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I want to swap a ceramic hob for another model. My current set is: oven and a hob rated at 2075+6000=8075W in total ,they go through a 32Amp Circuit breaker, the oven is plugged to the wall, the hob is hard wired. The new hob is 6500W, 2075+6500=8575W this should be fine considering circuit diversity. Is this a straight job (wire the new hob) or should I get an electrician to actually upgrade the circuit breaker?

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  • 8575 watts at 220 volts is 38.9 amperes. More than a 32 amp breaker.
    – Jeremy
    Mar 30, 2015 at 20:58
  • Not familiar with foreign codes, but the US NEC requires (in a footnote to a table, no less) that the amperage ratings of the hob and oven be summed and used as the branch-circuit load for the case where a single hob and up to 2 ovens are tapped from a single branch circuit.
    – ThreePhaseEel
    Mar 31, 2015 at 0:55

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Straight up. If you only work on the cooktop and do not go into the wall circuits, fair game.

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  • Ta, I can't up-vote since I'm not registered, but.. Up-vote
    – James
    Mar 30, 2015 at 11:48

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