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Avatar for AU Electric, LLC

AU Electric, LLC

5.00(
14
)
Approved Pro

AU Electric, LLC

5.00(
14
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
3 years of experience

AU Electric LLC is dedicated to providing our customers with the best quality and craftsmanship. We are a family and veteran owned and operated business. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!

"Great to work with, very reasonable. Highly recommend"

Classic W on March 2023

AU Electric LLC is dedicated to providing our customers with the best quality and craftsmanship. We are a family and veteran owned and operated business. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!

"Great to work with, very reasonable. Highly recommend"

Classic W on March 2023


Avatar for LG Electric, LLC

LG Electric, LLC

4.96(
24
)
Approved Pro

LG Electric, LLC

4.96(
24
)
Approved Pro
Customers say: Quick response
38 local quotes requested
5 years of experience

LG Electric, LLC is a locally owned electrical contractor providing quality, efficient, and reliable service 24/7 in Billings and surrounding areas. You can count on us to get any job done, up to code, and in a timely manner!

"They did a great job and fixed my mast on my house. The only thing I am questioning is the time they spent doing the job. I was unable to get into Angi for the time they were coming, so I had not called NorthWestern Energy to get the power shut off. I was charged for 3 1/2 hours."

Colleen H on November 2025

LG Electric, LLC is a locally owned electrical contractor providing quality, efficient, and reliable service 24/7 in Billings and surrounding areas. You can count on us to get any job done, up to code, and in a timely manner!

"They did a great job and fixed my mast on my house. The only thing I am questioning is the time they spent doing the job. I was unable to get into Angi for the time they were coming, so I had not called NorthWestern Energy to get the power shut off. I was charged for 3 1/2 hours."

Colleen H on November 2025


Avatar for Comtech, Inc.

Comtech, Inc.

4.80(
17
)
Approved Pro

Comtech, Inc.

4.80(
17
)
Approved Pro
Customers say: Quick response
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
23 years of experience

COMTECH Audio Theater Security: Professional installation and service of a full line of products including fire and alarm systems, alarm monitoring, camera systems, automation, audio, video, voice control, home theater, audio distribution, phone, data, networks, communications and central vacuums. At COMTECH, our professionals install quality and cutting edge products, have up to date knowledge of the Security and Integrated Home Systems marketplace, provide excellent consulting services and are highly qualified to offer a wide range of designs, recommendations and solutions to satisfy the most difficult system challenges. Our goal is to offer the most exceptional installation and customer service available. Ready and Friendly Service. Security & Fire Protection CCTV & Camera Systems Alarm & Video Monitoring Access Control & Gates Distributed Audio Communications Wiring Audio Video Conference Room Projection & Theater Exhibits Automation

"Comtech did the job at a good price, on time, and properly. I signed up for their monitoring, and will continue to do business with them"

Rob B on January 2020

COMTECH Audio Theater Security: Professional installation and service of a full line of products including fire and alarm systems, alarm monitoring, camera systems, automation, audio, video, voice control, home theater, audio distribution, phone, data, networks, communications and central vacuums. At COMTECH, our professionals install quality and cutting edge products, have up to date knowledge of the Security and Integrated Home Systems marketplace, provide excellent consulting services and are highly qualified to offer a wide range of designs, recommendations and solutions to satisfy the most difficult system challenges. Our goal is to offer the most exceptional installation and customer service available. Ready and Friendly Service. Security & Fire Protection CCTV & Camera Systems Alarm & Video Monitoring Access Control & Gates Distributed Audio Communications Wiring Audio Video Conference Room Projection & Theater Exhibits Automation

"Comtech did the job at a good price, on time, and properly. I signed up for their monitoring, and will continue to do business with them"

Rob B on January 2020


Electrifly Line LLC

No reviews yet

Electrifly Line LLC

No reviews yet
24 years of experience

Electrical Underground and Overhead Utility, Excavation, Landscaping, Handi-man, Water, Septic Small Family-Owned Business 20+ years of Hard Work experience Customer Service is very important

Electrical Underground and Overhead Utility, Excavation, Landscaping, Handi-man, Water, Septic Small Family-Owned Business 20+ years of Hard Work experience Customer Service is very important


Montana WiFi

5.00(
3
)

Montana WiFi

5.00(
3
)
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Local business servicing Yellowstone, Carbon, and Stillwater counties for 5 years. We provide home networking services and repair for residential and commercial customers.

