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Do-It-Yourself (DIY) Question & Answer Forum
minor works testing
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<blockquote data-quote="ProDave" data-source="post: 416562" data-attributes="member: 6969"><p>You can do an R1+R2 without isolating the whole board. And you can do an IR test on the cable to the water heater (depending on the design of the board if it's safe to remove the N for that circuit while the rest of the board is still live) And what's stopping you confirming polarity?</p><p></p><p>You can do a loop impedance test on the supply (which needs it on anyway) so there you have Zs</p><p></p><p>Granted those will be a bit of a ****** to do if they haven't given you any test equipment, but then you won't be able to prove dead so won't be able to do any work then will you?</p><p></p><p>Tell them to give you the tools to do the job properly.</p></blockquote><p></p>
[QUOTE="ProDave, post: 416562, member: 6969"] You can do an R1+R2 without isolating the whole board. And you can do an IR test on the cable to the water heater (depending on the design of the board if it's safe to remove the N for that circuit while the rest of the board is still live) And what's stopping you confirming polarity? You can do a loop impedance test on the supply (which needs it on anyway) so there you have Zs Granted those will be a bit of a ****** to do if they haven't given you any test equipment, but then you won't be able to prove dead so won't be able to do any work then will you? Tell them to give you the tools to do the job properly. [/QUOTE]
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