I've been in the industry for 15+ years and I've never come across an instructor that is more concise and clear. Straight to the point and done with wonderful cadence and delivery. Cheers Mr. Gordon. You are a blessing indeed.
Good morning Dave Can proudly say I passed my Journeyman’s first try yesterday. Thank you for all your information, insight and help over the last year. For anyone else going for that J card, it’s possible. Stay consistent, stay focused, you got this. Stay safe out there brothers! 👊🏼💪🏼 📍 Boston, MA
Congratulations and I trust our trade will provide you a good long career. I'm guessing you're part of our IBEW family, but if you're not, give it consideration to keep our trade providing good wages and benefits for families all across North America. Thanks for your vote of confidence, and God bless you brother. p.s. One of my favorite JW's started the trade in Boston...
Does this mean if any of the 3 rules gets violated, you round down to the lower amp? Like if I have an ampacity of 27A and the branch circuit has more than 1 receptacle, do you round down to 25A breaker/fuse? That is how I interpret the exceptions to the “round up rule”. Asking for the journeyman test.
Can anyone point out the code that refers to the “calculated load” on the conductor. Sounds like as long as the calculated load isnt over the wire ampacity we can round up. But i dont see anywhere in 240.4 about the “calculated load”
You said after derating you can use the next size up. The 2017 nec says “ without overload trip adjustments above its rating” what does this mean? I’m confused
Most small breaker ratings, typically 200A and less, are built-in to the breaker and not possible to change. The breaker's trip rating is calibrated at the factory, and it's a fixed rating. These are known as thermomagnetic breakers. Larger breakers tend to have adjustability to the trip rating, where the user can modify the setting on a dial. The breaker has electronic circuitry that determines when to trip, and you can configure the circuitry. So you could start with an 800A breaker from the factory, and tune it to act as a 600A breaker. This is what that section is stating about overload trip adjustments. So if you have a standard OCPD that has its rating factory-sealed inside it, you get to use 240.4(B). Whereas if you have a user-adjustable OCPD, you need at least as many amps as the setting you configure. Such devices also have to be locked to only be accessible to authorized people.
But doesn’t line up with Service conductor on residential with 83 percent rule you may have a 190 amp load calculation on 200 amp service with 180 amp 4/0 aluminum
Great teacher, great content as I'm studying for my Master license. Did anyone else understand what the hell Dave said though, concerning how he injured his arm 😂 ?
Dave on your OCPD transformer calculations video (near the end ruclips.net/video/Otjmm8875rI/видео.html) you show how your rounded down to obtain the nearest standard breaker size for the primary OCPD and your rounded up to obtain the nearest standard breaker size on the secondary OCPD. This is the opposite to 240.21(C) .. Can you elaborate?
I love that you give reasons. Those who don't usually don't have the same level of understanding. "Why" is not a four-letter word.
Bro....how are more people not watching this dude. He’s legit!
I've been in the industry for 15+ years and I've never come across an instructor that is more concise and clear. Straight to the point and done with wonderful cadence and delivery. Cheers Mr. Gordon. You are a blessing indeed.
Seconding all the comments, this man is one of the most gifted instructors I've seen. Keep the videos coming Dave!
Dave! This is awsome! A was stuck in a loop trying to desifer 240.4(B)(2). You have helped a lot bro. God bless you in Christ. Best!
Dave your a bomb teacher. You make transformer/ electrical theory very easy to digest.
Good morning Dave
Can proudly say I passed my Journeyman’s first try yesterday. Thank you for all your information, insight and help over the last year. For anyone else going for that J card, it’s possible. Stay consistent, stay focused, you got this. Stay safe out there brothers! 👊🏼💪🏼
📍 Boston, MA
Congratulations and I trust our trade will provide you a good long career. I'm guessing you're part of our IBEW family, but if you're not, give it consideration to keep our trade providing good wages and benefits for families all across North America. Thanks for your vote of confidence, and God bless you brother.
p.s. One of my favorite JW's started the trade in Boston...
way to go! that is a big day and it is not an easy test.
@@davegordon6819 👿👿👿
You are a great teacher Dave. I really admire you and your work!! Thanks for your videos😊😊
Although I knew all the info beforehand, Dave’s explanation was stellar! I’ll certainly forward this to my colleagues
Best explainer ever, so coherent and slow, and with so many good examples to back up the material. You are a great teacher!
You are a great teacher Dave. I really admire you and your work!! Thanks for your videos
Fantastic easy to follow explanation! Thank you for sharing this.
You are a very good teacher...wow! You simply don't see this level of detail often. Thank you!!
Very skillfully explained
He's so good that he's ambidextrous. Great video as always
And he supports working people of the IBEW!! what more can I say!
Thank you for this awesome video! Keep up the great work
Dave ur a God send. Hope the shoulders doin good
Thank you. After lots of physical therapy my shoulder's just about like new...
Amazing teaching!
Does this mean if any of the 3 rules gets violated, you round down to the lower amp? Like if I have an ampacity of 27A and the branch circuit has more than 1 receptacle, do you round down to 25A breaker/fuse? That is how I interpret the exceptions to the “round up rule”. Asking for the journeyman test.
Dave do you have classes. And if so where are your classes held.
Just what I was looking for
Can anyone point out the code that refers to the “calculated load” on the conductor. Sounds like as long as the calculated load isnt over the wire ampacity we can round up. But i dont see anywhere in 240.4 about the “calculated load”
I have in my notes that you cannot round up when calculating FLA motor overload protection. no code reference though.
thank you for your videos.
430.32A1 and 430.32C
There are very good teachers out there, but the way you teach is quite understandable, thank you for sharing your knowledge with everyone!
these videos are awesome
thank you for doing this!🙌
thank you...!!!!
You said after derating you can use the next size up. The 2017 nec says “ without overload trip adjustments above its rating” what does this mean? I’m confused
Most small breaker ratings, typically 200A and less, are built-in to the breaker and not possible to change. The breaker's trip rating is calibrated at the factory, and it's a fixed rating. These are known as thermomagnetic breakers.
Larger breakers tend to have adjustability to the trip rating, where the user can modify the setting on a dial. The breaker has electronic circuitry that determines when to trip, and you can configure the circuitry. So you could start with an 800A breaker from the factory, and tune it to act as a 600A breaker. This is what that section is stating about overload trip adjustments.
So if you have a standard OCPD that has its rating factory-sealed inside it, you get to use 240.4(B). Whereas if you have a user-adjustable OCPD, you need at least as many amps as the setting you configure. Such devices also have to be locked to only be accessible to authorized people.
But doesn’t line up with Service conductor on residential with 83 percent rule you may have a 190 amp load calculation on 200 amp service with 180 amp 4/0 aluminum
Great teacher, great content as I'm studying for my Master license. Did anyone else understand what the hell Dave said though, concerning how he injured his arm 😂 ?
ball game....
Dave on your OCPD transformer calculations video (near the end ruclips.net/video/Otjmm8875rI/видео.html) you show how your rounded down to obtain the nearest standard breaker size for the primary OCPD and your rounded up to obtain the nearest standard breaker size on the secondary OCPD. This is the opposite to 240.21(C) .. Can you elaborate?
👍👍
Boss💕
Cough