I have a water heater point and I would like to piggy a water pump to the same outlet. My country's voltage here is 240V 50/60hz. I prefer not to add new wiring as it very costly.
My water heater is running 3.3kw with 13.8(A) and the power outlet is a 15(A) with a 20(A) circuit breaker. Existing wire is inside the outlet is 2.5mm.
The water pump that I want to install is running 300 watt, the shop mention that it should be less 2(A).
Can I piggyback or add another outlet to this one?
(As second option, the shop mention that I can divert out from the light outlet instead since the water pump has low amperage. Not sure which is a better option.)
The location of this heater is in my 2nd floor bathroom and is plug to a receptacle inside the bathroom. The water pump that I want to install is about 3 to 4 meter away just out my bathroom window.
My piggyback mean, I would like to one of:
Hard-wire the pump wire directly into my heater's receptacle (unfortunately not to breaker because is too far and existing wires are all hidden inside the concrete walls),
Add another receptacle from my existing heater receptacle, or
Add another receptacle (similar to point 2) but from my existing lighting point since the pump has low amperage.
Note : whether is hard wiring or adding new receptacle, both will be inside a conduit pvc pipe and running outside the wall. I understand that my heater receptacle is directly hard wire to the breaker with no looping to others. However, for the lighting point mention above, there are other lighting point sharing the same breaker. Both breaker are 20A.