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Do-It-Yourself (DIY) Question & Answer Forum
Low IR reading on ring main
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<blockquote data-quote="green-hornet" data-source="post: 86634" data-attributes="member: 2683"><p>I always disconnect everything from a ring main to do the IR test. I also switch off all fused spurs on the circuit. Neon indicators will give or rather interfere with IR tests, as will any appliance left pluged in.</p><p></p><p>I can see your concern, especially when it is the first time you have tested this way.</p><p></p><p>Out of interest my tester will not allow a full 500v down the line if anything is detected as using power, this is often my way of finding lost or covered up sockets etc.</p></blockquote><p></p>
[QUOTE="green-hornet, post: 86634, member: 2683"] I always disconnect everything from a ring main to do the IR test. I also switch off all fused spurs on the circuit. Neon indicators will give or rather interfere with IR tests, as will any appliance left pluged in. I can see your concern, especially when it is the first time you have tested this way. Out of interest my tester will not allow a full 500v down the line if anything is detected as using power, this is often my way of finding lost or covered up sockets etc. [/QUOTE]
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Low IR reading on ring main
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