In Stock · Phoenix, AZ
Electrical Boxes & Enclosures — Phoenix, AZ
We stock a full range of electrical boxes and enclosures — from standard device boxes to NEMA-rated industrial enclosures — for residential and commercial applications.
Buying Guide
Electrical box selection depends on the application, mounting method, and environment. For device boxes (switches and outlets), we carry single-gang and multi-gang options in plastic and metal. For junction boxes, we stock 4-inch square, octagon, and handy boxes. For outdoor and wet locations, we carry weatherproof boxes and covers. For industrial applications, we stock NEMA 1, 3R, 4, and 4X enclosures in steel and fiberglass.
What We Stock
Single & multi-gang device boxes
4" square & octagon boxes
Old-work & new-work boxes
Weatherproof boxes & covers
Junction boxes (plastic & metal)
NEMA 1, 3R, 4, 4X enclosures
Pull boxes & wireways
Covers & mud rings
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
electrical boxes Phoenix AZjunction boxes PhoenixNEMA enclosures Phoenixweatherproof boxes Phoenixelectrical enclosures supplier Phoenix