Maurice Electrical Supply is an Electrical Supply Store that stocks electrical parts as well as consults on solutions for a wide range of residential, commercial, industrial, institutional and utility projects. Our Joppa, MD location features Harford County's largest electrical inventory in supply for will certainly call pickup or shipment. On the occasion that we do not have what you need in our large inventory, it can be right here the next day by 7AM from our Central Distribution Center situated in Landover, MD.