Tips and Ground Wires

Using electricity as a source of energy is undoubtedly one of the most revolutionary achievements in human history. While improperly used energy can be dangerous, Residential Electrician Sydney has included various fail-safes into the domestic electrical system to protect your home and property from potentially lethal electrical shocks and fires. A grounding wire is the most prevalent of these safety precautions, and it has been required for domestic electrical standards since the 1960s. 

What Exactly Is A Ground Wire? 

At its heart, electricity is predictable; positively charged electrical energy is always seeking the shortest path to the negatively charged earth. Electrical pulses in a residential grid follow the fastest course to the Earth as well, but electrical engineers have long found out how to control that journey to harness the electricity and therefore power our homes. However, electrical grids frequently encounter electrical surges and arcs, which cause excess power to seek a new path to the earth. This is where a ground wire comes in; they are meant to provide a safe and effective conduit for excess electricity to the earth. 

What Kinds of Ground Wires Are There? 

Because the purpose of a ground wire is to securely transfer excess energy to the ground, they are almost always made of highly conductive copper wire that is wrapped in green and yellow plastic coating for easy identification. The colour of the ground wire, green with a yellow stripe, is almost universally utilised to distinguish it from the other electrical lines. A few elements of ground wires can vary depending on the needs of the electrical grid they are grounding. Here are some examples of ground wires. 

The most common type of ground wire found in residential dwellings is bare copper, which is uninsulated and thus the most effective conductor. 

Green 6 THHN- This ground wire is usually utilised in outdoor electrical outlets and is weatherproof. 

Gauged Copper- Gauged copper is available in a range of sizes, allowing greater surges to flow readily through the ground wire if necessary. A valuable ground wire size chart that indicates which gauged copper size is good for different electrical grid sizes is available HERE. 

How to Reset a Circuit Breaker 

The circuit breaker in an electrical grid is intended to protect your home or property. It not only allows you to turn off a full electrical circuit or a piece of one, but it also serves as a fail-safe for your electrical grid by shutting down, or tripping, in the event of a system overload or electrical surge. This helps to avoid electrical fires and property damage. The following are some reasons why your home's circuit breakers may trip: 

Overloads- An electrical overload occurs when the energy demand exceeds the capacity of a circuit, such as when too many electrical appliances are plugged into a single outlet. 

Short circuits occur when a charged or live wire comes into contact with a neutral wire, which should not happen. This generates harmful surges in an electrical system, which is why the circuit breaker is designed to terminate the circuit. 

Ground fault surges- similar to a short circuit, this occurs when a live wire makes contact with a ground wire, causing a surge and a trip. 

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