On 22/11/2016 20:23, Roger Hayter wrote:
Andy Burns wrote:

Andy Burns wrote:

Jack Lawson wrote:

MCB swapped for Type C 32 Amps

32A? Properly you should use 4mm^2 with that.

Or make it a very short ring with 2.5mm^2

We've established upthread that the 2.5^2 is short enough.


Not short enough for a C type 32A MCB on a TN-S supply that is at the
upper limits of it's maximum allowed Zs.

--
Adam