construction of commercial, residential, institutional, governmental, industrial, and retail buildings and the installation in these types of buildings of physical cable plants and infrastructures for telecommunications, consisting of wires, cables and/or optical fibers, ancillary risers, conduits, cabinets, punch-down blocks, terminations, boxes, receptacles, and hardware consisting of routers, bridges, and switches, and computer hardware and software

physical cable plants and infrastructures for telecommunications, consisting of wires, cables and/or optical fibers, ancillary risers, conduits, punch-down blocks, terminations, boxes, receptacles, and hardware consisting of routers, bridges, and switches; and computer hardware and computer software for the purpose of monitoring, running and controlling all of the following - environmental systems, including heating, ventilation and air conditioning systems in buildings, surveillance systems ...