In his builds, Ray Rimell will use 10 amp or 5 amp wire. Currently, I am working on a Camel and he showed use of 5 amp fuse wire for the cockpit control cables. I have used fuse wire before and the stiffness is ideal in some applications.
In the US, wire is sold and measured in terms of AWG, essentially how many lines would fill an inch. Is there a translation between AWG and UK amps? My other option is to go on ebay and Amazon to order a large quantity from the UK.