mapj1:
It was called 48A in the older withdrawn versions, then in 2001 it became
Table 41C (48A) – Maximum disconnecting times in the then new Electrical installations of buildings Part 4-41:
in the 2005 version it became Table 41.1 – Maximum disconnection times
As far as I know the numbers have not changed at all for years, and we are now in the 2017 edition.
The figures in the UK regs are a direct copy without the bits for 120V land.
From what I gather, the disconnection times were faster in 48A for certain locations by a factor of half.
mapj1:
It was called 48A in the older withdrawn versions, then in 2001 it became
Table 41C (48A) – Maximum disconnecting times in the then new Electrical installations of buildings Part 4-41:
in the 2005 version it became Table 41.1 – Maximum disconnection times
As far as I know the numbers have not changed at all for years, and we are now in the 2017 edition.
The figures in the UK regs are a direct copy without the bits for 120V land.
From what I gather, the disconnection times were faster in 48A for certain locations by a factor of half.
