AC variable frequency drives used to control electric motors for industrial, commercial, and building equipment, manufacturing processes, HVAC systems, and pumping applications

circuit breakers; load centers for circuit breakers; circuit breaker panel boards; low and medium voltage switchgear; circuit interrupters, namely, circuit breakers, circuit cut-out switches; electric switches; structured wiring systems comprised of electric cables, electric outlets, and electric wires; voltage surge protectors; surge suppressors; electric control panels; electronic sensors for sensing electric current, temperature, and moisture; electric control devices for heating and energy management; electrical distribution boxes for regulating amounts of electricity; computer software for monitoring and controlling electrical power; uninterruptible power supply devices; electric power suppression units; computer software for servicing and maintaining uninterruptible power supply devices; electrical connectors; electric soft starters for motors; meters for measuring voltage, current, electric quality, and frequency; transformers; electric controls for lighting; automatic transfer switches used with electric power generators; software for detecting power quality problems; meters for measuring power consumption