9 AC electrical equipment, namely, breaker distribution cabinets, outlet panels, power distribution panels, power distribution units, UPS maintenance bypass panels, UPS maintenance bypass cabinets, UPS maintenance bypass switches, and remote monitoring; DC electrical equipment, namely, battery chargers, power distribution units, power distribution panels, power integrated systems comprised of rectifiers, circuit breakers, fuses, controllers, batteries, battery disconnects and battery monitors, outdoor power systems comprised of rectifiers, circuit breakers, fuses, controllers, batteries, battery disconnects, battery monitors and network interfaces, telecom power and rectifiers; batteries; battery cabinets; battery chargers; battery disconnect switches; storage racks for batteries; landing cabinets for paralleling multiple power systems; battery monitors; electric remote monitors for monitoring UPS systems, DC power systems, DC distribution panels, AC distribution systems