Anyone know if its possible for a rooftop solar array to cause an RCD trip even when the solar circuit is isolated at its rotary isolator ? I've had no dealings with solar atall so wouldn't know . The solar circuit is in a split load RCD board. I'm assuming the solar install was bonafide as its on a fairly newbuild. Stray earth current leakage from the panel/inverter perhaps ??? is this a known issue with solar ?
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