In article ,
David Hansen writes:
However, the
30/32A protective device doesn't protect the spur cable properly.
Spurs are a balance of risks, as indeed is any other form of wiring.
If houses were bursting into flames regularly because of problems
with spurs there would no doubt be a change. There was a change many

The 32A MCB provides suitable fault current protection for 2.5mm²
T&E cable, and the BS1362 fuse in the plug or FCU provides the
overload protection for the 2.5mm² T&E. The cable is properly
protected, but the fault current and overload current protection
have been separated. This is permitted by the regs previding the
fault current protection is at the beginning of the circuit, and
the overload current protection is before any branches, which it
is in the case of a spur.

moons ago, because at one time spurs could feed two single sockets

14th edition regs.

--
Andrew Gabriel