Overcurrent, Overload, Short Circuit, and Ground Fault
2022 ж. 24 Ақп.
790 046 Рет қаралды
Explanation of definitions and concepts for the various types of "Overcurrents" ("Overload", "Short Circuit", and "Ground Fault").
Explanation of definitions and concepts for the various types of "Overcurrents" ("Overload", "Short Circuit", and "Ground Fault").
If only my professor who I paid lots of money to knew how to teach this good. This school system is wrecked.
Exactly in these days everyone wants to teach with technical difficult terms, I don't mind but not everyone understands that way. I remember when I was a kid my teacher expected me to read fast like everyone else, if I didn't was would get yelled at, maybe that's why now as an adult if someone is trying to teach me something I wanna beat their face when I see they get frustrated trying to teach me, in my head iam like give me time iam trying to understand and your standing there getting mad at me because I don't understand fast. 🤨
Well no doubt this professor also did great job !!! Bit remember a thing you studying second time will look easier to you as before because you Already read it
Thats because your teacher is not paid to teach exclusively, but to do research which brings in money for the university. Teaching is secondary for most professors, and endowments pay most of tuition, not student fees.
You have a gift for simplifying complex information and communicating it in a humble way. Keep up the great work 👍.
well said lol. good teaching and you can tell he wants to help and has the attitude for it.
As many of the viewers who have commented, I am also an engineer and have been at work for over 50 years and still working. Dave is a unique individual. He can present education clearly. I enjoy his videos as a learning and refreshing program.
This guy is such a WONDERFUL Teacher !!! Love You Dave .
The importance for ppl Like you who oversimplify everything is very much needed . thank u
State of Michigan journeyman electrician here: thank you for helping me understand that a little more. 🙏
The clarity in this man's explanation is second to none
Thank you. I needed that refresher. I plan on going back to school for electronics. I haven't practiced electronics in over 20 years.
Sir, I appreciate the time you put into these videos.You are Definitely one of the best out here.
Thank you for this video! I wish I had this from back when I was studying these concepts in Uni. Well done sir! 👏🏽
I don’t know why, but watching this video gave me a eureka moment. The reason an inductor can overload when there is LESS voltage is because the inductive reactance is less causing less impedance! And lower impedance means MORE current!!!! Holy shit! And that’s why dimmers aren’t suppose to be used in fans! Because they increase the resistance of the circuit which causes less current and the less current results in LOWER impedance and the lower impedance causes more current! Holy shit I am so happy it clicked!!!! I don’t know why which this specific video man but u are awesome! Im like level 4 nec but this always puzzled me and none of my instructors could make this link for me! Don’t stop what ur doing!
Great teacher and a great level of understanding , thank you for these
I would love to sit under your mentorship. Was watching your class on temperature consideration for over-current protection and it brought it all together. Thank you Dave.
I came across your presentations by chance while boning up for an upcoming interview. It takes me back 30 years to when I was in tech college where we had two brilliant lecturers, Elwyn John - electronics & Mike something the electrical guy. Like you they both had the same clarity of presentation, free of waffle, not bogged down in too much math where it is not neccessary, concise & engaging. Well done!
Thank you so much. You certainly helped a lay person such as I who is not of the electrical profession to understand the nature of overload and faults that result in overcurrent. You mark out the differences so very clearly.
You're a sure master of your arts. Feed me more and more. Thanks for the awesome presentation.
Dave, I recently discovered your videos. Outstanding job explaining and very helpful illustrations. Thank you, I hope you continue to post more content.
Nearly 7 minutes was enough for me to absorb all what he said ❤❤❤❤
Thanks for another excellent video, Dave. Years ago an old timer explained to me, basically the circuit breaker's job is to protect the wiring/equipment, the GFCI's is to protect you!
Dave is such a great teacher. I love his vids.
One of the best explanations of the types of OC I've ever seen. Bravo.
Good example with ground fault. But I would always give two ground fault examples. One like yours where the fault goes to the ground wire. And another where the ground fault goes to the dirt/earth/water and doesn’t touch the ground wire. Then I would explain that both types will trip gfci. This gets people to think and realize that the gfci device can sense a fault where the ground wire is not involved at all. This way people can understand that gfci works correctly on a circuit that has no earth ground.
Sir! You are great at what you do. Very clear and concise.
You're saving my ass in electrical school. You're the best teacher, seriously. Thank you
i hope i have teacher like you when i am young..
Subscribed. I have been in the electronics biz since 1984 and you sir are someone I could watch for hours. I was blessed enough to have my high school and college professors teach well and convey the rules and laws clearly. I would put you at the top of the heap. Thanks for making fine videos.
You are such a great teacher. Your explanation is very clear and understandable. Thank you.
you are one of the best tutors. I am satisfy with the way you explain everything in details. best explanation ever!
Perfect lesson again. I got to test circuit breakers using huge, Frankenstein-like test sets with 6" diameter knobs., analog and digital meters and timers. What a BLAST!! The three basic tests were long time, short time and instantaneous to determine how well the circuit breakers performed under actual load. The first test set was the transformer/controller that we fed with 480 single phase which dropped it down to a very low voltage C clamping large cables to each breaker phase then applied current to each until the breaker tripped. Instantaneous (depending on the test curve of each size, type, brand...) was about 10 times the breaker rating, short time was about 5 and long time was around twice the breaker rating.
This video is such a gem, every instructor should share this with their students. Good job.
