Wholesale Electrical Products

Top Brands. 
Competitive Pricing. 
Fast Service.

We supply a full range of high-quality electrical products from the industry’s leading brands. Whether you’re working on residential, commercial, or industrial projects, we have the products you need—backed by expert support.

Our wide range of electrical supplies includes wires, cables, breakers, and more. Our products are sourced from top manufacturers to ensure quality and reliability.

At Castillo Electric Distribution, we believe in providing our customers with the best value for their money. That's why we offer competitive prices on all of our products.

Fast Shipping & Local Pickup Available!
Get your supplies when you need them.

Switchgear & Components

Panels, breakers, fuses, meters, transformers, and more

Lighting & Controls

Energy-efficient lighting solutions and smart control systems

Wiring & Conduit

Reliable, code compliant materials for safe installations

Tools & Safety Gear

Essential equipment for every electrical job

An Authorized Siemens Distributor

Castillo Electric Distribution is proud to be an authorized official Siemens distributor. Get trusted Siemens electrical products with local support, fast service, and expert guidance from an electrician-run wholesale supplier.

Siemens is one of the most trusted names in the electrical industry and is known for innovation, reliability, and high-performance products used in commercial, industrial, and infrastructure projects worldwide. From power distribution and controls to automation and energy solutions, Siemens products are built to perform in demanding environments.

moving ladder to get electrical supplies

Products Built to Power Projects

The Right Products.
Ready When You Are.

At Castillo Electric Distribution, we stock what professionals need to get the job done—no guesswork, no delays. Whether you're wiring a residential home, outfitting a commercial building, or managing an industrial installation, our shelves are filled with quality products from trusted brands.

We carry a full line of electrical supplies, and if we don’t have it, we’ll source it fast.

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Featured Brands

Southwire
Dottie
AirZone
Wiha - tools that work for you
EATON
Siemens
Milwaukee
Leviton
Lithonia Lighting

Consulting Services

Project Solutions & Product Guidance

Need a Solution for a Complex Projects?

Collaborate with our electricians and product experts at Castillo Electric Distribution before your next big project.

Get Expert Help Today!

Contact us to discuss your electric supply needs and get the right solutions fast.

Project Consultation

Experts in helping plan and design electrical projects

Parts & Upgrades

Access to a full range of parts and electrical supplies

Installation Support

Seamless integration with top-quality components

Troubleshooting & Maintenance

Advice on supplies and tools for troubleshooting & maintenance

Power Up Blog

Metering & Monitoring: The Equipment Behind Every Reliable Power Setup

Whether you’re wiring a new build, upgrading a service, or setting up temporary power on a job site, metering and...

Read More

Castillo Electric Distribution Is Now an Authorized Official Siemens Distributor

Castillo Electric Distribution is excited to share an important milestone: we are now an authorized official Siemens distributor. Siemens is...

Read More

Transformers: Powering Reliable Electrical Systems

Transformers play a critical role in keeping electrical systems running safely and efficiently. Whether you’re working on a commercial build,...

Read More

Why Castillo Electric Distribution?

Castillo Electric Distribution delivers trusted, reliable electrical supplies with fast service and expert support - helping electricians get the job done right, every time at competitive prices.

Transparent pricing /
Lower cost parts

Great Customer 
Service

Knowledgeable and 
Qualified Staff

Know the Industry - 
an Electrician selling 
to Electricians

Frequently Asked Questions

Everything You Need to Know About Products at Castillo Electric Distribution

Got questions? We’ve got answers! Here’s everything you need to know about how we can help you shine with our products and services.

What types of products does Castillo Electric Distribution offer?

We provide a comprehensive range of electrical supplies, including:

  • Lighting & Controls: LED, fluorescent, high bay, floodlights, emergency lighting, and smart lighting controls.
  • Wiring & Cables: Romex, MC Cable, AC Cable, Underground Feeder, and more.
  • Tools & Testing Equipment: Wire strippers, pliers, crimpers, conduit benders, voltage testers, and multimeters.
  • Power Distribution: Transformers, switchgear, circuit breakers, and panelboards.
  • Conduits & Fittings: Rigid, EMT, PVC, flexible conduit, couplings, connectors, and supports.
  • Boxes & Enclosures: Junction boxes, weatherproof enclosures, panel enclosures, and switch boxes.
Do you supply products for both residential and commercial projects?

Yes, our inventory caters to a wide spectrum of needs, from residential installations to large-scale commercial and industrial projects. Whether you're a DIY enthusiast or a professional contractor, we have the supplies to support your work.

Are your products sourced from reputable manufacturers?

Absolutely. We source our products from top manufacturers to ensure quality and reliability, providing our customers with trusted and durable electrical solutions.

Can I get assistance in selecting the right products for my project?

Certainly! Our team, with over 20 years of experience in the electrical supplies industry, is ready to assist you in finding the right products to ensure safety, efficiency, and compliance with industry standards.

Do you offer competitive pricing?

Yes, we believe in providing our customers with the best value for their money, offering competitive prices on all our products without compromising on quality.

Where is Castillo Electric Distribution located?

Our store is located at:

Castillo Electric Distribution

2659 Junipero Avenue

Signal Hill, California 90755, United States

How can I contact you for more information or to place an order?

You can reach us by phone at (562) 228-1874. Alternatively, you can send us a message through our contact form.