How To Verify Earthing In Electrical Sockets A Step By Guide With Lamp And Multimeter Tests
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Learn how to ensure your electrical sockets have proper earthing with this comprehensive guide. Discover the importance of earthing for safety in your household appliances. Follow step-by-step instructions for both lamp and multimeter tests.
- This video tutorial explains how to check whether your electrical socket has proper earthing or not.
- It demonstrates two methods to test earthing Lamp test and Multimeter test.
- Proper earthing is essential for safety in electrical appliances and preventing electric shocks.
In this informative video tutorial, we will explore the vital topic of ensuring proper earthing in your electrical sockets. Whether you're a homeowner or a professional electrician, understanding and testing earthing is crucial for the safety of your electrical appliances and to prevent electrical shocks. The video is available in Hindi with English subtitles for a wider audience. Let's dive into the key points
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Introduction The video begins by introducing the importance of earthing and the potential dangers associated with improper earthing in electrical circuits.
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Socket Anatomy The presenter explains the basic anatomy of an electrical socket. They point out the right-hand side hole as the PHASE, the left-hand side hole as NEUTRAL, and the upper-side big hole as EARTHING. Many people often confuse PHASE with NEUTRAL, emphasizing the importance of proper identification.
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Testing Methods The video proceeds to describe two methods for checking earthing the Lamp test and the Multimeter test.
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Lamp Test To perform the Lamp test, a bulb holder is used, and a 40, 60, or 100-watt bulb is connected. The two wires are exposed by removing their insulating coating. When the wires are connected to PHASE and NEUTRAL, the lamp glows. However, when the NEUTRAL wire is moved to EARTHING, the intensity of the glow can indicate whether the earthing is proper or not. A dim glow suggests improper earthing.
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Multimeter Test In the Multimeter test, a multimeter is set to 750 AC, marked as "~." The red wire is connected to PHASE, and the black wire is connected to NEUTRAL. The multimeter shows a reading of about 244-245. When the black wire is moved from NEUTRAL to EARTHING, and the reading remains consistent, it indicates proper earthing.
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Signs of Defective Earthing The video also highlights the fact that over time, earthing can deteriorate, leading to increased resistance and defective earthing. Proper testing helps identify these issues.
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Demonstration To make the concepts clear, the video provides demonstrations of both tests with sockets that have proper earthing and those without. It vividly shows the results on a multimeter and with a lamp.
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Importance of Earthing The video emphasizes the importance of earthing, especially in household appliances like fridges, iron presses, washing machines, laptops, and computers. Proper earthing ensures that users do not get electric shocks, promoting safety in everyday life.
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Conclusion The video concludes by thanking the viewers for watching and encourages them to like, comment, and subscribe.
In summary, this video tutorial offers a clear and comprehensive guide on how to check for proper earthing in electrical sockets, a fundamental aspect of electrical safety. Whether you are a DIY enthusiast or a professional in the field, understanding these testing methods can help prevent accidents and ensure the safe operation of electrical appliances.
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