On 31/07/2019 01:07, Swer wrote:


"Andy Burns" wrote in message
...
wrote:

a radial is only rated to 20a whereas a ring main is rated to 32a
which is a better choice for high load areas

I could understandÂ* either a 32A ring (or 4mm^2 radial) for
kitchen/utility, but high current for TV kit?

Could be useful for emergency fan heaters on boiler failure.

Perhaps he has one of those 4.5 kW audio systems that was discussed
earlier (perhaps in uk.rec.audio)

I thought high integrity earthing was only required where multiple
appliances with greater than 10mA leakage were expected?