James Ogden wrote:
>
> A circuit breaker isn't a fuse...
>
> ...and a fuse doesn't blow at the stated current either - it normally
> takes 150% for a second or something (there are British standards and
> things)
>
>
I have passed the 16th Wiring Regs and modern mini circuit breakers
(type B) trip between 3 and 5 normal full load current, within 100ms.
Anything greater than that will blow the 13A BS1362 fuse in the plug and
trip the MCB. The MCB will often trip on a lamp blowing. The RCD
tripping is likely to be the PSU shorting to earth.
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