One of the sockets in the bathroom used to be easy to use when plugged into the hot water circuit, b

Have you dismantled it before, maybe it's the fire wire and the zero line are reversed, or maybe the current line can't be eaten, (unlikely) Speaking of the kitchen, the bathroom lines are separate, even if the line of 2.5 is also eaten! The rice cooker jumps as soon as you check it may be the reason for the line of the rice cooker, and there are many such cases!

It may be that the wires of the socket are too small, and this situation will occur when encountering a large current!

The water heater is broken, let's fix the water heater. You can try using a plug-in board to bring electricity from somewhere else.

The possibility of leakage of electrical appliances is greater, so find an electrician to measure it with a meter.

Now the socket wire of the bathroom and kitchen of the new home is 4 square millimeters of copper wire, the socket is 16A majority, the water heater in the bathroom can be plugged into the water heater with the socket on the socket near the bathroom bedroom or living room, to see whether it trips, the living room and bedroom is a loop, but not with the bathroom is a loop, if it is still tripped, it means that the water heater has a grounding point, find a professional electrician to repair.

The insurance of the rice cooker needs to be replaced.