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Minor works certificate for changing fixed equipment.

wessex
My question relates to changing extensively like for like current using equipment. For instance changing down lights for integrated LED type with subsequent tests and form filling.

In the description of minor works being clear that the new fittings are being connected to existing wiring.

Then for testing. R1 + R2 with polarity check, straight forward enough. Then to insulation tests. Would disconnection of new fittings to undertake the LL be pointless as not part of an initial verification as an existing circuit and a LN linked to earth test more appropriate, possibly at 250V as fittings maybe sensitive to a 500V test. Given that if no limitations allowed, is N/A appropriate for the LL test. You would not be taking responsibility for the installation of the wiring, but checking it's suitability in relation to load and protective device, are the suggested tests adequate for checking suitability for continued use and also leaving the circuit no less safe then when you started.

Your thoughts please.
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    Yes. All very good points and thank you.

    I understand what you find during the work could determine the testing, but the form filling is also a big part. The BS7671 minor works form is a little limited on space so was looking to keep box ticking to a minimum. In the past I’ve listed a limitation to sensitive connect electrical equipment, so LN to earth test at 250V as per part six. Perhaps the minor works does not have to be so rigorously adhered to as an EIC.
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    Yes. All very good points and thank you.

    I understand what you find during the work could determine the testing, but the form filling is also a big part. The BS7671 minor works form is a little limited on space so was looking to keep box ticking to a minimum. In the past I’ve listed a limitation to sensitive connect electrical equipment, so LN to earth test at 250V as per part six. Perhaps the minor works does not have to be so rigorously adhered to as an EIC.
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