Episode 14 - Difference Of Potential (VOLTAGE)

00:00 Intro
00:40 Difference of Potential (Voltage) in detail
13:40 Electricity is powerful
15:00 Protect short circuits from happening
16:20 Outro

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#electrician #electrical #electricity

Voltage is an electromotive force created by a difference of potential. Therefore the terms voltage and difference of potential can be interchangeably used.

The term "difference of potential" is often used in describing the ability of an electric circuit to create movement. Just like in Physics you have potential energy and kinetic energy, in electricity you can describe the phenomena the same.

Electric current flows by making a circuit have a potential difference at the source. Then by connecting those two potentials with a conductor (wire), you're able to make a strong current of electrons flood through the conductor from the source, back to the source.

A battery has two different types of metal inside of it. One piece is made of a material that freely gives up electrons, and the other freely receives electrons. Just the ability for these two pieces of metal to have a relationship of proximity, is enough to capture and utilize the atomic energy they create.

Another good example is lightning. When the clouds fill up with positive charges, and the air closer to the ground has more negative charges a discharge of electric energy will occur. There is a difference of potential between the clouds and the ground, so current can flow. After a thunderstorm has passed the charges equalize and everything goes back to being the same potential.

You can think of electricity similarly as you'd think of water. Electricity flows and has a current, as does water. There's a pressure to that current depending on the voltage, or difference of potential, of the source...just as water uses the difference of potential created by gravity and height. Water flowing down a small slide will flow gently. Water flowing down Niagara Falls will kill you. Both the difference of potential as well as the current (or amount of flow) increases dramatically.

In order for electricity to work, there has to be movement. Static electricity still needs movement to occur in order to discharge and equalize charges. The only way that movement becomes useful is once there is a difference of potential present. That is what voltage is all about.

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**Disclaimer - These videos are for training purposes alone, all work done on electrical systems should be done by a licensed and insured electrical contractor. If you are not an electrician, do not attempt any of the work you are seeing in these videos.**

[KevinCoop]

I really like your install videos! They are spot on with what or how to install electrical work. This video, although good intention, has several points of not being exactly correct. Example, resistance does not slow electricity down. Resistance limits the amperage or amount of flow of the electrons. You kind of said it but not clearly. Respectfully, Kevin

[-castro]

I've learned more in your videos than I have in any other setting! *side note: Love the sound effects! They help.

[skaarfistpunchington]

No need to apologize for giving too much info. We are here to learn, and getting some extra, related, knowledge is much better than getting too little.

[AsianVoodoo]

I'm studying electrical engineering and working in an office renovation company. This gives such a better practical understanding than all the theoretical textbooks I've been pounding my head on. Thank you so much homie! This really helps me know a little more about what my guys in the field are doing.

[tactaker]

I'm gonna binge all this stuff, this is an amazing resource for an apprentice like me trying to wrap his head around electricity and how it works

[BradsWorkbench]

Just an idea for future step up/step down transformers and also lessons on reading drawings

[JosePerez-cldx]

You have the heart of a teacher. Keep up the good work. Great videos.

[steftacular]

Awesome video!! This was so cool to watch you diagram! I'm loving learning about all the theory behind how electricity works. Thank you for such a detailed explanation!

[melldot]

Where were you in my Physics courses at Uni? Great explanation thanks for taking the time to post.

[davidadame]

This is awesome! I learned a ton! thank you so much and the drawings made it so easy to follow

[RicoVegas]

Dustin thank you bro!! I actually really needed that last bit at the end, it helped clarify things for me and I didn't understand how the center tap split the current 120V/120V. I watched your video on the transformer and that helped a lot but this really completed it for me. THANK YOU! I also really like that you explain it so thoroughly that I feel confident in explaining it to others (if needed) without losing them.

[ikerivers]

Great info for the beginners. I wish I had YouTube and you back in the late 90s when I started. Kudos brother Electrician. Now give them three phase delta and wye transformers. They won't understand it all but they will start their journey. Two Thumbs up!!!

[michaelbass]

Great video man thank you for the lesson. Been watching for a while and I can't wait to be an a electrician.

[bobfugazy]

That was the best explanation of how electricity works. Thank you.

[Leelikebruce]

Very easy to follow and fun to listen to. Great job thank you!

[FaceFace]

Great video Dustin! Thank you again. Can't wait for more projects!!

[kdewitt]

What you refer to as your ranch is actual much-needed information and very good to know.

[hokimocus]

Very instructive! I heard you reference, "difference of potential" in other videos and decided to search for that term and voila! I am glad I did. This really fills in the blank spots I had in understanding electricity. Thanks!!!

[thomasclay]

Thank you, this was great. I really felt more relaxed with your way with words

[michaellopez]

Your channel is amazing man, i am enrolled in the CAT 1 ESA certification course and you pretty much covered their module word for word in 1/4th the time and ease. Thank you so much