That's fine if the quality is there , some of the light fittings already have them . Powerforce ( I think that is the correct name) showers used them year and years ago . They are nothing new.Surely most 2nd fix gear is abit outdated tho? I would be happier to see more push fit terminals or lever terminals.
Suppose it wouldnt work when people try cramming 4 lives into a sw
Any electrical driver really , Ok to take them out after loosening them manually, except if they are expensive metal ...Are we really that much in a rush we have to use an impact drill driver to tighten terminals and face plate screws