The Home Depot and Lowe’s both offer Square D electrical products for sale on their respective websites, as of 2015. The Home Depot offers breaker boxes, circuit breakers, safety switches and whole-house surge protectors from Square D. Lowe’s offers a similar, but larger, selection of products.
Lowe’s offers several circuit breaker boxes from Square D along with main breaker boxes, load centers and single-pole circuit breakers. Lowe’s also sells Square D load center ground bar kits and center hubs, among other products.
Schneider Electric, the parent company for Square D products, offers a Find a Distributor tool on its website, Schneider-Electric.us. The tool allows visitors to find local stores that sell Square D products.