Get matched with top electricians in Boulder, MT

Q: Do hertz affect the flow of electricity as well?

• <div><p>Yes, but our analogy with the water hose doesn&rsquo;t really work here. You see, electrical flow isn&rsquo;t constant: It ebbs and flows like waves, coming in pulses of power. Hertz measures the rate of change in the flow of electricity, or how often it ebbs and flows. For example, 60Hz means that the electrons pulse through wiring 60 times per second. When they are pulsing, they&rsquo;re in a brief retreat. Almost all United States equipment is rated for 60Hz.</p></div>

Q: Is it safe to turn off a circuit breaker?

• <div><p>Although homeowners can turn off a breaker, it&rsquo;s vital to follow safety precautions when doing so to prevent serious and potentially fatal injuries. For instance, you want to ensure there is no water on the floor when you touch the breaker and wear protective gear such as safety glasses. Anytime you deal with anything electrical, it&rsquo;s always best to be as safe as possible.</p></div>

Q: How do you tell if a two-prong outlet is grounded?

• <div><p>By nature, two-prong outlets aren't grounded&mdash;but the box they run to might be, which makes them safer. The safest way to test if an outlet is grounded is to purchase a circuit tester, which cost about <b>$20</b> at home improvement stores. </p><p>If you discover your outlet (or outlets) aren't grounded, know that this greatly increases your risk of personal injury and electrical fires. You may want to consider installing new three-prong ground fault circuit interrupter (GFCI) outlets. On average, the <a href="https://www.angi.com/articles/how-much-should-it-cost-electrician-replace-combination-gfci-switch-and-receptacle.htm">cost to install GFCI outlets</a> is about <b>$210</b> per outlet.</p></div>

Q: Can a faulty light switch trip a breaker?

• <div><p>A faulty light switch can trip a breaker due to circuit overload or a short circuit. A faulty light switch may not always trip a breaker, so don&rsquo;t use that as your only sign that something&rsquo;s wrong. Always investigate the cause of a switch that isn&rsquo;t working properly, feels hot to the touch, or is making unusual noises.</p></div>

Q: Which appliances need dedicated circuits?

• <div><p>Appliances in your home that need dedicated circuits include:</p><ul><li><p>Refrigerators and chest freezers</p></li><li><p>Electric ranges, microwaves, and toaster ovens</p></li><li><p>Dishwashers and garbage disposals</p></li><li><p>Washers and dryers</p></li><li><p>Heating and air conditioning units</p></li><li><p>Hot tubs, saunas, and water pumps</p></li><li><p>Sump pumps</p></li><li><p>Central vacuums</p></li></ul><p></p></div>

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Verified Reviews for Electrical Service pros in Boulder, MT

*The Angi rating for Electrical Service companies in Boulder, MT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Electrical Service needs.

*The HomeAdvisor rating for Electrical Service companies in Boulder, MT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Electrical Service needs.

Last update on May 31, 2026

Reviewed in May 2026
Jennifer with DeBella&#39;s was super awesome and helpful!! We love our siding! When it dropped to well below 0 for weeks, no problems! And lower heating bills than years before! In the summer, the house stayed cooler aswell with the new siding. Couldn&#39;t be happier!!
DaBella - Bozeman (Bath/Siding)
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Reviewed in March 2026
Very polite. Completed the job quickly, did a quality job and cleaned up before leaving.
Smith Construction, Inc.
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Reviewed in November 2024
Everything went very smooth with the first consult all the way through to the texts leading up to the install. Great group of people to work with!
Renewal by Andersen of Montana
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Reviewed in August 2024
Great people to work with, family business, trustworthy, did an excellent job ripping up and replacing our driveway. They completed the job in one day and without any issues. Attention to detail. Highly recommend them and you won't have to worry about the quality of the job they'll do.
Ted's Asphalt Repair
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Reviewed in March 2024
Professional, right on time, quickly completed as scheduled. We will use them again.
Madison River Excavation
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Reviewed in November 2022
Nathan is an excellent worker who works speedily and professionally. He replaced our dining room and bathroom floor and did such an excellent job that we want to hire him back to do our kitchen floor!! I would recommend Nathan to anyone!!!
Freedom Flooring
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Reviewed in October 2021
Royal Construction managed a 6000 sgft Unique Log Home construction and finishing, inside & out, over multiple phases. Shane & his crew were detail oriented, overly efficient in design and material usage, punctual and 100% reliable to his word and bids. We would not have been able to...
Royal Construction & Remodeling
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Reviewed in December 2020
We went into the Helena location in July and picked out a shed to be built. We were told 8-10 weeks from time of order, so we put $1800.00 down that day. We were told we would receive updates along the build, and to expect our shed in late August, early Sept. By mid Sept, we still had no shed,...
TUFF SHED INC - Helena
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Reviewed in June 2020
John was extremely friendly, suggesting others to do portions of the work where he didn't consider himself an expert. They were, and the job was done right. For the part he did, the work was fast, clean, and done with a smile. He's my new go-to plumber in the Boulder/Helena area.
Sorensen Plumbing
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Reviewed in April 2020
He is very meticulous, takes pride in his, work, and makes sure whatever he does is done to code. I was pleased with the work he did for me!
DLH Electric
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Find Electricians in Boulder

A-1 Electrical, LLC

4.3(

)

Serving Boulder, MT and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"James was very professional and courteous. He explained everything he was doing as he did it, which I sincerely appreciated. He fixed my electrical problem quickly and efficiently. I would recommend him to everyone who is need of an electrician. He is awesome!"

