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Electrical Wiring- 3 phase panel detail 

Electrical Industry Network
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www.electricalindustrynetwork.com In this video I am describing how a 3 phase panel is built and how the bussing works in accordance w/3 phase power. It is part of electrical wiring systems common in the U.S.. This electrical panel is a 3 phase 4 wire 120/208 v 200 amp panel with 42 spaces. It is considered a bolt on breaker style with a main circuit breaker.

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2 июн 2011

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Комментарии : 371   
@linmk541
@linmk541 3 года назад
Considering this was uploaded many many many years ago means video quality is always going to be an issue. Regardless, love this video. As a licensed electrical engineer, most of my work evolves around drawings and getting to see how the actually detailed mechanism and wiring works great. This also allows me to understand how the breaker is actually mounted. Thank you!
@electricalindustry
@electricalindustry 3 года назад
Thank you! Over the years I have had many EE's ask me to see pic's of the real thing for the same reason. Let me know if there is something in particular you would like to see and perhaps I could do a video about it!
@Neondream531
@Neondream531 Год назад
Thank you! Sign guy here buried in learning the NEC code book, and this video helped me with visualizing this!
@markrarey3834
@markrarey3834 6 лет назад
I have a commercial building and it has 3 phase. We had one of the phases go out. I had to learn that its possible for that to happen. 1/3 of our power was on in the building. A real learning experience. Thanks for the video!
@electricalindustry
@electricalindustry 6 лет назад
Thank you!
@texasjourneyman207
@texasjourneyman207 7 лет назад
I'm a journey man in Texas and I will be the first to tell u that that's a beautiful looking panel and people don't understand that's it's not easy to make them look that good it takes finesse lol but u did a great job
@muchacamara
@muchacamara 6 лет назад
It takes BIG balls to do that.
@georgeswindolljr1980
@georgeswindolljr1980 3 года назад
Is that strande wire or solid????
@ryanthepianoman27
@ryanthepianoman27 2 года назад
@@georgeswindolljr1980 hype!!
@AndrewMcJannettSmith
@AndrewMcJannettSmith 10 лет назад
Great explanation on how a 3 phase panel works.. one of the only video's i have found that is simple, short and that you feel like you have come away educated.
@electricalindustry
@electricalindustry 10 лет назад
Awesome! Thanks so much for your comment!
@chasecrump9276
@chasecrump9276 6 лет назад
great explanation! I've been so confused in the 3 phase panels in school. I mainly do residential electric work so i never get to see these panels. This cleared it right up for me!
@electricalindustry
@electricalindustry 6 лет назад
Thank you,I'm glad it helped!
@Amanda_Axolotl
@Amanda_Axolotl 11 лет назад
I really find your videos useful. I like Fritz have a degree that has gone unused because I went in a different direction but find myself returning to old skill sets to make a living. You videos are a wonderful refresher to those of us that are a little behind in the actual application of the trade and as you said to some goof down ing the postings, we all have to start somewhere. Thanks and keep up the great work.
@electricalindustry
@electricalindustry 11 лет назад
That really is a good question! For years I thought that I didn't need to know about Ohm's Law.But as I moved into a different direction in my career I realized how important it is to understand it. I started doing a lot of remodels and service calls about 15 years ago and found out quick that I need to know more. I think if a person really wants to succeed in the Electrical Ind. they must understand all aspects of this industry.My advise--Learn as much as you can about all aspects of electrical
@danmcclaren5436
@danmcclaren5436 6 лет назад
New mechanical engineer at Schneider Electric here. You helped out a lot sir. Thanks.
@electricalindustry
@electricalindustry 6 лет назад
Good luck in your career and thank you for the kind comment!!
