker depends on the price of the unit itself and the complexity of the installation. A new circuit breaker typically costs between $10 and $100, with standard breakers being the most affordable and GFCI or AFCI types costing more. If you are upgrading to a higher amperage, a 200-amp circuit breaker can cost between $250 and $350. The average total cost for professional installation is around $700, but this price varies. A simple replacement into existing wiring will cost less than a more complex project that requires opening walls, running new wires, and securing permits.

Yes, a water leak poses a major fire risk at your home because water is a conductor of electricity. Water that comes into contact with sparks or electrical wires can instantly ignite flammable materials. Additionally, any type of exposure to water can cause wires and other electrical components within your home to corrode. When assessing categories of water damage, it's important to know that even a small amount of moisture near wiring could cause sparks that lead to a fire.

The Marlborough, NH homeowners’ guide to electrical services

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