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EARTHING FAULT

Can a earth fault on a lighting circuit effect another circuit , this being ring main , only two circuits in flat, After changing a light fitting i came across an earth fault on the lighting circuit , I thought i had sorted earth fault out but the other circuit in the flat started tripping , when the lighting circuit cpc is removed from earth bar , nothing trips both circuits power up. With lighting cpc in earth bar ring main trips, not on rcbos.
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  • Former Community Member
    0 Former Community Member
    Thomas Ward:

    Can a earth fault on a lighting circuit effect another circuit , this being ring main , only two circuits in flat, After changing a light fitting i came across an earth fault on the lighting circuit , I thought i had sorted earth fault out but the other circuit in the flat started tripping , when the lighting circuit cpc is removed from earth bar , nothing trips both circuits power up. With lighting cpc in earth bar ring main trips, not on rcbos. 


    Hi Thomas Ward, could you describe the earth fault that you came across initially and how it was rectified? Any pictures you have of the fuse box etc may help  :)


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  • Former Community Member
    0 Former Community Member
    Thomas Ward:

    Can a earth fault on a lighting circuit effect another circuit , this being ring main , only two circuits in flat, After changing a light fitting i came across an earth fault on the lighting circuit , I thought i had sorted earth fault out but the other circuit in the flat started tripping , when the lighting circuit cpc is removed from earth bar , nothing trips both circuits power up. With lighting cpc in earth bar ring main trips, not on rcbos. 


    Hi Thomas Ward, could you describe the earth fault that you came across initially and how it was rectified? Any pictures you have of the fuse box etc may help  :)


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