Hello guys.
To accomodate a new 16amp / 3.5Kw oven, I have laid a 6mm T/E from my consumer unit to a new 45amp cooker switch, going onto a CCU.
There is a spare 16A MCB in the consumer unit but my calculations tell me I need a higher rated (19) MCB.
I = 3500 / (230*0.8) = 19.02
Can some...