Upon these structural members, weather-tight load centers can be installed, with service conduit then extending outward to the various roof mounted equipment. MAPA recommends using a Strut Suppor or the MAPA Bridge Assemblies to support these conduits. - See more at: http://mapaproducts.com/rooftop/pipe-supports/structurally-attached-supports/mps-structural-stainless-steel-pedestals/#sthash.HKMKFt71.dpuf