What Is Household Ground?

What Is Household Ground?

Image source: RimstarOrg Youtube channel

RimstarOrg published an interesting video on his Youtube channel to demonstrate why In north America you can find 3 holes in the electricity socket; which are hot, neutral and ground.

Image source: RimstarOrg Youtube channel
Image source: RimstarOrg Youtube channel

The hot wire goes to a breaker-panel and then to electricity grid and finally to a transformer somewhere. While the neutral line is connected with a bar in the breaker-panel and goes directly to the electricity grid and then to the transformer. Mostly, these wires’ colors are respectively black, white.

Breaker-panel — Image source: RimstarOrg Youtube channel
Breaker-panel — Image source: RimstarOrg Youtube channel

To understand why having a ground in household appliances is important, the video explained a use-case; a microwave-oven with 3 wires electricity plug where the electricity flows between the hot and the neutral, while the ground is connected to the external case. However, if the hot wire isolation gets damaged and attached to the case, the grounded case will make a low resistance path for the electricity. This will protect you from an electric shock because the electricity in this low resistance path will be very high forcing the breaker switches off.

Image source: RimstarOrg Youtube channel
Image source: RimstarOrg Youtube channel

Having a ground in the electrical system can play a role in the places where lightning can occur by forming a discharging path for charged cases in your house.
To understand more about household ground and other different meanings and applications of earth and ground watch the complete video below:

 

Source: Adafruit Blog

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Embedded Hardware Engineer interested in open hardware and was born in the same year as Linux. Yahya is the editor-in-chief of Atadiat and believes in the importance of sharing free, practical, spam-free and high quality written content with others. His experience with Embedded Systems includes developing firmware with bare-metal C and Arduino, designing PCB&schematic and content creation.

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