In message
, Jim
K writes
On Nov 12, 7:19 pm, geoff wrote:
In message
, Jim
K writes

Hiya
PCB fuse has 240v either side via me multimeter...

240V potential measused against what?

erm... the earthed casing

Repeat after me

"I AM A VERY NAUGHTY BOY AND I SHALL NEVER MEASURE MAINS VOLTAGES WITH
RESPECT TO EARTH AGAIN"

--
geoff

duly repeated ;))

ah the depth of my experience in this domain surfaces ;))

any suggestions how I can more usefully proceed?

Well, I've not actually been following this thread

You could start by making measurements wrt neutral which would yield
meaningful results


--
geoff