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Electrical Inspection & Testing Forum
Insulation resistance testing
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<blockquote data-quote="squat" data-source="post: 446440" data-attributes="member: 28134"><p>Hi guys </p><p></p><p>i was carrying out a insulation resistance test on a board today, the board is full of rcbo.</p><p></p><p>the company wanted me to carry out a erroneous connection test.when I did it I kept getting a low reading, the rcbo have a functional Earth on them .when I carried out a overall insulation resistance test between conductors and earth I got 2.43m ohms </p><p></p><p>why would this be happening is it because of the coil in the rcbo??????</p></blockquote><p></p>
[QUOTE="squat, post: 446440, member: 28134"] Hi guys i was carrying out a insulation resistance test on a board today, the board is full of rcbo. the company wanted me to carry out a erroneous connection test.when I did it I kept getting a low reading, the rcbo have a functional Earth on them .when I carried out a overall insulation resistance test between conductors and earth I got 2.43m ohms why would this be happening is it because of the coil in the rcbo?????? [/QUOTE]
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