ESU Inc has been in business for 40 years now. We have a large inventory of new, surplus and recycled electrical supplies both for the commercial and residential markets. We specialize in the obsolete and hard to find items. Our staff is very knowledgeable and our mission is to ensure that our customers expectations are exceeded. We sell a large and wide variety of electrical supplies, including transformers, circuit breakers, fuses, safety switches, panelboard switches and much much more. We are located at 6767 Nancy Ridge Drive San Diego, CA 92121. Come by today to see what we can do for you!

At Electrical Supplies Unlimited (ESU Inc), we are your trusted partner in the electrical supply industry for over 40 years! As a seasoned player in the field, ESU takes pride in its extensive inventory, catering to both commercial and residential markets. Our diverse product range includes essential items such as Power Transformers, Circuit Breakers, Fuses, Panelboards, Switches, and much more. At ESU, we stand out as a premier Electrical Distributor and Electrical Wholesaler, offering a comprehensive selection of new and used electrical equipment. With a commitment to excellence, we take pride in being fully stocked, ensuring our customers have access to the items they need promptly. What sets us apart is our expertise in sourcing and providing even the most elusive electrical components, making ESU your go-to destination for all your electrical supply needs. Trust ESU Inc for quality, reliability, and a legacy of four decades in the industry!