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Multiple Ovens In A Domestic Kitchen - Diversity
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<blockquote data-quote="Doc Hudson" data-source="post: 396456" data-attributes="member: 1607"><p>With such design questions the space in or around the consumer unit is academic. If more circuits are needed then they are needed. Or if there is absolutely no room anywhere within the installation to wire a sub main to addition distribution board then you simply don't add any more circuits. As you can only extend an installation that is capable of being extended. That is one of the fundamental principles of design detailed in chapter 13 under alterations and additions.</p><p></p><p>With regard to keeping diversity in mind, unless you provide some more specific details it is quite hard for anyone not familiar with the particular installation to consider if diversity can be applied or not. There is no one size fits all table for calculating diversity. BS7671 clearly states that specialist knowledge and experience of the particular circuits under consideration is required. Such as the maximum load a circuit may draw, duration that individual loads may be in use for, how many other loads will be in simultaneous use. etc. Appendix B of the on site guide gives guidance. as does guidance note 1.</p><p></p><p>Doc H. </p></blockquote><p></p>
[QUOTE="Doc Hudson, post: 396456, member: 1607"] With such design questions the space in or around the consumer unit is academic. If more circuits are needed then they are needed. Or if there is absolutely no room anywhere within the installation to wire a sub main to addition distribution board then you simply don't add any more circuits. As you can only extend an installation that is capable of being extended. That is one of the fundamental principles of design detailed in chapter 13 under alterations and additions. With regard to keeping diversity in mind, unless you provide some more specific details it is quite hard for anyone not familiar with the particular installation to consider if diversity can be applied or not. There is no one size fits all table for calculating diversity. BS7671 clearly states that specialist knowledge and experience of the particular circuits under consideration is required. Such as the maximum load a circuit may draw, duration that individual loads may be in use for, how many other loads will be in simultaneous use. etc. Appendix B of the on site guide gives guidance. as does guidance note 1. Doc H. [/QUOTE]
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