Step 1 (& Intro) - Calculate Design Current -- 7 Part Series - Cable Selection for circuit design
Intro & Step 1 - Calculate Design Current Cable Selection for circuit design - 7 Part Series This video is Step 1 of the 7 part series of videos walking you through the cable selection process for circuit design. Step 1 is calculating design current. Ib = P/V. These videos have been created for Level 2 Students studying the 8202 Electrical Installation qualification. Cable selection process up to calculating Zs. How to choose the cable conductor size, referencing relevant parts of the On-Site Guide and BS7671 Requirements for Electrical Installations. Includes help with calculations and navigating the tables in the OSG and BS7671. Watch all 7 videos for a full understanding - Or come back to re-watch individual videos for revision.
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Step 2 Determine In - Size / rated current of protective device - 7 Part Series - Cable Selection
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EASY VOLTAGE DROP FORMULA and CABLE SIZE CALCULATIONS – ALL IN ONE - NO BOOKS – NO TABLES
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Step 3 - Calculate Iz new - 7 Part Series - Cable Selection
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A basic introduction to cable sizing calculations - BS7671
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Maximum Demand and Diversity Calculation Explained - BS 7671 On-Site Guide Appendix A
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