Maximum Demand and Diversity Calculation Explained - BS 7671 On-Site Guide Appendix A In this video we go through step by step the calculation for working out maximum demand and diversity for a single phase installation. For this version of the calculation we take 100% of the largest circuit fuse rating and 40% of the sun of all the other fuse ratings and add these numbers together to find the maximum demand for the installation. Videos are training aids for City and Guilds (C and G) and EAL cou

Wet Room Zones Explained 🚿 In this short video Marcus looks at how BS7671 breakers down wet rooms into 2 zones. The most dangerous of these is zone 0 which is the floor area that contains the water up to 1.2 meters from the fixed outlet . Marcus then states what zones is missing as well as explaining the equipment likely to be found in each of the zones and the required IP ratings of such equipment. Marcus also answers the questions can I have a BS1363 13 amp socket outlet in a wet room… EAL Aw

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At-Ap Walker – (Set 7671) – Silent Review

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