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Do-It-Yourself (DIY) Question & Answer Forum
earthing an outbuilding on main tt system supply
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<blockquote data-quote="batty" data-source="post: 6219" data-attributes="member: 66"><p>Hello alarm man. I run electrical supplies to a fair few seperate buildings. The way i do it is install two core armoured cable to building, i use armouring to protect cable as earth. You need to ensure cable gland is connected to earth through earth tag at supply end. I normally put cable into seperate switchfuse for easy isolation should there be a problem at shed. Being TT at supply end i would put a time delay RCD for discrimination of RCDS. At outbuilding end i cut armouring back, the new swa strippers are ideal for this and then put tape around cable to isolate earth this is important with pme earthing. I put cable through nylon gland, install RCD consumer unit and earth rod to earth installation. I hope this might be of use</p><p></p><p>batty</p></blockquote><p></p>
[QUOTE="batty, post: 6219, member: 66"] Hello alarm man. I run electrical supplies to a fair few seperate buildings. The way i do it is install two core armoured cable to building, i use armouring to protect cable as earth. You need to ensure cable gland is connected to earth through earth tag at supply end. I normally put cable into seperate switchfuse for easy isolation should there be a problem at shed. Being TT at supply end i would put a time delay RCD for discrimination of RCDS. At outbuilding end i cut armouring back, the new swa strippers are ideal for this and then put tape around cable to isolate earth this is important with pme earthing. I put cable through nylon gland, install RCD consumer unit and earth rod to earth installation. I hope this might be of use batty [/QUOTE]
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earthing an outbuilding on main tt system supply
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