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Do-It-Yourself (DIY) Question & Answer Forum
size of tails
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<blockquote data-quote="mikel" data-source="post: 19834" data-attributes="member: 982"><p>I have been asked to quoe to replace a consumer unit with a new one. When I went to look at job I found that the flat has two consumer units fitted (wylex rewirable jobbies) one of which controls an economy 7 heating (storage heaters) and hot water immersion heater. the incoming supply is fed from a 100amp supply to a henley block where the tails are split to two different meters. From these meters tails go to each consumer unit. The 'normal unit' is fed by 25mm tails the economy 7 unit has 16mm tails. As i plan to renew the tails do I need to upgrade the tails to the economy 7 unit to 25mm. Hope this makes sense. I can't find anything in the 'wiring regs' but the on site guide says that meter tails should be 25 mm</p></blockquote><p></p>
[QUOTE="mikel, post: 19834, member: 982"] I have been asked to quoe to replace a consumer unit with a new one. When I went to look at job I found that the flat has two consumer units fitted (wylex rewirable jobbies) one of which controls an economy 7 heating (storage heaters) and hot water immersion heater. the incoming supply is fed from a 100amp supply to a henley block where the tails are split to two different meters. From these meters tails go to each consumer unit. The 'normal unit' is fed by 25mm tails the economy 7 unit has 16mm tails. As i plan to renew the tails do I need to upgrade the tails to the economy 7 unit to 25mm. Hope this makes sense. I can't find anything in the 'wiring regs' but the on site guide says that meter tails should be 25 mm [/QUOTE]
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size of tails
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