On 28/11/2017 21:22, alan_m wrote:
On 28/11/2017 20:16, ARW wrote:



Probably a lightswitch!


Surely a light switch in this instance is likely to fail short with
welded contacts if the switched live was connected to neutral?


It will fail in whatever way it wants to:-)

I would say 50/50 in which way on my experience.

--
Adam