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In the construction industry, an “electrical panel,” also known as a “distribution board” or “breaker panel,” serves as the central hub for electrical power distribution within a building or structure. It houses circuit breakers or fuses that regulate the flow of electricity to various circuits, ensuring safety and efficient operation of the electrical system.

Key Components and Functions:

1. Circuit Breakers/Fuses: These protective devices are installed within the electrical panel to interrupt the flow of electricity in case of overload, short circuit, or other electrical faults. Circuit breakers can be reset after tripping, while fuses need to be replaced.

2. Main Breaker/Main Switch: This is the primary disconnect switch that controls the flow of electricity from the utility service into the building. It allows the entire electrical system to be shut off in case of emergencies or maintenance.

3. Bus Bars: These metal bars distribute electrical power from the main breaker to individual circuit breakers or fuses. They provide a common connection point for the incoming and outgoing electrical currents.

4. Neutral Bar and Ground Bar: The neutral bar connects the neutral wires from the circuits to the electrical panel, while the ground bar connects the grounding conductors for safety purposes, such as diverting fault currents away from the electrical system.

5. Labels and Markings: Electrical panels are labeled to indicate the circuits they control, helping electricians and building occupants identify specific areas or equipment powered by each circuit.

Installation and Maintenance:

Proper installation and maintenance of electrical panels are crucial for the safe and reliable operation of the electrical system. This includes:
– Ensuring compliance with local building codes and regulations.
– Proper sizing of the panel to accommodate the electrical load of the building.
– Regular inspection for signs of wear, corrosion, or overheating.
– Prompt replacement of faulty breakers, damaged wiring, or other components to prevent electrical hazards.

Safety Considerations:

Electrical panels should only be accessed and serviced by qualified electricians to prevent the risk of electric shock or fire. It’s essential to follow proper safety procedures, such as de-energizing the panel before performing any work and using appropriate personal protective equipment.

Example Sentence:
During the renovation project, the electrician installed a new electrical panel to accommodate the increased power demand of the upgraded kitchen appliances.

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