esu san diego electrical suppliesESU Inc has been in business for over 30 years. 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 knowledgable 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!

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