On Wednesday, 29 January 2020 14:23:45 UTC, Tim Watts wrote:
Are there any cooker outlet plates that are more generous than normal,
because pretty sure 15mm isn't going to fit well in the average one.

Some kind soul wired my cooker point in 16mm2 cable.

Scolmore PRW217 45A says suitable for 10mm2 cable. Scolmore PRW218 is the surface pattress box if you need it.

Owain