changing the subject ever so slightly, but when did crabtree change the terminal connection layout on the switched fused spurs?
They used to be L and N (in) at the top, with L and N (load) at the bottom, then with a seperate earth terminal on the side.
I picked a couple up from wholesaler the other day and now across the top you have something like earth, N (in), L (out), L in, earth and then a N (out) at the bottom. Doesnt really seem a very good layout at all and so I will be sticking with Deta which are much better and slightly cheaper!