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4.6

(704 reviews)

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Avatar for Garafano Electric, Inc.
Garafano Electric, Inc.
4.8(
188
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 1968

Free estimates

Warranties offered

"Garafano Electric has being taking care of all the electrical needs and upgrades in our 90 plus year old house for a few years now. They always do A+ work. We're currently in the middle of some home renovations and they've been willing and able to work with our erratic schedule. Honest, dependable, and great at what they do. Can't recommend them high enough!"
Response time3 days
3 neighbors recently requested a quote
Recommended by98%of homeowners
JK Flores Enterprise LLC.
5.0(
41
)

Serving Diamond Bar, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"The Technician (George) that came over was in time. He was very helpful in identifying the concerns we had with the appliances electrical outlets and circuit breakers. If we need any more electrical work done on our house we will be searching out to JK Flores for there service."
Existing ceiling fan
UPS system ready for a power outage
e.v. charger
New ceiling fan in living room
New UPS system

+28

Response time4 hrs
Response rate95%
3 neighbors recently requested a quote
Avatar for JVEC, INC.
JVEC, INC.
4.9(
256
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 1974

Free estimates

Warranties offered

"It went well. The of the company, Jack, came out to provide the estimate. He answered all my questions about the project specifically as well as other electrical subjects not part of the project. He was very knowledgeable and experienced. On the day of the project, The workers advised when they were enroute to my house. Upon arrival, they confirmed the work to be and where it was to be done. They were friendly, courteous and professional."
Response time2 days
14 neighbors recently requested a quote
Recommended by96%of homeowners
Martin's Electrical & Lighting Company
4.8(
100
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 1996

Free estimates

Emergency services offered

"Installing the Quite Cool whole house fan was a great investment. Tested it over the weekend and it performed just as advertised. Should save plenty on AC operating costs. Martin was professional and answered all questions. Dependable and will use him for any electrical issues that may come up later."
New Samsung Flat Panel!!
 Recess Lights
 Smart Phone this Code for Specials!!!
 Kitchen Lighting
Flat Panel TV

+15

Recommended by98%of homeowners
Avatar for Alset Electric
Alset Electric
4.8(
67
)

Serving Diamond Bar, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Emergency services offered

"Excellent. A very efficient and well done job. Eduardo was always on time. The job was finished when he said it would be. I recommend him and I will hire Alset Electric company for my next electrical project ."
Transformer
Beautiful chandelier set up power with switch and put chandelier together piece by piece
Lighting for kitchen counters with a switch..  you can turn on and off..  really cool looking.. something different..
Trenching
Trenching

+62

Response time1 day
12 neighbors recently requested a quote
Recommended by75%of homeowners
Avatar for Quality Electric Corp
Quality Electric Corp
5.0(
17
)

Serving Diamond Bar, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2014

Free estimates

Credit card accepted

"I needed a fan installed in my garage and Quinn came and installed my fan. He also changed out some plugs that were bad. He did a great job and I would definitely call Quality Electric again."
Response time3 hrs
Response rate97%
4 neighbors recently requested a quote
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Electrical questions, answered by experts

Different types of light switches include single-pole switches (the standard switch in your home), double-pole switches, toggle switches, three-way switches, four-way switches, dimmer switches, and more. 

A single-pole light switch controls the power to a single device, whereas two-way, three-way, and four-way light switches control lights from different locations, increasing the number of connections in the home.

If you strictly adhere to electrical safety rules, including assuming that a circuit is hot until proven otherwise, and have some knowledge of how an electrical circuit works, you can likely replace a light switch by yourself without too much trouble. However, it's always advisable to call a nearby electrical pro to do the job if you're unsure of any steps necessary to change a light switch. 

When combined with a substantial solar system, if you have enough Powerwalls, you could go off-grid and be energy independent. But remember, you'd need enough Powerwalls to power your whole home continuously because a single Powerwall can’t power large appliances for extended periods. One Powerwall is able to power an average-sized home's emergency circuits, lights, and outlets. To power large appliances, you likely need two or three Powerwalls.

If you plan to have a refrigerator or other appliances that require electricity, you will need an electrical outlet in your outdoor kitchen. Be sure to comply with all National Electrical Code® (NEC®) codes for electrical wiring and outlets in kitchens. If you do not plan to install a refrigerator or any other appliances that require electricity as part of your outdoor kitchen features, then you do not need to install electrical outlets. However, it is a good idea to install at least one electrical outlet should you decide to use any appliances that require electricity.

You should never wire neutral and ground wires together at a light switch. Not only is it unsafe, but it’s also incorrect. The neutral and ground wires perform separate functions in an electrical circuit and should never be swapped or wired together at a light switch, light, or outlet. 

The Diamond Bar, CA homeowners’ guide to electrical services

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