Response time9 hrs

Recommended by90%of homeowners

Serving Boulder, MT and surrounding areas

Approved

In business since 1985

Free estimates

Emergency services offered

"I was introduced to Sacry through a third party. But I have now found an electrician for life! They showed up with little notice, analyzed the scope of what to be done, and made some recommendations. These recommendations were not so they could charge more, but rather so the job could be completed safely, and look professional. Sacry Electric went out of there way to make sure I was satisfied. I wish more companies had the same values as Sacry, putting the customers wants, needs, AND budget as their only priorities! Thanks again Sacry! I will be calling again soon!"

Response time2 days

Response rate100%

1 neighbors recently requested a quote

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Neli Virtual Appliance Repair

4.2(

654

)

Serving Boulder, MT and surrounding areas

Approved

In business since 2016

Free estimates

Warranties offered

"The problem turned out to be a burned out small electric door switch. I believe the price was way too expensive for the service performed and the price of the door switch. What more can I say? It got done."

Response time1 day

Recommended by88%of homeowners

Serving Boulder, MT and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Emergency services offered

"Friendly, professional and very knowledgeable! I hired Josh to do handyman work on four different Airbnb condos & he communicated well and was thorough. Highly recommended because of his range of skills (electrical), clear estimates & sticking to deadlines/completing jobs."

Response time1 day

2 neighbors recently requested a quote

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Platinum Tech Services, LLC

5.0(

)

Serving Boulder, MT and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Emergency services offered

"Excellent service! Very knowledgeable about products and an expert in alarm systems, placement of cameras and explanation of how the system works. We have peace of mind knowing our home is protected from intruders, fire and flood (monitoring). Platinum Tech Services has exceptional customer service and goes the extra mile."

Response time1 day

12 neighbors recently requested a quote

Serving Boulder, MT and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"They were able to get a technician to our office same day on a Friday . Phones were fixed and we were back in business. Excellent Service!"

Response time3 hrs

Response rate99%

4 neighbors recently requested a quote

Serving Boulder, MT and surrounding areas

In business since 2015

Free estimates

Warranties offered

"My job was completed quickly, professionally, and at a great value. I have already recommended RB Electric to friends, and would hire again."

Recommended by100%of homeowners

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Boulder Electric, LLC

4.9(

)

Serving Boulder, MT and surrounding areas

In business since 2020

Free estimates

Credit card accepted

"Eric did a great job!"

Response time3 hrs

Response rate90%

Recommended by100%of homeowners

Serving Boulder, MT and surrounding areas

In business since 2024

Free estimates

Warranties offered

"Brandon is very responsive, conscientious, and charges fair prices. I highly recommend him for any of your electrical needs."

Response time2 hrs

Response rate96%

Recommended by66%of homeowners

Serving Boulder, MT and surrounding areas

In business since 2021

Free estimates

Small jobs welcome

"Clark was polite, courteous &amp; very efficient. I will be happy to hire him(Nomad Electric) again!"

Recommended by100%of homeowners

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Showing 1-10 of 63

Electrical questions, answered by experts

Yes, but our analogy with the water hose doesn’t really work here. You see, electrical flow isn’t constant: It ebbs and flows like waves, coming in pulses of power. Hertz measures the rate of change in the flow of electricity, or how often it ebbs and flows. For example, 60Hz means that the electrons pulse through wiring 60 times per second. When they are pulsing, they’re in a brief retreat. Almost all United States equipment is rated for 60Hz.

Although homeowners can turn off a breaker, it’s vital to follow safety precautions when doing so to prevent serious and potentially fatal injuries. For instance, you want to ensure there is no water on the floor when you touch the breaker and wear protective gear such as safety glasses. Anytime you deal with anything electrical, it’s always best to be as safe as possible.

By nature, two-prong outlets aren't grounded—but the box they run to might be, which makes them safer. The safest way to test if an outlet is grounded is to purchase a circuit tester, which cost about $20 at home improvement stores.

If you discover your outlet (or outlets) aren't grounded, know that this greatly increases your risk of personal injury and electrical fires. You may want to consider installing new three-prong ground fault circuit interrupter (GFCI) outlets. On average, the cost to install GFCI outlets is about $210 per outlet.

A faulty light switch can trip a breaker due to circuit overload or a short circuit. A faulty light switch may not always trip a breaker, so don’t use that as your only sign that something’s wrong. Always investigate the cause of a switch that isn’t working properly, feels hot to the touch, or is making unusual noises.

Appliances in your home that need dedicated circuits include:

Refrigerators and chest freezers
Electric ranges, microwaves, and toaster ovens
Dishwashers and garbage disposals
Washers and dryers
Heating and air conditioning units
Hot tubs, saunas, and water pumps
Sump pumps
Central vacuums

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