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  1. lannoy

    Busbar Insulation Resistance Testing

    I am re-utilising previously idle and dismantled 11 & 33kV switchgear. Will conducting Insulation Resitance (IR) test at 500V give me an indication of the likely condition of the busbar insulation, if so what value would be an acceptable IR reading? I would of thought >100 Mohm I will of course...

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