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Choosing Between Overhead and Underground Power

If you’re seeking a straightforward answer to the question of whether overhead powerlines or underground power is better, you won’t find it here. Over 93% of Australian households are supplied with overhead service cables, but recent government initiatives have led to a gradual increase in underground electrical systems.

The decision between the two is not a simple one. Let’s delve into both options to understand the reasons behind the choice between overhead powerline service cables and underground electrical systems.

Understanding Overhead Powerline Service Cables:

An overhead service cable consists of conductors that facilitate the flow of electricity. Suspended by poles, these cables can carry electrical energy over long distances. You’ve probably seen them in your front yard, running from the street’s network pole to your property or a private power pole.

Understanding Underground Consumer Mains:

Similarly, an underground consumer main draws power from the street’s network, but the difference lies in the cables being buried underground and connected to your property’s meter box. In some areas, especially new subdivisions, new suburbs, and parts of Sydney’s CBD, underground electrical systems are mandatory. These systems can provide either single or three-phase power supply.

Overhead vs. Underground Power:

So, why do 93% of Australian households opt for the conspicuous overhead service cables? Simply put, cost plays a significant role. Overhead service cables tend to have a longer lifespan compared to underground systems, offering better value for money. Any issues with overhead cables are also easier and quicker to identify and address since they are visible.

However, overhead cables are more susceptible to problems due to their exposure. Natural elements, such as extreme weather, falling trees, and lightning, can disrupt overhead cables and lead to power outages. Wildlife and accidents, like car collisions, can also cause overhead cables to fall.

At Local Level 2 Electrician, we are licensed to supply and install single and three-phase overhead service cables for residential and commercial properties. If this is the right solution for you, feel free to contact us for a quote.

In the event of issues with overhead service cables, such as those caused by extreme weather, falling trees, or accidents, please call us immediately at 0485 900 878. We have 24-hour emergency electricians ready to respond.

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