Hi
I have a 10.8kW induction hob supplied by a 6mm sq PVC coated 2 core cable direct from a 40A MCB, which is protected by an RCD. The cable is clipped to a timber joist with mineral wool fitted to the side of the cable along its full length.
From what I have read this cable is down rated to 32A for this installation. Is this correct ?
I also understand that the theoretical maximum current which could be drawn by the hob is 10800/230 = 47A.
By applying diversity the hob would typically be expected to draw 10A + 30% of 37A = 21A.
In your opinion was 6 mm sq the correct choice of cable as 21A is easily counducted or should 10 mm sq have been used ?
Should be 40A MCB be reduced to 32A ?
Cheers
I have a 10.8kW induction hob supplied by a 6mm sq PVC coated 2 core cable direct from a 40A MCB, which is protected by an RCD. The cable is clipped to a timber joist with mineral wool fitted to the side of the cable along its full length.
From what I have read this cable is down rated to 32A for this installation. Is this correct ?
I also understand that the theoretical maximum current which could be drawn by the hob is 10800/230 = 47A.
By applying diversity the hob would typically be expected to draw 10A + 30% of 37A = 21A.
In your opinion was 6 mm sq the correct choice of cable as 21A is easily counducted or should 10 mm sq have been used ?
Should be 40A MCB be reduced to 32A ?
Cheers