Philip Wood:
In part 4 of the 'Minor Works Certificate' for RCD's it says you should use 'I∆n' and this should be the longest time it takes for the RCD to operate, or in other words the worst case scenario.
Philip Wood:
In part 4 of the 'Minor Works Certificate' for RCD's it says you should use 'I∆n' and this should be the longest time it takes for the RCD to operate, or in other words the worst case scenario.
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