AFTER THIS VIDEO YOU WILL NEVER FORGET GROUPING FACTOR - NBR5410

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ELETRICITY - O CANAL DA ELÉTRICA

Published on Nov 14, 2019
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Link to purchase the Electrical Calculations Spreadsheet: https://hotm.art/ytd-planilha-calculo... Link to purchase the Load Panel Calculation Spreadsheet: https://hotm.art/ytd-planilha-quadro-... Link to purchase the Electrical Plant Sizing Spreadsheet: https://hotm.art/ytd-planilha-plantas... __________________________________________________ If you like the Eletricity channel and want to contribute to the generation of quality content, then access one of the options below: PIX KEY ???? [email protected] QR CODE ???? https://bit.ly/doacao-pix __________________________________________________ Receive Eletricity content straight to your email! Sign up using the link below: ???? https://bit.ly/cadastro-eletricity __________________________________________________ video link Part 02 - • DID THE CABLE GET HEATED? YOUR PROBLEM MAY BE... ___________________________________________ ???? Check out our content ???? ???? https://linktr.ee/Eletricity ___________________________________________ For correct sizing of conductors, it is necessary to take into account at least 5 criteria according to NBR-5410: 1 - Minimum cross-section; 2 - Current carrying capacity; 3 - Voltage drop; 4 - Protection against overloads; 5 - Protection against short circuits; Item 2 (Current carrying capacity) will depend on some factors: 1-Type of conductor (PVC, EPL or XLPE); 2-(Conductor Material (Copper or Aluminum); 2-Installation Method; 3-Correction by Temperature; 4-Correction by Grouping. Guys, here I mentioned some, but if you open the NBR-5410 standard in the conductor sizing section you will notice that there are a series of rules for correctly sizing the conductor. Among all these methods, in this video we decided to test a correction method that we consider extremely important, but that is often neglected by electrical professionals. The correction method by grouping that directly affects the cable's conduction capacity. If we are going to run loaded cables together, we have to pay attention to this correction method, we know that the cables heat up and the heating temperature of one cable directly interferes with another. We have already shown this here on the channel in the rolled extension video. For those who haven't seen it, I'm leaving the link below: Video 1 - https://bit.ly/2rJpjhz Video 2 - https://bit.ly/33Lu5ZY It is not enough to just take a table and look at the cable current according to its cross-section. This is wrong. We need to know the 5 methods presented above to properly size the conductor for a given load and among all these methods, sizing by grouping is extremely important. In the future, we will talk more about the other sizing methods to keep the electrical professional informed about the need for knowledge and application of the standard's requirements when sizing cables. I hope this video has helped to understand in practice a concept so forgotten by some professionals. I hope to see you in the next videos. ???? A hug to all. ???? Tune in to #electricity ???? ___________________________________________ ???? Most Watched Videos: What THEY DIDN'T TELL YOU about the 3-PIN SOCKET CONTROVERSY. ???? https://bit.ly/2JE4P07 How to Make a Curve and Unevenness in Electrical Conduit. ???? https://bit.ly/2ABlrk4 Higher Voltage Lower Current, Truth or Myth? We Prove It For You (Part 01). ???? https://bit.ly/2xvtzRB Do You Know All the Functions of the Wire Stripping Pliers? ???? https://bit.ly/2GD5Sun What is Best for Shunting in Electrical Panels? We Tested It for You, See the Result. ???? https://bit.ly/2MDdrHl We Connected 3 Lamps in a Star without Neutral. Will It Work? The Result is Impressive. ???? https://bit.ly/2BzUkH1 We Tested the WAGO 221 Connector and the Result Was Incredible. ???? https://bit.ly/2PknMoz Insulator Test. ???? https://bit.ly/2wEYcDV Connection Test. ???? https://bit.ly/2MHQdzZ_ Do You Know Threaded Rivets? Do You Know How to Use Them? ???? https://bit.ly/2J8bSMC We tested the Porcelain Connector. ???? https://bit.ly/2AddKRh ___________________________________________ Production and Editing. ???? Adoniran Freitas ???? Afrânio Freitas ???? Maecilei Leal ???? Dálcio Araújo ___________________________________________ Support: Life Print Company. ???? http://printcompany.com.br/site/

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