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Do-It-Yourself (DIY) Question & Answer Forum
Running 1.5mm wire from 2.5mm ring for lighting
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<blockquote data-quote="SPECIAL LOCATION" data-source="post: 499416" data-attributes="member: 250"><p>That is from the same school of thought that says..</p><p></p><p>If the circuit has sockets it must be configured as a ring circuit!!!</p><p></p><p>Complete Tosh!! :shakehead </p><p></p><p>( A little knowledge is a dangerous thing.... )</p><p></p><p>You design a circuit by establishing what load you need to supply...</p><p></p><p>Verify if any volt-drop or cable de-rating issues are applicable..</p><p></p><p>Confirm what protective device rating is required and ensure your selected cable size is adequate for all of the above criteria..</p><p></p><p>There are numerous cases where the assumption sockets= 2.5mm &amp; lights=1.5mm will be totally wrong!"</p><p></p><p>The logic of that assumption would be on a par with..</p><p></p><p>My car has a tow bar fitted... So I should ALWAYS tow a trailer!!</p><p></p><p>or..</p><p></p><p>I need a new lounge carpet.. So I had better carpet the whole house as well!</p><p></p><p>etc.. daft to say the least...</p><p></p><p>You design and select your circuit parameters according to the loads.. </p><p></p><p>Not just a fixed idea that the bloke-down-the-pub said about what cables should be used.</p><p></p><p> :C</p></blockquote><p></p>
[QUOTE="SPECIAL LOCATION, post: 499416, member: 250"] That is from the same school of thought that says.. If the circuit has sockets it must be configured as a ring circuit!!! Complete Tosh!! :shakehead ( A little knowledge is a dangerous thing.... ) You design a circuit by establishing what load you need to supply... Verify if any volt-drop or cable de-rating issues are applicable.. Confirm what protective device rating is required and ensure your selected cable size is adequate for all of the above criteria.. There are numerous cases where the assumption sockets= 2.5mm & lights=1.5mm will be totally wrong!" The logic of that assumption would be on a par with.. My car has a tow bar fitted... So I should ALWAYS tow a trailer!! or.. I need a new lounge carpet.. So I had better carpet the whole house as well! etc.. daft to say the least... You design and select your circuit parameters according to the loads.. Not just a fixed idea that the bloke-down-the-pub said about what cables should be used. :C [/QUOTE]
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Running 1.5mm wire from 2.5mm ring for lighting
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