37 ELECTRICAL REPAIRS AND INSTALLATION OF BUILDING LIGHTING, UPS INSTALLATIONS, SPORTS AND RECREATION LIGHTING, TIME CLOCKS, SECURITY LIGHTING, WORKING LIGHTS, PARKING LOT LIGHTING, TRACK LIGHTING, FIRE ALARMS, COMPUTERS, A/C WIRING; EXCAVATION SERVICES, NAMELY, DRILLING TO DEPTHS OF 25 FEET; INSTALLATION AND RELATED ELECTRICAL REPAIRS OR ALL COMMERCIAL AND HOME ELECTRICAL SYSTEMS