In article ,
Dave Liquorice wrote:
People separated by a common language? "plug out" and "cross
normalling" must be an ITV terms for the BBC's "jack out" and either
"double innered" or "normalled" depending on how things are actually
wired.

Cross normalling is slightly more descriptive to an operator than double
innered which is the (BBC) engineering term. But it is an ITV term. And
you tend to refer to plugging up a jackfield rather than jacking it up
which sounds slightly rude.

--
*I didn't fight my way to the top of the food chain to be a vegetarian.

Dave Plowman London SW 12
RIP Acorn