Profile: MacLean Power Systems is a manufacturer of electric utility and telecommunication products. We are an ISO 9001:2000 certified manufacturer. Our products include bolted connectors, surge arresters, anchors, pole line hardware, ferrous and aluminum cast hardware, hardware assemblies, fiberglass products, grounding equipment & accessories. Our ball studs are made with electrolytic tin-plated copper materials. Our ferrules are filled with inhibitive grease to prevent humidity infiltration.