On 05/01/2018 10:57, Dave Plowman (News) wrote:

With 3&E in domestic use, I'd not assume what any of the colours are used
for anyway.


That was made worse with the new colours when old timers used the black
as the neutral and the grey as switched live.

I would however say that over 99% of the work I see now has the black as
the switched live.



--


Adam