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Power To Shed
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<blockquote data-quote="gozzer66" data-source="post: 381220" data-attributes="member: 7223"><p>Hello all, any advice on this is appreciated.</p><p></p><p>I want to install power via a cable to a large shed.</p><p></p><p>The intake at the house is 3 phase.</p><p></p><p>The measured run is 115 metres.</p><p></p><p>The load in the shed will be approx 4KW, to inc water heater (2000w) panel heater (1500w)internal lights (72w) external lights (28w) extractor fan (36w) and a couple of sockets.</p><p></p><p>The consumer unit in the shed will be protected by 100m/a, 63amp rcd and the circuits by 2 30m/a rcds.</p><p></p><p>An earth rod will be installed at the shed.</p><p></p><p>I have the following questions.</p><p></p><p>1. What cable to use for the run? 35mm or 25mm 3 core or 16mm 4 core, (using 2 cores for live 2 for neutral)</p><p></p><p>2. Is a load test required at the intake, a single phase consumer unit powers the house circuits but various outbuildings are also supplied through 100amp isolators.</p><p></p><p>3. Is it okay to attach shed cable through henley blocks at 25mm cables that supply the consumer unit. Thank you.</p></blockquote><p></p>
[QUOTE="gozzer66, post: 381220, member: 7223"] Hello all, any advice on this is appreciated. I want to install power via a cable to a large shed. The intake at the house is 3 phase. The measured run is 115 metres. The load in the shed will be approx 4KW, to inc water heater (2000w) panel heater (1500w)internal lights (72w) external lights (28w) extractor fan (36w) and a couple of sockets. The consumer unit in the shed will be protected by 100m/a, 63amp rcd and the circuits by 2 30m/a rcds. An earth rod will be installed at the shed. I have the following questions. 1. What cable to use for the run? 35mm or 25mm 3 core or 16mm 4 core, (using 2 cores for live 2 for neutral) 2. Is a load test required at the intake, a single phase consumer unit powers the house circuits but various outbuildings are also supplied through 100amp isolators. 3. Is it okay to attach shed cable through henley blocks at 25mm cables that supply the consumer unit. Thank you. [/QUOTE]
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