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Do-It-Yourself (DIY) Question & Answer Forum
TT to TNC-S
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<blockquote data-quote="steptoe" data-source="post: 11734" data-attributes="member: 7"><p>well give us the full theoretical fault then and we will try the touch voltage test and see if it passes.</p><p></p><p>I think you may be misunderstanding the difference between Ze and Zs.</p><p></p><p>you NEVER as I said EVER rely on the RCD, unless you are a fool.</p><p></p><p>you rely on your disconnection time as per MCB disconnection curve.</p><p></p><p>maybe you still have a voltage trip in your house.</p><p></p><p>or can you tell me one single benefit of a TN system over a TT system.?</p><p></p><p>(apart from being simple for an installation but more complicated for proper earthing) just ask anyone with a recording studio or serious ham enthusiast.</p><p></p><p>this is one of the most serious aspects of electrical installations and most people in UK/England just accept what DNO/OSG/BS or whatever say without question or education.</p><p></p><p>I shall await your reply with enlightenment.</p><p></p><p>Albert.</p></blockquote><p></p>
[QUOTE="steptoe, post: 11734, member: 7"] well give us the full theoretical fault then and we will try the touch voltage test and see if it passes. I think you may be misunderstanding the difference between Ze and Zs. you NEVER as I said EVER rely on the RCD, unless you are a fool. you rely on your disconnection time as per MCB disconnection curve. maybe you still have a voltage trip in your house. or can you tell me one single benefit of a TN system over a TT system.? (apart from being simple for an installation but more complicated for proper earthing) just ask anyone with a recording studio or serious ham enthusiast. this is one of the most serious aspects of electrical installations and most people in UK/England just accept what DNO/OSG/BS or whatever say without question or education. I shall await your reply with enlightenment. Albert. [/QUOTE]
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