I just came by your video, and I'ld say you did a good job in explaining the concepts. I hope to see more of your videos. Thank you 😊
Love his videos! 3rd year Union apprentice here and I come running to his videos they just make so much sense!
Great having the basics clarified. Thanks
Wow. Like so many have commented, this man is a gifted educator.
Great refresher video. Getting ready to train a new employee. Sometimes putting to words what you already know is tough. This was a great explanation.
Thank you sir for teaching me electrical principles I find them to be so helpful down here in Malindi Kenya.i will crave for more,thank you sir.
your an excellent instructor that i have ever seen , good job and keep working , you make the information to enter my head as fast as the short circuit interrupting happens 😂😂♥
I saw your video, it is nice to see how it is explain, I remember long time ago when I have to master a Power system of a very Complicated Big Power Plant, Transmission and Distribution Line when there are different kind of Load for Commercial and Industrial costumer. Before we have the Westinghouse Books now we got software to solve this problem.
wow, this is outstanding, i now dislike 'short circuit' as compared to 'ground fault' because 'ground fault' is a more accurate way to describe it
the way that you simplify concepts amazes me thank you so mush
Even though its electricity basics, I appreciate the way you dumb it down to the point a 5yr old can understand it. Especially since theres no way of knowing who your audience is. You teach it like your introducing us to the concept of electricity
"Soli deo Gloria", pretty cool :) God bless! Greetings from Norway!
I appreciate your succinct explanation. It will assist me in finding an electrical defect in my driver's side indicator light circuit. Thank You.
I'm an engineer constantly learning and re-learning. You're spot on here mate. Good to listen to your presentation. 👍
Hey there Engineer.
nice video gretings from Guatemala hugs for you thanks for share
If I am going to listen to someone go in depth in extremely technical subject matter,I must like the person & their voice can't annoy me,this guy ticks all the boxes and holds my attention,love these videos.❤️⚡⚡
Powerline Technician student here; I have been looking for a way to wrap my mind around the concepts. How I phrase it to myself is to "Dumb it down" to myself. This helped me so much as I am going into 3-phase and still had to figure out the basics, not just remember the formulas, etc. Thank you so much. I am going to keep watching a your content instead of Karen videos.
Thanks for all the helpful information, as you go it would be great to get an in-depth understanding of the geothermal and how to get it in various environments from west coast to east coast!
Well made video, i think this simplify things to total amateurs and even some professionals
you have a talent for explaining this stuff. It can be hard to grasp especially if someone is boring and monotone. The dynamic explanations were helpful to me. Thank you ~sub'd
Dave, this is a great way to explain. ! Keep it up.
Wonderful explanation!!! Sending love from the UK
Wow, fantastic breakdown!!! Thank you sir
His example of ground fault tripping was showing a fault on the supply lines. That would indeed trip a gfci circuit breaker; but it would not trip a gfci outlet. Since most houses use gfci outlets and not gfci breakers the example shown is misleading. Otherwise a very good video with much good information. Well done.
thanks for the great explanation :) was always confused about these terms.
Thank for illustration and very comprehensive discussion
I loved the way you distinguished between overload and short-circuit
Well explained and clarified. I really appreciate it. Thank you.
Very well explained. Keep up the good work!
teaching and explaining is really your talent.
Thank you for sharing your knowledge, sir.
Fantastic instructor.
Fantastic video, thanks for making this!
You are better than channels with 10x the budget.
I love your explanations sir!!
Thank u Dave . Your content helped a lot.
Best explanation I've seen in my life🙏
Hey, Electrical engineering student here! Love your video explanation! Pax Vobiscum.
Everybody in construction should be watching your videos.
your videos very helpful .outstanding explaining..thank you
Really amazing stuff!
A circuit breaker can protect from overload; an earth-leakage circuit breaker (ELCB) can protect from short circuit, ground fault, and electric shock.
I just discover your channel. Excellent presentation and explanation. Please make more
Very impormative video, Tnx for sharing Sir
Thank you. This was a very good explanation.
That was an excellent explanation and made very easy to understand. Thank You! Subscribed😀
The world's best teacher thanks
Fantastic video, great explanations and very well presented. Really appreciate it.
This is an excellent video... Thank u
Thank you sir for the clear details and information God bless you
You must be a teacher. Great video man 👍
Very nice, enlightening 💡, no short circuit ! 👌
Amazing explanation. Thank you!
so direct and clear explanation.
Great, short and concise video
Amazing explanation 🎉🎉
If only my teacher's could teach like this it would have been awesome 👍..
Thank you for your splendid explanation
Great teaching , thanks for sharing.
Properly explained. Thank you sir.
Great explanation 👌
Thanks. It is really a great explanation.
Thankyou, you’ve really simplified what I needed to and understand for my final exam :) Louise
Thank you for this wonderful explanation.
Great demonstration sir.
Very helpfull explanation. Is it possible to see a video of the relation between an LSIG breaker and the types of overcurrent? Thanks for the video!
This video Answers some Questions. But, it also creates lots of other Questions ???? So many Questions to ask about Electricity ?? Such as Why do some 3 Phase pieces of equipment need a Neutral and others do not ?? I have noticed that equipment with an Element do use a Neutral. this might be some of the reason for the feedback current ( Neutral wire ) Definitely a very interesting channel worth Subscribing to 👍
Sorry what do u mean by Element? Is it resistive loads?
excellent, clear explanation
Basics is very important.thank You Sir.
Currently in trade school your videos are helpful