According to :
On 16 Apr 2007 20:38:57 -0700, Dom wrote:

I'm pretty sure this is against the code. Are you sure this can be
done. It would save a lot of time to make (and patch) holes at every
switch outlet to staple the wires to the joists.

You can verify this in the Canadian code but it is certtainly allowed
in the US NEC. The CEC is very similar.
The main reason you staple the wire is to keep it away from the
sheetrocker. Once the wall is closed up the chance of damaging the
wire is nil

It's the same in the Canadian code.
--
Chris Lewis,

Age and Treachery will Triumph over Youth and Skill
It's not just anyone who gets a Starship Cruiser class named after them.