Lighting apparatus installation; Lighting apparatus repair; Advisory services relating to the installation of lighting apparatus; Electrical repairs, maintenance, and installation of electrical wiring, outlets, light fixtures, and electrical panels; Installation and maintenance of solar thermal installations; Installation of solar energy systems and alternative energy products for residential and commercial use; Providing on-line information to assist customers in selecting appropriate foundations for constructing and supporting street lighting structures; Repair or maintenance of electric lighting apparatus; Technical consultation in the field of installation of lighting apparatus, lighting instruments and lighting systems