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  • Would you recommend a C3 for no visibility of the earth spike/plate? 12

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  • Do you need a 10mm earth to an external oil boiler? Thanks in advance 4

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  • When testing for earth contiuity is a tester that only delivers up to 200mA OK in every situation or should an instrument that has a 10A or 25A be used with certain loads or in certain types of bonding? Is this stated somewhere in the regulations? 7

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