@tryst that happened when we got out new oven as well - apparently there's an issue where, if they sit in a warehouse a while, might end up a touch more moist than they can handle, and they basically need to sit on a bench supply for a while to dry themselves out... hopefully it's just that :)
@leinir Bench supply, as in put DC through the elements?
@leinir It did the trick. It's no longer tripping the RCD. Insulation resistance is still a little low, but it is improving with each use.