We as consumers take electrical power for granite at times. We just assume that it is always going to be there, ready for us to use at all times. The convenience of outlets to plug electrical devices into sometimes make us forget all of the safety devices connected to the circuit long before it gets to the outlet or switching the home. Electrical power flows from the utility company's power lines through an electric meter that is used by the utility company to track the usage of power used by each home.
Connected to the meter is an electrical disconnect that provides a safe means of disconnecting from the utility company. This is just one of the many disconnects that are used to disconnect power from deices in the home. These devices like fuses and circuit breakers help control the amount of amperage allowed on each circuit, thus protecting the user, you. Let's take a closer look at how electricity is distributed in the home.
...Source: http://electrical.about.com/b/2013/07/26/how-your-electricity-flows.htm
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