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Safe electrical isolation check before servicing boiler
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<blockquote data-quote="ProDave" data-source="post: 422542" data-attributes="member: 6969"><p>L is (normally) the one that will hurt or KILL you if you touch it, so it begars belief that you have been "taught" to "test for dead" without actually making any measurment form the boilers L terminal.</p><p></p><p>As already pointed out, to properly "test for dead" you need to take 3 measurements as already described from all 3 terminals. Preceeded and followed by "test your tester" (i.e make sure it actually works and reads a voltage when really live)</p><p></p><p>I would go back to your course priovider and ask for a refund because what they have taught you is somewhere between incompetent / dangerous and fraud.</p></blockquote><p></p>
[QUOTE="ProDave, post: 422542, member: 6969"] L is (normally) the one that will hurt or KILL you if you touch it, so it begars belief that you have been "taught" to "test for dead" without actually making any measurment form the boilers L terminal. As already pointed out, to properly "test for dead" you need to take 3 measurements as already described from all 3 terminals. Preceeded and followed by "test your tester" (i.e make sure it actually works and reads a voltage when really live) I would go back to your course priovider and ask for a refund because what they have taught you is somewhere between incompetent / dangerous and fraud. [/QUOTE]
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