@wm79198
@wm79198 6 лет назад
Congrats on the job, designed in America! Tell your boss they need to up their game on the QO/HLINE breaker terminals. Those basically flat plates that can take two wires are a real weak spot, and pain to tighten down square. Whoever wired that panel in this video knows what I'm talking about. www.google.com/search?client=ms-android-verizon&tbm=isch&q=square+d+qo+breaker+wire+terminal&spell=1&sa=X&ved=0ahUKEwi_lOz6ydjZAhUo5IMKHZ_IBtEQBQhLKAA&biw=360&bih=612&dpr=2#imgrc=JOBubWs_jkqu-M:
@robertgreenwood5160
@robertgreenwood5160 3 года назад
Nice presentation explaining the panel! Appreciate your time and trouble, and answered most of my questions too.
@ritawix8217
@ritawix8217 6 лет назад
Thank u for the video. It is the most succinct explanation of a 3PH panel I have seen. Being a female apprentice I am hesitant to ask for more explanation if I dont initially understand something bc the belittling I get from the instructors is just not worth it. I have learned more from RU-vid than I have in 3 years of classroom theory. I really appreciate ur knowledge & the fact that u share it so freely. Be safe & thanks again!
@electricalindustry
@electricalindustry 6 лет назад
You are so welcome. It really helps me to know that people can learn from videos like these. All too often I forget to mention something or misspeak in a video and I become a hack or whatever else the youtube trolls feeling like calling me that day. NOBODY needs or should be belittled. Let me know if there is anything else I can help you with!!
@ritawix8217
@ritawix8217 6 лет назад
Thank u - appreciate the response. What I can say is that what helped the most is that u broke down the panel into its most basic components thereby making the info that follows much easier to absorb. All to often senior mechanics tell u WHAT to do, but rarely tell u WHY ur doing it (I realize that time constraints do not permit explanation of every little thing but really, panel installation instruction HAS to be concise . . . its basically the heart of ur electrical system) Even when a mechanic is actively trying to impart knowledge they inevitably omit something because it is so rote, or ingrained in them and their personal experience is so far beyond that initial step, they automatically gloss over it. I love the detail in ur videos. And when u think about it, WHO are u trying to reach . . . the people who want/need to learn the trade or the trolls who think they already know everything? As for "anything else" . . . If u have a video on Fluke testers please let me know. As much as I hate to admit it this far in, I have basically no experience with it (we are treated as assembly-line monkeys) so we just do commercial installations before anything is energized.
@electricalindustry
@electricalindustry 6 лет назад
Thanks, I know over the years I've heard "your not ready for it" or "I don't have time to explain, we need to get this done" Another thing is they don't know how to explain it they just know how to do it. I haven't made any videos specific to a Fluke,you didn't say what type but maybe it's time I make one. I have a couple different Flukes designed for different purposes. Thanks again for commenting and watching my videos.
@angelseliteautodetailing
@angelseliteautodetailing 6 лет назад
2018!! I like his videos 🙄 Good job man.. SPREAD LOVE ❤💚💛
@kr5746
@kr5746 5 лет назад
as a female apprentice, it is your job to learn as it theirs to teach you. electricians and shops will come and go, but the knowledge needs to stick. the best revenge is success.
@mossielgomez2646
@mossielgomez2646 5 лет назад
Great video, very thankfull for people like you that takes time to teach alot of people like me in 6 minutes, is awesome thanks alot sir !!!
@gregorynash3055
@gregorynash3055 10 лет назад
Absolutely the Best 3 phase video, great !
@Ishootback239
@Ishootback239 3 года назад
Awesome video, you literally broke it down so simple and easy to understand.
@lgrantcdg
@lgrantcdg 2 года назад
Excellent introduction for those of us who have worked only with single phase. Thank you.
@electricalindustry
@electricalindustry 2 года назад
Thank you and happy to hear it helps!
@r1ashad
@r1ashad 8 лет назад
Nothing new to myself but good and clear explantion of a 3PH panel.
@electricalindustry
@electricalindustry 8 лет назад
Thanks!
@aftabsaleem1151
@aftabsaleem1151 6 лет назад
Halo bro
@driver9313
@driver9313 12 лет назад
Excellent video that simplifies 3 phase into laymen's understanding!
