9.5. Electrical Power and Lighting Systems
Rising energy costs and government regulations are some of the reasons why people are rethinking their energy consumption. Growing awareness of climate change and dwindling resources are other factors why energy efficiency is becoming increasingly important in everyday life. Fortunately, the production and transmission of electricity is relatively efficient and inexpensive, although unlike other forms of energy, electricity is not easily stored and therefore must typically be used as it is being produced. Electrical systems can provide a facility with accessible energy for heating, cooling, lighting, and equipment (telecommunication devices, personal computers, networks, copiers, printers, etc.) and appliance ...