I bought an electric heater such as this one:
The manual mentions this part:
The heater should not be connected to adapters or an outlet multiplier.
The heating device should not be placed below an outlet power socket.
I translated it from Portuguese:
A escalfeta não deve ser ligada a adaptadores ou fichas triplas.
O aparelho de aquecimento não deve ser colocado por baixo de uma tomada de corrente de posto fixo.
This was probably automatically translated itself since two expressions have no definite meaning ("adaptador" and "tomada de corrente de posto fixo").
I imagine that the first recommendation refers to the practice of "daisy-chaining" outlet multipliers to one another. I have been using it on an extension cord with a multiplier connected to a power outlet. It has been working fine. I'm not sure about the second recommendation.
What do the recommendations mean, and why?
Update with details on volts, amperes, and watts
The power strip (made in Germany) says
3680 W, 16 A, 250 V~. Appliances currently connected are:
- the electric heater mentioned above:
230 V, 50 Hz, 70 W
- an upright heater:
220-240V, 50 Hz, 2000 W
- a laptop:
Input 100-240 V~, 1A, Output 14.85V, 3.05A
- a USB charger:
Input 100-240V, 50-60 Hz, Output 5V, 0.5A
- a monitor:
Input 100-240V, 0.7A, 50-60Hz, Output 14V, 2.14A
- a desktop with a C13 connector:
10A, 250 V~
It seems to me that, for the first recommendation, I should be fine to use all of these at the same time, except for the desktop and the upright heater which both take over 2000 W. Is that correct?