@robertmcknight1352
@robertmcknight1352 7 лет назад
I'm studying three phase from an electrical engineering book for my Master's License. (plus a challenge from my company) Although we use it and know how to use it, the principles behind it is intriguing. Keep up the good work.
@electricalindustry
@electricalindustry 7 лет назад
Thank you and good luck in your studies!
@jeffreylonigro1382
@jeffreylonigro1382 4 года назад
This was helpful. Best vid I’ve seen so far from you. Sharing info vids are best.
@adamwise1790
@adamwise1790 6 лет назад
Very nice panel. I’m glad to see people take pride in there work
@electricalindustry
@electricalindustry 6 лет назад
Thank you,I appreciate you taking the time to comment!
@luisamoroso3648
@luisamoroso3648 10 лет назад
Brother thanks a lot for the video. I never comment on you tube but I had to on this one. I'm an apprentice and just joined the union and this really helped me have a better field understanding of phasing. Thanks again bro.
@christinalynn6116
@christinalynn6116 3 года назад
Thank you so much for making this video. You made my job easy! Thanks, Christina
@yoshizod
@yoshizod 5 лет назад
Amazing how you explain everything. Thank u sr.!!!
@electricalindustry
@electricalindustry 13 лет назад
@MyKamiloo Thanks for the explanation,it's cool to learn how the other country's outside the US wire their equipment!
@RobertWasswa
@RobertWasswa Год назад
What a video been looking for this for years. Thanks a bunch.
@pvf1799
@pvf1799 6 лет назад
Awesome video. We're farmers that now have need for 3 Phase panel fed by a Phase Perfect Converter. Your detail was perfect - thank you. If you have video on phase converters I'd live the link.
@David-uj2ms
@David-uj2ms 6 лет назад
Outstanding video! Very well done. Thanks.
@MoeNezbit
@MoeNezbit 11 лет назад
Makes sense to me now. Nice job breaking things down. Thanks!
@EarnestRandall
@EarnestRandall 11 лет назад
I believe you broke it down to where it is very understandable, thumbs up Sparky. Thanks!
@joescoggins8440
@joescoggins8440 9 лет назад
Great Video! Thanks For putting it together!!
@8yerbrain
@8yerbrain 9 лет назад
Helpful info, thanks for sharing!
@frankiek.3742
@frankiek.3742 10 лет назад
It would have been really cool if you had also detailed the wiring on this breaker by doing mock install of the wires into the terminals as you explained the panel. All n' all, great video.
@larrybui
@larrybui 8 лет назад
Great video ! Practice will help you learn and remember
@Movielunatic
@Movielunatic 10 лет назад
We are a third of our lives at work! How little we store memories from this period? In fact, I have tried to record some of the events on film and video! Use every opportunity and record the people on the job, working methods, in order to leave some memories to future generations. The time it takes an amazingly fast!
@electricalindustry
@electricalindustry 11 лет назад
Thanks,I really appreciate the feed back! Great avatar!
@electricalindustry
@electricalindustry 11 лет назад
Thanks for you comment I appreciate it! Pipe bending vidoe is on the list of videos to produce.
@electricalindustry
@electricalindustry 12 лет назад
@davec3487 Most of the installations I run across the motor starters are located near the motor. All of the car wash's I work on have a MCC,Motor Control Center, located some where in the equipment rooms. So really it depends on the application.
@pbp8059
@pbp8059 5 лет назад
this is awesome, apprentice here who mostly gets put in the suites I don't get to work in electrical rooms too often since the work is defaulted to Licensed workers
@jouafg
@jouafg 10 лет назад
Great explanation well done is there any difference if i want to put the red then black and blue .thanked you
@dnznznfjsnsnsms9996
@dnznznfjsnsnsms9996 3 года назад
Well done. Thank you for thst. Answered all my questions. And thsts an impressive panel tie in
@electricalindustry
@electricalindustry 11 лет назад
There are many varieties of breakers and panels. 3 phase panels are built both plug on and bolt on styles. There are 3 phase load centers(plug on) and 3 pahsepanelboards(bolt On).You need to use the specified style breaker to match the type of panel your using.
