The installation in all types of constructions and civil engineering structures of electrical systems: devices and electrical wiring; cabling for telecommunications; network cabling for computing and cable television, including fiber optics; satellite dishes for satellites; lighting systems; fire alarms; burglar alarm systems; street lighting and electrical signals; lighting of airport runways. Connection of electrical equipment and appliances, including baseboard for heating. This class excludes: construction of power transmission and communication lines, or direct or remote monitoring of electronic security alarm systems, such as: fire and theft alarms, including their maintenance.