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Student & Learning Zone - City & Guilds
guide to the 2392
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<blockquote data-quote="ADS" data-source="post: 119124" data-attributes="member: 7231"><p>I'm sorry, meerkat, this is totally wrong and must be corrected for anyone else reading it<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>Live Polarity of supply is tested and confirmed immediately after the dead tests, <strong>before</strong> the installation is energised.</p><p></p><p>The reason for this is that if the DNO fella had a bad day and got it wrong, you will know before you energise your installation.</p><p></p><p>Therefore it cannot be confirmed during Zs tests or Rcd tests or with a socket tester - as this will be too late as you're already energised.</p><p></p><p>The other 'live' test that has to be performed <strong>before</strong> energising the installation is Ze, to confirm the supply earth path.</p><p></p><p>Hope that clears things up<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big grin :D" loading="lazy" data-shortname=":D" /></p></blockquote><p></p>
[QUOTE="ADS, post: 119124, member: 7231"] I'm sorry, meerkat, this is totally wrong and must be corrected for anyone else reading it:) Live Polarity of supply is tested and confirmed immediately after the dead tests, [B]before[/B] the installation is energised. The reason for this is that if the DNO fella had a bad day and got it wrong, you will know before you energise your installation. Therefore it cannot be confirmed during Zs tests or Rcd tests or with a socket tester - as this will be too late as you're already energised. The other 'live' test that has to be performed [B]before[/B] energising the installation is Ze, to confirm the supply earth path. Hope that clears things up:D [/QUOTE]
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guide to the 2392
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