I just love the way these types of threads (d)evolve.
The OP's original requirements soon get lost as the posts degenerate into a global pissing match as to who has used what terminology wrongly or not quite provided an explanation that delves into the minutiae of science.....
....hours of (worthless) entertainment.
Anyway can you desist long enough for me to go and buy some more Popcorn please....
:-)
What do you mean you wanted it on the other wall - couldn't you have mentioned this when we prewired?