37 Installation, maintenance and repair of electrical, lighting, outdoor utility, telephone, computer network, video, communication, Internet, vaping detection and security systems; installation, maintenance, and repair of electrical wiring and electrical systems for control panels, fire alarms, generators, lighting, marinas, and water control; installation of video cameras, microphones, electronic displays and equipment; installation and maintenance of batteries; installation, maintenance and repair of wind turbines; installation, maintenance and repair of lighting apparatus, site lighting, and street lighting; installation of sports field netting; substation cleaning and maintenance; excavation service; installation of wind turbine systems, solar panels, electric vehicle charging stations, and evaporator systems