Need help i have just put in a fish pond and got 4 gang weatherproof to run 2 pumps 1 uv filter and a set of lights. just unsure on how to wire them all up on the back of the switches they have 1 com 1 L1 1 L2. In which port does the live go into and where does the netural wire go into and were does the live and netural go from the pumps, filter, and lights they are all 3 core wire i know were the earths go but unsure were the rest go any help would be very helpful 