In Stock · Phoenix, AZ
Circuit Breakers — Phoenix, AZ
Black Diamond Supply stocks a broad selection of circuit breakers for residential and commercial applications. Walk in, pick off the shelf, and get back to work.
Buying Guide
Choosing the right circuit breaker depends on your panel brand, amperage requirements, and application type. We stock single-pole breakers (15A–30A) for standard branch circuits, double-pole breakers (30A–200A) for large appliances and subpanels, GFCI breakers for wet locations, AFCI breakers for bedroom circuits, and tandem/duplex breakers for space-constrained panels. Our staff can help you match the right breaker to your panel brand and application.
What We Stock
Single-pole breakers (15A, 20A, 30A)
Double-pole breakers (30A–200A)
GFCI circuit breakers
AFCI circuit breakers
Tandem / duplex breakers
Main breakers
Residential & commercial grades
Multiple panel brands supported
Why Buy from Black Diamond Supply?
Walk the floor — no counter wait
More depth than big-box stores
Expert staff who know electrical
All major brands in stock
Competitive pricing
Pros & DIYers welcome
Related Categories
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