On 13/02/2019 23:42, Roger Hayter wrote:
Does anyone know of a readily available connector to directly connect
some 10mm T&E to 2.5mm T&E, that will go in a reasonably small box? I
suppose I could use just some of the strands, but that would be rather
poor practice. The best I have thought of (and have) is a surplus DIN
main switch, left on of course. Any superior ideas?

https://www.toolstation.com/60a-junction-box/p98775

Not sure the cable size entry.