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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?
It is not illegal. It may be out of his comfort zone, which is fair enough, but then he should be honest about it. Be aware that wiring in bathroom zones (i.e within 60cm of the bath or shower cubicle ) requires notification under part P, and he may not be keen to get involved in that, or he may be worried that he gets called back if something trips.
If it was my house, and I know who will use it, I'd parallel them up and have a variation on the single line working token system for Victorian trains, - perhaps when the bar of soap is in the kitchen it is OK to cook, when someone takes it into the shower it isn't. Or a label on the shower for visitors - "check is anyone cooking ? Do not overload the trip !" Actually cooking is not as thirsty as folk often imagine - once initial heating is over the thermostat pings on and off and the average current is quite low. It is a cold start that is the problem.
It is not illegal. It may be out of his comfort zone, which is fair enough, but then he should be honest about it. Be aware that wiring in bathroom zones (i.e within 60cm of the bath or shower cubicle ) requires notification under part P, and he may not be keen to get involved in that, or he may be worried that he gets called back if something trips.
If it was my house, and I know who will use it, I'd parallel them up and have a variation on the single line working token system for Victorian trains, - perhaps when the bar of soap is in the kitchen it is OK to cook, when someone takes it into the shower it isn't. Or a label on the shower for visitors - "check is anyone cooking ? Do not overload the trip !" Actually cooking is not as thirsty as folk often imagine - once initial heating is over the thermostat pings on and off and the average current is quite low. It is a cold start that is the problem.
