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    3kW heater - 2.5mm T+E - 32A MCB?

    Good Morning All. Emergency call to local charity shop yesterday due to "no heating". 3 x 3kW "curtain heaters" on site, 4 of these on individual 16a MCB with 2.5mm T+E to 20A control switch...happy days, replace damaged control switch for 2 of these which had been damaged by being knocked...
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    Fault finding lights

    Good morning all. Would appreciate your thoughts on the following. Call out yesterday to 1970's domestic property with 50% of ground floor lights not working, no MCB trip (lights not RCD protected). I was hoping for a relatively straightforward binary search, checking at ceiling roses for a...
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    EICR - Structural Steel Main Protective Bonding

    EICR on commercial premises approx 8 yrs old. Structural steel is confirmed by test as extraneous conductive part. No EIC / paperwork available. MPB to gas / water services confirmed visually and by measurement - 1 continuous conductor serves both. Unable to visually locate MPB to structural...
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