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PROTECTIVE DEVICES - PART 1 - FUSES - DIFFERENT TYPES AND WHY WE HAVE THEM - WHY A FUSE BLOWS 

LEARN ELECTRICS
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This LearnElectrics video was originally intended to be just one short video about all the protective devices together, but I soon realised that there is so much information to get over, that one video on its own just isn’t enough.
Especially if you are new to the trade or, on an apprentice scheme, you need to go through these devices in a way that improves your understanding and skills. Expect to be asked questions and demonstrate your understanding in assessments and exams.
So, this will be part one of a short series and we will start with fuses and work our way through the different protective devices over the next few weeks.
Some frequent comments have included things like …
What is a fuse, what does it do?
What types of fuses are there and are they interchangeable?
And just what is the point of a fuse?
To view all of our videos type in LearnElectrics all one word into the RU-vid search bar.
This is video No.176 on our RU-vid channel where we have videos on a wide range of electrical topics.

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19 дек 2022

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Комментарии : 51   
@philipparker7475
@philipparker7475 Год назад
This guy is an excellent teacher.
@learnelectrics4402
@learnelectrics4402 Год назад
Thank you Philip, I appreciate that. Dave.
@no_short_circuit
@no_short_circuit Год назад
Thanks again for the video - looking forward to the rest of the series.
@learnelectrics4402
@learnelectrics4402 Год назад
Thanks. Always appreciate your support. Dave.
@kingofthetrowel1725
@kingofthetrowel1725 Год назад
Thanks Dave 🙌🏻🙌🏻 keep them coming 👍👍
@learnelectrics4402
@learnelectrics4402 Год назад
You got it, lots more to come. Dave.
@anthonyfindlay466
@anthonyfindlay466 Год назад
Another very informative video, thank you so much for sharing your knowledge.
@learnelectrics4402
@learnelectrics4402 Год назад
My pleasure, glad it was useful.
@105JEG
@105JEG Год назад
Great explanation of PD either side of fault/load and one of the first I’ve seen discussing de-energised electricity !!
@learnelectrics4402
@learnelectrics4402 Год назад
It's how I visualize electricity. There are so many explanations about what electric flow is and isn't but I stick to energised and de-energised. Thanks for watching. Dave.
@markr452
@markr452 Год назад
Keep up the great work
@learnelectrics4402
@learnelectrics4402 Год назад
Thanks, will do and thank you for your support.
@danielteyehuago1633
@danielteyehuago1633 Год назад
Wow! This is very informative, thanks for sharing it with us. It worth it and the best tutorial on the topic for me.
@learnelectrics4402
@learnelectrics4402 Год назад
Glad it was helpful
@Dibbo1979
@Dibbo1979 Год назад
Great video👍🏻
@learnelectrics4402
@learnelectrics4402 Год назад
Thank you, really appreciate your support. Enjoy Xmas. Dave.
@vasilios.v
@vasilios.v Год назад
Thank you for the video
@learnelectrics4402
@learnelectrics4402 Год назад
You're welcome and thanks for watching.
@markr452
@markr452 Год назад
Brilliant thank you
@learnelectrics4402
@learnelectrics4402 Год назад
Glad you enjoyed it and thanks for watching. Dave.
@sergiofernandez3725
@sergiofernandez3725 Год назад
This was really helpful
@learnelectrics4402
@learnelectrics4402 Год назад
Glad it was useful and thanks for watching.
@krazylad84
@krazylad84 Год назад
Thanks Dave, as again very informative video ! highly appreciate buddy
@learnelectrics4402
@learnelectrics4402 Год назад
My pleasure, thanks for watching. Hope you had a good New Year.
@brianhewitt8618
@brianhewitt8618 Год назад
Good shout 👌
@learnelectrics4402
@learnelectrics4402 Год назад
Thank you Brian, appreciated.
@AngelaPeters-fy1tc
@AngelaPeters-fy1tc Год назад
excellent explanation and this is the first time someone has referred to electricity as either energised or de energised. IS de energised electricity still got a voltage though to push it back to the transformer and become energised.
