Understanding the Different Types of Electrical Distribution Boards
26 March 2021
One part of the electricity supply system that is utilised in properties is the electrical distribution board. An electrical distribution board is integral to the said system since it can evenly distribute the electrical or power supply to different parts of a building or structure, most especially to the breakers and circuits.
The inclusion of an electrical distribution board in an electrical supply system is significant since it maintains the proper distribution of power throughout the property. As long as it is configured correctly, it can ensure that every part of a property is supplied with the right voltage of power. The presence of the electrical distribution board can likewise minimise or even prevent power overload and shortage.
To date, different types of electrical distribution boards can be used in properties. Some of these types are the following:
Main Circuit Breaker
One of the most used electrical distribution boards that are used in properties is the main breaker. It is designed to cut off and interrupt a larger amperage load effectively so that the circuits will not overheat. This specific electrical distribution board is often attached to 2 main wires along each circuit, with each wire carrying at least 120 volts of electricity. Once the main breaker is tripped, it will disrupt the electricity supply so that the property will not receive any power anymore.
Main Lug Units
Another type of electrical distribution board that is often used in properties is the main lug units. Main lug units often function whenever there is a main breaker upstream present in the electrical supply system. The lug units are run by line wires, where the main lug panel is then used as a subpanel once it is connected to a breaker. During emergencies, the meter can suddenly be disconnected, preventing the power supply from entering the property.
One other type of electrical distribution board that can be utilised in properties is the subpanel. Subpanels are small service panels that can distribute power to certain parts of a property. They often work as a satellite circuit break panel with the inclusion of their own breakers. These small service panels obtain their power from the main panel and can be placed in a more convenient location. While these subpanels can control the current distribution of an area or property, they do not maximise disconnects.
Fuse boxes are likewise known to be part of electrical distribution boards. They are primarily comprised of the main switch, circuit breakers, and residual current device, which can all help in maintaining the safety of properties. These devices are often enclosed by a case and are installed on an exterior wall or garage. If ever a fault or overload current will flow right through the fuse wire, the fuse will become hot and subsequently melt. The melted fuse will then break the circuit to effectively disconnect the power.
For more information about these electrical distribution boards, just give us a call at Light-On Electrical. We are an electrical contractor and family-owned business with over 15 years of experience serving the Melbourne Metropolitan area. We deliver quality work on time and within your budget, matched with excellent customer service.
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