I’m trying to find out what might have happened to cause my domestic batteries to drain on a boat that I own. The EHU cable (shore-line in boating terms) was plugged-in with the cover vertical, rather than going into the inlet, so that a poor connection resulted. An RCD tripped in the bollard, leaving all power demands to be taken from the batteries instead. I’m trying to understand what would cause the bollard RCD to trip as I’m not convinced that a poor plug-socket connection should do that.
Maybe someone has experienced similar?
And, if there is more than one RCD along a supply line, could more than one trip?
Maybe someone has experienced similar?
And, if there is more than one RCD along a supply line, could more than one trip?