Is 20mm the smallest sizing of galvanised metal conduit?
Cheers.
16mm rigid steel conduit used to be a thing, but I think you'd struggle to find it these days. Unless you have some weird use case, it's easier to stick to 20mm minimum, which is presumably why 16mm went out of fashion.
@gbj_tester started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Is 20mm the smallest sizing of galvanised metal conduit?
Cheers.