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RCD TRIPPING after hoover gets plugged in
- Thread starter Yanni
- Start date
Indeed. Both RCDs see an imbalanced current flow, one on the live, the other on the neutral. Unless, as Martygturner suggested, the neutral somehow ended up on the non-RCD neutral bar.
When two RCD's, are in series, and an imbalance occurs, either rcd can trip, it will be a race situation - the first to trip, will then remove the imbalance. I have never known both in series to trip, but I suppose it might be possible.
What do you mean by 'in series'?
If a circuit neutral is placed in the neutral bar of the another RCD then they will both trip.
Just imaging placing one RCBO's circuit neutral in the neutral terminal of another RCBO.
In this thread, I, and presumably Ragnar, didn't think about a third neutral bar - high-integrity board.
If a circuit neutral is placed in the neutral bar of the another RCD then they will both trip.
Just imaging placing one RCBO's circuit neutral in the neutral terminal of another RCBO.
In this thread, I, and presumably Ragnar, didn't think about a third neutral bar - high-integrity board.
Maybe the wrong word, but the situation described above, where either one of two RCD's could potentially trip, as soon as an item were plugged in, and switched on.
Exactly, which was as I said - just one RCD trips.
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But both should trip, as both have an imbalance.
They both trip in the video he posted
Only when a tripped RCD, is manually reset, do both trip. Do both trip, if both are successfully reset, with vacuum unplugged, then the vacuum plugged in - I suspect not?
Sorry if I have confused everyone - I obviously misread something somewhere.
Still not exactly sure of the situation.
Still not exactly sure of the situation.
,
The imbalance disappears, as soon as the first (most sensitive) one trips, so with the imbalance removed, why would the second one trip?
My outdoor supply, feeding garage, workshop, summerhouse, and several sockets, is fitted with a self-contained RCD, at the garage end. I added an RCD at the house-supply end, leaving the second. I sometimes do, accidentally, cause the RCD, one, or the other to trip.
Which one of the two which trip, is completely random. I don't recall ever having both simultaneously trip.
That's not the same as a neutral in the wrong bar.
Move one of your neutrals and see what happens.
No, but the result is the same, just one RCD tripping..
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