I am not suggesting the installers did a bodge job.
I would guess they had the manufacturers instructions to hand when it was installed, which showed that installation without a neutral connection may be acceptable, then realising the busbar was short went with that method of installation.
However in this particular instance the neutral connection may be highly desirable.
I am not suggesting the installers did a bodge job.
I would guess they had the manufacturers instructions to hand when it was installed, which showed that installation without a neutral connection may be acceptable, then realising the busbar was short went with that method of installation.
However in this particular instance the neutral connection may be highly desirable.