For 6mm2 T&E, I might possible use individual 20mm oval conduits, 1 for every of the two cables, but I'd guess you'd want 32mm oval conduit it you really needed to place equally in one size. Many thanks Pete. This can be a stated developing so I am literally not https://cruzlcqfe.alltdesign.com/everything-about-mini-trunking-49115674