9 Controllers, namely, variable air volume (VAV) system controllers, programmable logic controllers (PLCs), electrical controllers, power controllers, temperature controllers for display cases and refrigerated cabinets; electronic controllers for lighting, HVAC units, compressors, condensers, display fixtures, refrigerant leak detection systems, remote monitoring and alarming systems, current transformers and refrigerated display cases; electric control panels for lighting, HVAC units, compressors, condensers, display fixtures, refrigerant leak detection systems, remote monitoring and alarming systems, current transformers and refrigerated display cases; electronic controllers for refrigerated display cases; electric control panels for refrigerated display cases; modem boards; I/O boards, namely, computer interface boards, data communication hardware, microcontrollers, circuit boards; computer terminals; software for monitoring controllers and controls, electrical distribution systems, namely, power distribution panels; power monitoring equipment, namely, computers, computer hardware, electric meters, power controllers