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