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Do-It-Yourself (DIY) Question & Answer Forum
A question on radials
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<blockquote data-quote="Subneural" data-source="post: 76524" data-attributes="member: 862"><p>I'm due to add some sockets to a commercial unit but I'm struggling with the logistics.</p><p></p><p>The board is at the rear of the premises on the left and the sockets are to run down the right side all the way to the front. My inital thought was to run a 20A radial down the right side as the cable length from board to final socket will be 40m.</p><p></p><p>BUT, the floor area of this works out at 112 m2 and Appendix 15 states that 'Historically (or 'rule of thumb' depending on the update) this should be limited to 50 m2</p><p></p><p>Is it ok or not to run a radial around a floor area this size or do I need to add an extra board and a submain, effectively the first 14m of cable runs from the board to the first socket.</p></blockquote><p></p>
[QUOTE="Subneural, post: 76524, member: 862"] I'm due to add some sockets to a commercial unit but I'm struggling with the logistics. The board is at the rear of the premises on the left and the sockets are to run down the right side all the way to the front. My inital thought was to run a 20A radial down the right side as the cable length from board to final socket will be 40m. BUT, the floor area of this works out at 112 m2 and Appendix 15 states that 'Historically (or 'rule of thumb' depending on the update) this should be limited to 50 m2 Is it ok or not to run a radial around a floor area this size or do I need to add an extra board and a submain, effectively the first 14m of cable runs from the board to the first socket. [/QUOTE]
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A question on radials
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