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Two high-power appliances on a single 40A RCD
Former Community Member
I have an electric shower installed on a 40A RCD, in a room adjacent to my kitchen. The shower is only used in an emergency - i.e. when our gas boiler is unable to provide hot water to our main bathroom. I would like to take a spur from this 40A connection to use for a new double oven, which is rated at 32A. Can anyone advise on a safe and legal way to do this, ensuring that only one of the two appliances can be connected at any one time?
433.1.1 [i] the rated current of the protective device is not less than the design current.
It is one thing to say something is not going to be used. It is still there and could be used. The kitchen fitter is being responsible; why should they take on additional risk?
The answer by Broadgage concerning "Shower priority unit" is a legitimate way to go. For legitimate, read sensible.
Circuit breaker as a "load limiter" is a bit rough; for the cavalier it may be a badge of honour , but really should have no place for installation work done for reward and done to some kind of standard.
433.1.1 [i] the rated current of the protective device is not less than the design current.
It is one thing to say something is not going to be used. It is still there and could be used. The kitchen fitter is being responsible; why should they take on additional risk?
The answer by Broadgage concerning "Shower priority unit" is a legitimate way to go. For legitimate, read sensible.
Circuit breaker as a "load limiter" is a bit rough; for the cavalier it may be a badge of honour , but really should have no place for installation work done for reward and done to some kind of standard.
