The wire termination board is 106mm x 46mm with 5 fixing holes. It can accept all size of cable to 32/0.2mm, 2.5mm miniature 2 way and 3 way plugs, and 2way to 6 way rising clamp terminals – all at the same time. Common terminals can be increased from 2way to 8 way 
The CN164 has 14 twin 6 Amp terminals for joining wires from different points on the layout. A 3way terminal block connected to 1.3mm pins on a 5mm grid for plugging rising clamp terminals. A 3way terminal block connected to 0.8mm pins on a 2.5mm grid for miniature 1, 2 or 3 way plugs