Electric power distribution is the final stage of delivering electricity from the transmission system to individual consumers. Distribution substations step down high voltages to medium voltages (typically between 2 kV and 33 kV), and distribution lines carry this power to transformers near homes and businesses. These transformers lower the voltage further to the levels used for lighting, appliances, and industrial equipment.
For example, the network of poles, underground cables, and transformers in your neighborhood delivers electricity from a nearby substation to your home or business. When you flip a light switch, you are drawing electricity from this distribution network.
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