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They are passive rcds.  Data logger getting fit tomoz  And testing on the incoming supply already been done there already saying it's going to be a problem at my end in the park. The phases are balanced 1 phase 57 amp phase 2 48 amp and phase 3 36 amp. No there's no swimming pool and there is no...

All vans tested and work fine ,all the rcd in the vans are different and the rcd are tripping in the individual vans. There also time delayed 100ma rcd protecting the cable going to the homes too. Basically everything has an rcd but only in the vans that are tripping  can volt drop cause it as I...

I have tried and run out of ideas the park has 4 sub stations and 1 main unit if there a neutral fault then I would have thought it would be at the distribution room as that's the only place all the homes are connected but everything test out fine. Ib had the yedl out to make sure the supply is...

Yes it's the rcd in the homes that's tripping  and it's got me how most of them are tripping at the same time all around the caravan park there basically static caravans.  But all fed from different parts of the park

Hi all i have a problem on a park homes site the electric supply was upgraded 2 years ago due to the homes kept blowing the transformer. So a new 3 phase 130amp per phase has been installed, I have been working there for a couple of months know and a problem has been accurring before I started...