Quote Originally Posted by Pharos View Post
This thread has just reminded me that the BBC used to use thick mic. cable for feeding mains into amplifiers, I remember baulking at it, but great care was taken with insulation of the screen from the rest.
In the past I have used 'heavy duty' two-core screened cable for mains cables, but these days I prefer not to rely on the screening alone for the earth continuity conductor, and so now use three-core screened cable with the screening connected to the third core at the mains plug.