@solowsharmy5782
@solowsharmy5782 7 лет назад
100% THANKS! Would there be a certain color code, say on the high side, coming from a delta feed?
@unicopachulo
@unicopachulo 4 года назад
I love this video, is very informative and easy to comprehend,,, thank you
@sunshine7453
@sunshine7453 6 лет назад
Thank you for the clear explanation.
@thomasporter2644
@thomasporter2644 5 лет назад
Great explanation... keep up the awsome work.
@jackysarino8804
@jackysarino8804 3 года назад
Amazing you explain it completely and very clear thanks for this information !! Good job
@electricalindustry
@electricalindustry 3 года назад
Thank you!
@NWPRcharlie
@NWPRcharlie 8 лет назад
Great explanation of the subject, but I do have a question specifically about the MCB panel. I have a Siemens panel that looks identical to the MCB panel in your video, maybe a little smaller. However it didn't come with the white switch at the bottom, nor is there room or a location to mount one. How do I go about getting my power into the panel? Any help is appreciated thanks.
@electricalindustry
@electricalindustry 11 лет назад
Absolutely.You would need 1-single or double pole breaker installed. Wiring to your device would be hot,neutral and ground for a single pole and depending on your requirements you could run two hots to a motor,light or whatever. Always check your spec's before running any power.
@5tar5z
@5tar5z 6 лет назад
Excellent. I'm a 1st year apprentice. This helped a lot. Thanks
@electricalindustry
@electricalindustry 6 лет назад
I'm glad it helped,thanks for the comment!
@jeepernj99
@jeepernj99 12 лет назад
hey this is a really good video. You explain it very well. Nice job.
@electricalindustry
@electricalindustry 11 лет назад
Thanks much,glad you liked it!
@peterwillymcjohnsonator7837
@peterwillymcjohnsonator7837 11 лет назад
my father had installed a GFCI outlet in the kitchen. He wired it up, turned the power on, and plugged in the coffee maker, the bottom outlet worked fine, the top when plugged in tripped the GFCI breaker. So he broke out the manual, and found the wiring was backwards. turned power off, removed outlet, and wired it the right way. Works great now. Still goes to show. Even AC power doesnt have poles, (like DC) correct wiring is a MUST to prevent faults. I believe hot and ground was switched?
@juniormc.donald6919
@juniormc.donald6919 5 месяцев назад
Great information. Looking forward for more.
@tlindsey9769
@tlindsey9769 6 лет назад
Would really like to know more about the neutral and grounding and any special safety requirements. Maybe even a source to read about.Thank you
@epetelawrence
@epetelawrence 6 лет назад
Great video great explanation
@anomalyjustin
@anomalyjustin 11 лет назад
Also, I'm asking mostly from a theoretical standpoint, not necessarily whether unbalancing the phases will cause specific problems like burning your house down (I know it won't). And I know that the overwhelming number of boxes I've worked on had circuits both originally placed, and later added, without any sort of real forethought, so I know it is common to just pop breakers in wherever. Does it make a difference?
@jenko701
@jenko701 13 лет назад
Pure Gold ,Love it ,More like this.
@electricalindustry
@electricalindustry 11 лет назад
Much thanks for your comment.
@KillerKolt44
@KillerKolt44 8 месяцев назад
I knew about abc this video taught me where to land each one thank you
@sheseems
@sheseems 11 лет назад
Awesome video, keep them coming. Can you explain a splitter panel setup? I just went through intermediate for my apprenticeship. We did a lot of splitter calculations but nothing practical.
@RODALCO2007
@RODALCO2007 10 лет назад
Good video and very well explained.
@electricalindustry
@electricalindustry 10 лет назад
Thanks glad you liked it!