@learnelectrics4402
@learnelectrics4402 Год назад
I look at it as flow of electrons. think of a central heating system. Hot, energised, water flows into the radiator. It loses the energy as heat into the rad and then the same cooler water flows back to the boiler to be re-heated, re-energised. The potential difference or voltage on the line is pushing the electrons around the circuit. Hope this helps but the real truth is that nobody really knows how electricity works. Some say it is electrons, some say it is waves, there are lots of theories. Dave.
@lylewatts6370
@lylewatts6370 Год назад
Another great video and it is important to know what type and size of fuse that is used. As electrics seem to be going more into electronics fuses are very commonly found. As a maintenance electrician in a industrial plant I had fuses from .100 ma to 600 amp for lower voltages ( 5 volts to 600 volts) and 1 amp to 100 amp high voltage (14,400 to 24,000 volts) fuses as well. Thanks for the video.
@learnelectrics4402
@learnelectrics4402 Год назад
Thanks for the info Lyle. Yes, we had dozens of fuses like you. I started to add up the value of the stock on the shelves once. I gave up, the money value started to frighten me. Thanks for watching. Dave.
@anthonymwangi1661
@anthonymwangi1661 Год назад
Hello thanks alot for your informative videos. I have really learnt alot from you. There is a video you talked about shared neutral. My question is in most homes here in kenya you find that all neutral are from consumer unit neutral bar. Can we categorise neutral bar in consumer unit as part of shared neutral if not why. Kenya electricity we use 240V single phase and 415V three phase just like UK. 5hz frequency
@learnelectrics4402
@learnelectrics4402 Год назад
Anthony, if the neutrals for each circuit go back to the neutral bar individually, that is good. A shared neutral is when two different circuits use the same neutral conductor to go back to the neutral bar. The video you want is ... SHARED NEUTRALS, click on the link below ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-gr6Z_bBiy5g.html
@stalinsubbiah3238
@stalinsubbiah3238 7 месяцев назад
What are the protective devices of Moulded Case Circuit Breaker
@learnelectrics4402
@learnelectrics4402 7 месяцев назад
Thanks for watching, appreciated.
@stalinsubbiah3238
@stalinsubbiah3238 7 месяцев назад
What are the protective devices of an single phase induction motor
@learnelectrics4402
@learnelectrics4402 7 месяцев назад
Thanks for watching, appreciated.
@stalinsubbiah3238
@stalinsubbiah3238 7 месяцев назад
What are the protective devices of Vaccum Circuit Breaker
@learnelectrics4402
@learnelectrics4402 7 месяцев назад
Thanks for watching, appreciated.
@stalinsubbiah3238
@stalinsubbiah3238 7 месяцев назад
What are the protective devices of air circuit breaker
@learnelectrics4402
@learnelectrics4402 7 месяцев назад
Thanks for watching, appreciated.
@stalinsubbiah3238
@stalinsubbiah3238 7 месяцев назад
What are the protective devices of a pump
@learnelectrics4402
@learnelectrics4402 7 месяцев назад
Thanks for watching, appreciated.
@stalinsubbiah3238
@stalinsubbiah3238 7 месяцев назад
What are the protective devices of diesel generator
@learnelectrics4402
@learnelectrics4402 7 месяцев назад
Thanks for watching, appreciated.
@stalinsubbiah3238
@stalinsubbiah3238 7 месяцев назад
What are the protective devices of transformer
@learnelectrics4402
@learnelectrics4402 7 месяцев назад
Thanks for watching, appreciated.
@30mAkills
@30mAkills Год назад
Fuse is a wantedly created weak link for safety. How are you?
@learnelectrics4402
@learnelectrics4402 Год назад
That is an excellent way of putting it. Have yourself an excellent Xmas and thanks for the support. Dave.
@JD-ts1lz
@JD-ts1lz 9 дней назад
Most confusing video I’ve seen in my life mate
@stalinsubbiah3238
@stalinsubbiah3238 7 месяцев назад
What are the protective devices of an three phase induction motor
@learnelectrics4402
@learnelectrics4402 7 месяцев назад
Thanks for watching, appreciated.
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