What is the primary purpose of electrical panels?

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The primary purpose of electrical panels is to distribute electrical power to different circuits throughout a building or facility. This distribution is essential because it allows electricity to be efficiently routed from a single source, such as a main electrical supply, to various circuits that power lights, appliances, and equipment. The panel functions as a central hub where the incoming electrical current is separated into multiple outgoing circuits, each protected by a circuit breaker or fuse.

While measuring electric consumption, protecting circuits from overload, and converting AC to DC power are important electrical functions, they are not the primary purpose of the electrical panel. The measurement of electric consumption is usually done by dedicated meters. Circuit protection is indeed a function of the panel since it houses circuit breakers or fuses, but its main role is to manage the distribution of electricity. Lastly, converting AC to DC power typically involves specific equipment like rectifiers, rather than the function of an electrical panel. Therefore, the distribution of electrical power is the most fundamental role served by electrical panels.

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