Installs, replaces, maintains and repairs electrical equipment and systems in designated County buildings and facilities, including but not limited to bulbs and ballasts, circuits, receptacles, pole lights, airport runway/taxiway/apron lights, high voltage equipment, transformers, control panels, switches, photocells, remote controls, relays, contactors, etc. ENVIRONMENTAL HAZARDS: The job may risk exposure to bright/dim light, dusts and pollen, extreme heat and/or cold, wet or humid conditions, extreme noise levels, vibration, fumes and/or noxious odors, moving machinery, electrical shock, heights, toxic/caustic chemicals.