tripping rcd

  1. 2

    Pump tripping rcd

    Just tested a rain water pump with my portable appliance tester & it tested ok (earthing & insulation resistance). Plug it into the power point & it trips the rcd as the pump starts. The power point is fine have meggered the wiring etc. Any ideas?:confused:
  2. K

    Oil filled radiators tripping RCD

    Just returned from callout to Old dear in village who had a problem with an RCD tripping. Checked circuits and discovered that she had just connected 3 oil filled radiators to ring circuit to "keep chill out" before having to use central heating. Oil filled radiators have not been used for 6...
  3. E

    Timeclock Tripping RCD

    I have a 6A C Type RCBO feeding a Horstmann 20A Timeclock and the switched-line operating AC1 on a 4P 24A contactor (NO). There are three lighting circuits going into the contactor, all fed from individual 6A B Type MCBs (on the RCD side of the DB). Why should the RCD sometimes trip when the...
  4. L

    Range cooker tripping RCD

    Came across this problem at weekend brandnew range installed 40amp mcb on RCD side of split load board. Cooker isolator is 2 gang with socket out let. The rcd trips when ovens are on I know the reasons but was wandering how you go on with regs as all i could do was move mcb over to none rcd side...
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