CABLE SIZE CALCULATIONS – BS7671 AMENDMENT 2 – LEVEL 3 STUDY - TECHNICAL DIPLOMA – 18TH EDITION EXAM

In this Learn Electrics video we look how we can … Make cable size calculations Choose the correct breaker or fuse sizes And how we can determine if the voltage drop in the cable is within limits And we will achieve this just by using the Wiring Regulations book, nothing else. We will look at both single phase circuits and three phase applications and using different cable types. This video will be especially useful for understanding and using the BS7671 book in preparation for exams and for just improving knowledge. For Level 3 assessments for apprentices & technical diploma students and for written exams and those involved in circuit design. All references to page numbers and tables will be to … BS7671 Wiring Regulations 18th Edition Amendment 2 - The Brown book. The only other thing you need is a basic calculator. The Amendment 3 supplement is available as a free download, and there is a link at the bottom of this page. Paste this into your browser, download and print the supplement and attach it to your existing brown book. This will make your Amendment 2 book compliant with Amendment 3. In this video we will look at and explain a number of important items that are related to cable size selection such as … The relationship between Ib – In – It C factors, Reference Methods, and Voltage drop And Power, Volts and Amps – both single phase and three phase This is video number 267 and to view all our videos type in LearnElectrics all one word into the YouTube search bar. ****************************** Download your free copy of Amendment 3 Take a look at our video - AMENDMENT 3 IS LIVE – WIRING REGULATIONS – BS7671 – NEW AMENDMENT RELEASED – IMMEDIATE ACTION DATE - copy and paste the link below into your browser    • AMENDMENT 3 IS LIVE – WIRING REGULATIONS –...   ******************************* Visit our YouTube channel where we have many more videos on a wide range of electrical topics.