"It was fantastic, it was great. Josh was very professional, he was on time, and he just did a really good job."

Shannon S on August 2020

Local business servicing Yellowstone, Carbon, and Stillwater counties for 5 years. We provide home networking services and repair for residential and commercial customers.

"It was fantastic, it was great. Josh was very professional, he was on time, and he just did a really good job."

Shannon S on August 2020


Avatar for LG Electric

LG Electric

5.00(
6
)

LG Electric

5.00(
6
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

LG Electric is a locally owned electrical contracting company that is committed to setting a higher standard. We provide top quality, efficient, and reliable service 24/7 in Billings and the surrounding area. Our #1 priority is taking care of every client and earning your lifelong business and support. We do all kinds of electrical work from simple light fixture changes to remodels, new builds and everything in between. You can count on us to get any job done in a timely manner while meeting all code requirements and providing one of a kind customer service.

"Amazing they were talkative, engaging, and explained thing really well, I would highly recommend them, and use them again!"

Shayla K on November 2020

LG Electric is a locally owned electrical contracting company that is committed to setting a higher standard. We provide top quality, efficient, and reliable service 24/7 in Billings and the surrounding area. Our #1 priority is taking care of every client and earning your lifelong business and support. We do all kinds of electrical work from simple light fixture changes to remodels, new builds and everything in between. You can count on us to get any job done in a timely manner while meeting all code requirements and providing one of a kind customer service.

"Amazing they were talkative, engaging, and explained thing really well, I would highly recommend them, and use them again!"

Shayla K on November 2020


St. James Enterprises

No reviews yet

St. James Enterprises

No reviews yet

Elite Handyman has a wide range of services to provide for both commercial and residential projects! Looking to update those outdated fixtures in your home or have your furnace serviced? Call 406-252-0593. Free quotes, & we actually show up on time!

Elite Handyman has a wide range of services to provide for both commercial and residential projects! Looking to update those outdated fixtures in your home or have your furnace serviced? Call 406-252-0593. Free quotes, & we actually show up on time!


High Timber Electric

No reviews yet

High Timber Electric

No reviews yet
9 years of experience

At High Timber Electric we provide professional electrical services in Ronan, Polson and surounding areas thoughout northwestern Montana. We strive to give a quality product, we believe in craftsmanship and professionalism. We like to give our customers the comfort in knowing there home is in good hands and all work performed will be at the highest level of craftsmanship. You can rest at ease knowing we provide quality work with hassle free services! Give us a call 406-250-7193 email: [email protected]

At High Timber Electric we provide professional electrical services in Ronan, Polson and surounding areas thoughout northwestern Montana. We strive to give a quality product, we believe in craftsmanship and professionalism. We like to give our customers the comfort in knowing there home is in good hands and all work performed will be at the highest level of craftsmanship. You can rest at ease knowing we provide quality work with hassle free services! Give us a call 406-250-7193 email: [email protected]



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Electrical questions, answered by experts

For a 200-amp underground service, you need a minimum of #2/0 American Wire Gauge (AWG) copper or #4/0 AWG aluminum or copper-clad wire. Don’t forget that, at minimum, you’ll need to use a 1 1/2-inch schedule 40 or 80 PVC conduit to successfully run a 200-amp underground service.

The wrong-sized wire can lead to several safety hazards, including structural fires, surges, power outages from tripped breakers, and electrocution. It’s important to follow the American Wire Gauge system and the National Electrical Code guidelines to safely wire a home. Electrical wiring is not safe for homeowners to handle and is best left to a licensed electrician.

Timers work by using an internal switch to turn power on or off to the cord plugged into it. Just the same way that a light switch turns lights on and off, the timer throws the switch at the programmed times.

In the case of electrical overflow, an ungrounded outlet should trip the circuit breaker, staving off dangerous scenarios. However, this is not always the case, especially if the wires and circuit breaker are worn down or damaged in some way. Ungrounded wires melt over time as they are introduced to more and more electricity. In other words, a circuit breaker offers protection in most instances but not always, and that’s where the danger lies with ungrounded outlets.

No, because amps and volts measure very different things. However, you can use basic equations to find amps or volts by using data about one of the measurements to calculate the other.

The Roberts, MT homeowners’ guide to electrical services

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