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Do-It-Yourself (DIY) Question & Answer Forum
TT to TNC-S
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<blockquote data-quote="gazza96" data-source="post: 11578" data-attributes="member: 993"><p>Thanks for the replies, having had a brief look at the area when i was leaving i noticed most houses had TT systems, I always thought that TNC-S was the better earthing system to have (0.35 ohms, very low resistance, better than 21 ohms for TT)</p><p></p><p>Could someone clarify some abbreviations,</p><p></p><p>DNO (or as i call them 'the supply guys'!)</p><p></p><p>HED (where fuse 1361 is, and earth conductor goes into side of?)</p><p></p><p>I will contact the local supply company and ask about whether TNC-S is available in the area</p><p></p><p>Thanks</p><p></p><p>Gazza</p></blockquote><p></p>
[QUOTE="gazza96, post: 11578, member: 993"] Thanks for the replies, having had a brief look at the area when i was leaving i noticed most houses had TT systems, I always thought that TNC-S was the better earthing system to have (0.35 ohms, very low resistance, better than 21 ohms for TT) Could someone clarify some abbreviations, DNO (or as i call them 'the supply guys'!) HED (where fuse 1361 is, and earth conductor goes into side of?) I will contact the local supply company and ask about whether TNC-S is available in the area Thanks Gazza [/QUOTE]
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TT to TNC-S
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