Yes, always, don't just ask us search for the Cybergibbons website!
But... anyone who knows anything about electrical work will know fixed wiring is just that and for everything else you should use flex, it's a bit of a fundamental and a really good way to spot amateur work, especially where flex is tacked around the room as an unfused fixed wiring extension to a 32A ring main by some idiot.
We do have a DIY section, but it is alarms that it was envisaged being used for. Your questions *are* valid, and were answered, but still demonstrate a potential to do something unsafe.