This video is mainly aimed at students on Level 2. The video shows a step by step method how to calculate the size on the live cable only using the On Site Guide. Each formula you need is shown and explained, each table used and page is shown in detail.
Finding Ib, In, It, Iz and all relevant C factors. Finding the reference methods, mV/A/m value and calculating volt drop.
BS7671 18th Edition amendment 2
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On - Site Guide 18th Edition amendment 2
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Casio Scientific Calculator
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Multi coloured pen
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15cm ruler
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30cm ruler
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Folding ruler
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Black writing pens
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Негізгі бет Cable calculation. Calculating the live cable size. A second example with a volt drop problem
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