@tedlahm5740
@tedlahm5740 4 года назад
Wonderful explanation. Only small change, On a single phase step down transformer ( Panel not shown) used for most households, only one phase. "which is split phase" Thank you, of great information, although most of us will never deal with this much power, which is 1.5 times more power than single phase.
@nathanielsharma1487
@nathanielsharma1487 3 месяца назад
Honestly you did amazing. Best explanation.
@electricalindustry
@electricalindustry 2 месяца назад
I appreciate that!
@fedotbarsukoff9599
@fedotbarsukoff9599 Месяц назад
Thank you for keeping it simple understand perfectly
@electricalindustry
@electricalindustry 12 лет назад
What are the breaker configurations 1p vs 2p?Have you taken amp draws on all breakers or just the main? Balancing is done by relocating breakers to another phase depending on 1p vs 2p breakers. Balancing a single phase panel vs 3phase panel are 2 different animals. How did this panel get to having a load difference? 200+ on line 1? What size is that panel? THere is a little more to it but these are the basics.
@electricalindustry
@electricalindustry 13 лет назад
@jjlwis I really like SIMpull wire. I first used it a couple of years ago on a 4/0 feeder pull with 4 90s @ 180' long. Nice easy pull!
@dnznznfjsnsnsms9996
@dnznznfjsnsnsms9996 3 года назад
Hey how do I transfer measurements from floor to a sloped ceiling if I don't have a laser? For like island lites need sometimes
@edwardorodriguez7842
@edwardorodriguez7842 8 лет назад
very good explanation....
@electricalindustry
@electricalindustry 11 лет назад
Do you have afci breakers on a shared neutral?
@plumber77mjr
@plumber77mjr 6 лет назад
If you have a (stinger lead) say one lead is 208 and other two are 110 each. How do you lay out your breakers? Say I don’t need that much draw off of “C” bar do I just skip loading onto that bar? Additionally what could you run off of the stinger lead? If you had an oven you’d still need two leads of 110 right, can’t just have one breaker onto the 208 lead? Tks great video
@DavidBerquist334
@DavidBerquist334 7 лет назад
with 208 can I run 3circuts sharing the neutral and 480 can I do the same for 277 lightning
@jaybrown7088
@jaybrown7088 8 месяцев назад
Thanks for sharing, great learning experience.
@MR-nl8xr
@MR-nl8xr 7 лет назад
Is it most common for a (e.g 480Y/277) panel to start from left to right with the phase order of A-B-C.
@More350Power
@More350Power 11 лет назад
Really like these videos, there isnt a whole lot out there that explains in detail on three phase panels / wiring.... Do you run into a lot of three phase with a high leg, or are most 3 phase 208 / 480 systems?
@yonaloriner324
@yonaloriner324 10 лет назад
Hi, thanx for the video it was very informative and i appreciate that. Would it be possible for you to explain why we need it, what it does and how does it work? Thanx so much in advance!
@MrWhalen80
@MrWhalen80 12 лет назад
Great video, glad I found it and i understand the explaantion too. It would be better if u had more lighting on the pics, but they were not bad either.
@tito51rivera15
@tito51rivera15 2 года назад
Thanks for the explanation,. how 3 phase wires color code are connected to any 3 phase input equipment, if 1 or 2 color are different ? ... thank you . Tito
@NicholasTheGreat
@NicholasTheGreat 3 года назад
Thank you for this video. Very helpful
@adamnicolekyle1253
@adamnicolekyle1253 4 года назад
Does the neutral wire have to be insulated in a 4 wire delta configuration? 120/240 3 phase service
@danielchenette9887
@danielchenette9887 5 лет назад
Could you do a video on how 3 phase, branch cct work?
@andrewperez5290
@andrewperez5290 5 лет назад
Great video man
@DavidBerquist334
@DavidBerquist334 8 лет назад
can you run red black blue and share the neutral for outlets keeping each leg on seperate legs so you dont over load neutral
@christ2090
@christ2090 5 лет назад
Thank you . Some phases A B or C can be a high leg 220 . so i learn that the hard way in my younger years has a electrician. Test ur phases and breakers and circuits at all times before you plug or connect something. Doenst have to be just commercial. On high legs
@user-ku5fy4up7o
@user-ku5fy4up7o 7 месяцев назад
very nicely done!
