Maurice Electrical Supply is an Electrical Supply Store that supplies electrical elements and consults on solutions for a variety of residential, commercial, industrial, institutional as well as utility projects. Our Joppa, MD location features Harford County's largest electrical inventory in stock for will certainly call pick-up or delivery. In the event that we do not have what you need in our large inventory, it can be below the next day by 7AM from our Central Distribution Center located in Landover, MD.