Thread
:
RCD tripping with mains saw
View Single Post
#
19
Posted to uk.d-i-y
Andy Burns[_13_]
external usenet poster
Posts: 7,829
RCD tripping with mains saw
Jack Lawson wrote:
6ft radial
For a 20A type C MCB, the maximum Zs is 1.15 ohms to ensure 0.4s trip
time, I think it's fair to say 6' of 2.5mm^s cable meets that
comfortably, 60 metres would be getting marginal!
Reply With Quote
Andy Burns[_13_]
View Public Profile
Find all posts by Andy Burns[_13_]