@janeadams6952
@janeadams6952 12 лет назад
Well explanation shown by the video.Thanks
@quintana577
@quintana577 9 лет назад
Do you know how many current carring conductor can i put ina 3/4 pipe, and also can i share my grounding conductor,
@notorious8361
@notorious8361 Год назад
Great video!
@aleciajones5002
@aleciajones5002 5 лет назад
Very informative! Thank you!
@kellimcclure3929
@kellimcclure3929 6 лет назад
Whoever done that panel.....👌👍.
@Yankeeswin1973
@Yankeeswin1973 4 года назад
Could you add a 3 phase breaker for an AC unit within the panel used in your video? Say in apartments that take single and two pole breakers. We want to add a 3 phase breaker to each panel for the AC unit?
@raymondcurrie1148
@raymondcurrie1148 10 лет назад
I am trying to create a 3 phase panel, to run 4 electrical machine off of. Originally there is a single three phase coming in, and I want to split that off to 4 separate machines. I saw how you showed the 3 phase panel box, and this design looks similar to something that I need. Each machine needs to have at least 240 vdc coming off the breaker so that I can tie them into a transformer for each and which will step that 240 up to 480 that the machine requires. However, I have never made a spliter box before, and I need to know how this entire process is done CORRECTLY so that I will not destroy anything.
@electricalindustry
@electricalindustry 11 лет назад
I would first test power at your service. Check fuses,turn off all breakers at your panel then test again. Sounds like it could be the main fuses or incoming power. R U using a quality tester? Let me know more.
@daikuone
@daikuone 9 лет назад
If I have 3 existing 220 single phase 4 wire outlets each with it's own breaker, is it safe to assume that all of those wires from each outlet come back to the main panel? In other words, would any of those wires coming off the outlet be tied to anything somewhere in the wall, other than at the breaker box, assuming it is to code? I am wondering if I can add a 3 phase subpanel, that would work off a digital phase converter that could use the existing single phase wiring to create a three phase outlet or connection? I obviously would have to find the appropriate neutral and ground wire for each outlet. Can you comment?
@dukat03
@dukat03 12 лет назад
Sparky, Hi, so I'm hooking up a baler that's 480 3 Phase, now i have 2 panels, one is a MLO to a MCB and it looks like they took 4 wires from a breaker inside the MLO that goes down to a transformer and from the transformer it goes into the MLO that has all the breakers for everything. Now can i hook a 3 pole breaker for my baler off the panel or should go to the MLO (The MLO doesn't look like i should hook anything to it directly.
@chrischris3551
@chrischris3551 Год назад
Great video,a questioncreated while watching this video is,if the busbars are not connected between each other,doesn’t every phase in that case work as a single phase?
@NdxtremePro
@NdxtremePro Год назад
Yes, but they are 120 degrees out of phase. In single pole breakers this is not important, but in double pole and triple pole this becomes important. You use a double pole for 208V, not 240 in this system due to that phase difference. And the same rules apply to the three pole breakers. The breakers and the phase allow them to work together as if they were one continuous source of power to the devices on the line.
@priesto1
@priesto1 6 лет назад
So if there is a 480v main three phase breaker, would I get 480v if I use a three pole breaker to supply power to a motor?
@jeepernj99
@jeepernj99 11 лет назад
Great Video!!
@jcbringas67
@jcbringas67 11 лет назад
i would like to learn more about motor and motor controls for instance delta? wye ? how do you connect them can you help with the type of questions that the nec gives?
@loscarnm
@loscarnm 8 лет назад
Great video, thanks for sharing it.
@electricalindustry
@electricalindustry 8 лет назад
+loscarnm Thanks for your comment! I appreciate it.
@sethat8e
@sethat8e 10 лет назад
Great video.
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