That's the sort of thing that should be caught by the good workmanship and proper materials kind of rule - we shouldn't have to specify RCDs for that kind of lash up - otherwise we give credence to such practices (there are worse - twisted joints not taped - just staggered, or even three nails driven into a rafter in a barn in lieu of a joint box).
That's the sort of thing that should be caught by the good workmanship and proper materials kind of rule - we shouldn't have to specify RCDs for that kind of lash up - otherwise we give credence to such practices (there are worse - twisted joints not taped - just staggered, or even three nails driven into a rafter in a barn in lieu of a joint box).