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BSEE
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Every circuits needs to be grounded in order for it to work, but when do we need to take into consideration on earthing it, and what is the difference?
I think you are using the wrong term here. A circuit will work perfectly as long as there is a complete path for the current. This is often achieved with just two wires. Which one would you call the 'ground' then? Many systems (vehicles, for instance) use the body as a return path and this can save money for the starter circuit, in particular, as you only need one long thick cable, as the battery negative is usually strapped to the body by a short, thick lead. This is a constant source of problems in old bangers where RUST creeps in and adds nasty series resistance into the circuit so the starter won't turn.BSEE said:Every circuits needs to be grounded in order for it to work, but when do we need to take into consideration on earthing it, and what is the difference?
Grounding and earthing are often used interchangeably, but they have different meanings and applications. Grounding refers to the process of connecting an electrical circuit to the ground in order to prevent electric shock and protect electrical equipment. Earthing, on the other hand, refers to the process of connecting to the Earth's surface to discharge excess electrical energy and maintain a neutral electrical potential.
Grounding is important because it helps prevent electrical accidents and protects electrical equipment. By connecting an electrical circuit to the ground, any excess electrical current will flow safely into the ground instead of causing harm to people or damaging equipment. Grounding also helps stabilize voltage levels and reduce electrical noise or interference.
While grounding is primarily concerned with electrical safety and equipment protection, earthing is focused on maintaining a neutral electrical potential. Earthing involves making a direct connection to the Earth's surface, usually through grounding rods, in order to discharge excess electrical energy and maintain a balanced electrical state. This is important for both safety and the proper functioning of electrical systems.
Grounding is necessary in all electrical systems to prevent electric shock and protect equipment. It is required by building codes and electrical safety standards. Earthing is necessary in certain situations where there is a risk of static electricity buildup or lightning strikes, such as in buildings with flammable materials or in outdoor electrical systems.
No, grounding and earthing cannot be used interchangeably. While they both involve connecting to the ground, they have different purposes and applications. Using them interchangeably can lead to safety hazards and damage to electrical systems. It is important to understand the difference between grounding and earthing and use them appropriately in electrical systems.