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Monday 7am - 4pm Tuesday 7am - 4pm Wednesday 7am - 4pm Thursday 7am - 4pm Friday 7am - 4pm

Black Diamond Supply

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Phoenix, AZ
Black Diamond Supply

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Electrical Supply Store

Two Valley Locations:
2711 W. Indian School Rd
922 .19th Ave

BREAKERS, FITTINGS, CONDUIT, WIRE, FUSES, PANELS

09/29/2026

⚡ 50 AMP CONNECTORS, PLUGS & RECEPTACLES — IN STOCK!

Need 50A electrical devices? We’ve got you covered at Black Diamond Supply in Phoenix, AZ.

✔️ 50A Plugs
✔️ 50A Receptacles
✔️ 50A Connectors
✔️ Ready for pickup — IN STOCK!

Stop searching and get the material you need from a local electrical supplier you can count on.

Black Diamond Supply — Phoenix, AZ

09/07/2026

🇺🇸 Happy Labor Day from Black Diamond Supply! 🇺🇸

Today we’re saying THANK YOU to the hardworking electricians, contractors, distributors, builders, and tradespeople who keep Arizona moving. 🔧⚡

From the jobsite to the supply house, we appreciate everything you do to power projects, build communities, and keep Phoenix working.

🏜️ Proud to serve the Phoenix area with the electrical supplies, fittings, wire, and more you need to get the job done.

Work hard. Build strong. Enjoy the holiday.

08/31/2026

Mersen Fuses — In Stock at Black Diamond Supply

Black Diamond Supply is proud to be an authorized distributor of Mersen fuse products. We stock a wide selection of Mersen/Ferraz Shawmut fuses, giving contractors, electricians, OEMs, and industrial customers a reliable local source when they need quality overcurrent protection.

07/07/2026

Powering Arizona with ABB Quality.

Black Diamond Supply is proud to be your Authorized ABB Distributor, stocking the products you need to keep your projects moving.

✔️ Circuit Breakers
✔️ Panels
✔️ Safety Switches
✔️ Trusted Brands. Competitive Pricing. Local Service.

With 3 Valley locations across Phoenix, we’re ready to help you find the right solution—whether you’re picking up one item or supplying your next major project.

📍 27th Ave & Indian School
📍 922 S. 19th Avenue, Phoenix, AZ 85009
📍 Northern Ave & 12th St

Visit us online at www.blackdiamondsupply.com or stop by one of our Phoenix locations today.

07/04/2026

🇺🇸 Happy 4th of July from Black Diamond Supply! 🇺🇸

Today we proudly celebrate 250 years of American independence—honoring the hard work, determination, and freedom that continue to power our country.

As we celebrate this historic milestone, we’re grateful for our customers, suppliers, employees, and partners who help build America every day.

Wishing you and your family a safe, happy, and memorable Independence Day filled with friends, family, and fireworks. 🎆

Happy 4th of July! ❤️🤍💙

07/02/2026

They climbed to the top of the Empire State Building to get your attention…

We’re just trying to tell you we’ve got electrical supplies in stock. 😂

Skip the climb.
Stop by Black Diamond Supply for everything your next job needs.

⚡ Quality products.
⚡ Competitive prices.
⚡ Friendly service.

06/30/2026

⚡️ Power up your next EV installation with Black Diamond Supply! ⚡️

We now stock NEMA 14-50R Receptacles—perfect for EV chargers, RV hookups, and other 50A power applications. Built for performance, durability, and ready when you need them.

✅ 125/250V • 50 Amp
✅ Ideal for EV charging installations
✅ Quality products at competitive prices
✅ In stock at all Black Diamond Supply locations

Whether you’re a contractor, electrician, or tackling your next project, we’ve got the inventory to keep you moving.

📍 Visit one of our 3 Valley locations or contact us today.
🌐 blackdiamondsupply.com

06/16/2026

🚀 Missed that SpaceX IPO?

Yeah… us too.

Until then, rent is due, trucks need fuel, and electrical contractors still need material. 😅

So while some people are dreaming about rockets and lambos, we’re stocking circuit breakers, conduit, fittings, wire, and all the stuff that actually keeps the lights on.

📈 Missed the moon?
⚡ Come back down to earth.

Black Diamond Supply
Because somebody still has to install the electrical.

05/20/2026

“This may not be Calvin & Hobbes… but it’s definitely Contractors & Couplings. 😂⚡️

We’ve all been there:
Walk into a supply house needing ONE thing…
Leave feeling like you interrupted nap time. 😴

At BD Supply, we actually help people find parts without sending them on a scavenger hunt through aisle 7, 9, and the shadow realm. 👀

05/19/2026

⚡️WARNING: Side effects of stopping by Black Diamond Supply may include:
• Leaving with way more than you came for
• Randomly yelling “ONLY $9.99?!” in the parking lot
• Becoming the unofficial GFCI hookup for every electrician you know 😎

GFCI’s are stocked, loaded, and flying off the shelves for just $9.99 each. Don’t be the guy borrowing outlets from the jobsite trailer 👀⚡️

📍12th St & Northern
📍19th Ave & Grant
📍27th Ave & Indian School

Real people. Real products. Real deals. 🔥

Address

922 South 19th Avenue
Phoenix, AZ
85009

Opening Hours

Monday	7am - 4pm
Tuesday	7am - 4pm
Wednesday	7am - 4pm
Thursday	7am - 4pm
Friday	7am - 4pm

Website

http://www.blackdiamondsupply.com/

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