
CHAPTER 5
Common Threads
Electricity is utilized for power, lighting, and control in manufacturing, equipment and
facilities. It operates motors, appliances, pumps and compressors, refrigeration equipment,
tools, cranes, lighting, HVAC equipment, welding machines, computers, battery chargers, UPS
systems, and other equipment. The panelboards, disconnect switches, circuit breakers and
fuses, and other power distribution equipment used to feed electrical equipment, could be
utilized in any plant, commercial building, or industrial facility including petroleum,
chemical, manufacturing, construction, agriculture, utilities, ship building, etc. Electrical ...