NOT KNOWN FACTS ABOUT ROUND CONDUITS

if it’s materials and labour Obtain your sparky to get conduit. If he purchases a lot of he can continue to keep the excess.For 6mm2 T&E, I might very likely use different 20mm oval conduits, a person for each of The 2 cables, but I would guess you would require 32mm oval conduit it you truly wished to set both of those in a single size.Thanks Pe