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Electrical Inspection & Testing Forum
Calculating Ze
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<blockquote data-quote="Sidewinder" data-source="post: 153521" data-attributes="member: 9512"><p>Sanny,</p><p></p><p>Zs will not equal Ze + R1+R2 due to parallel earth paths in the installation.</p><p></p><p>HSE DO allow and accept that live testing is required as long as it is done in a controlled manner.</p><p></p><p>I suspect that the H&amp;S personnel who have prevented you undertaking live testing are some of those I come across at IOSH who have no real grasp of electrical engineering.</p><p></p><p>I take every opportunity to correct them! O)</p></blockquote><p></p>
[QUOTE="Sidewinder, post: 153521, member: 9512"] Sanny, Zs will not equal Ze + R1+R2 due to parallel earth paths in the installation. HSE DO allow and accept that live testing is required as long as it is done in a controlled manner. I suspect that the H&S personnel who have prevented you undertaking live testing are some of those I come across at IOSH who have no real grasp of electrical engineering. I take every opportunity to correct them! O) [/QUOTE]
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