AVISTA

installation of protection systems in the field of electrically powered equipment, including appliances, computer hardware and related software systems to prevent damage and disturbance, namely, installation of surge protectors and surge protection maintenance systems; maintenance and repair of surge protection systems; installation and maintenance of lighting systems for others; installation of energy-conservation systems for use in controlling electrical consumption, comprising commercial, industrial and recreational lighting retrofit and relamping products; installation of energy-efficient products and technologies; and installation and maintenance of electronic security systems