only the iMac and the mac Pro
To use a Japanese light bulb (100V) in Malaysia (240V), you will need to use a step-down transformer to convert the voltage from 240V to 100V. This will allow the light bulb to function properly without being damaged by the higher voltage. Make sure to use a transformer that is rated for at least the wattage of the light bulb to ensure safe operation.
both
yes
There will be no problems as the Mac laptops are designed to work internationally with a line voltage ranging from 100V to 240V.
Do you mean a 220V as in a power in Europe? Then,Check your adaptor. It will tell you the input voltage. If it sates that the range of the input voltage in 100V-240V then YES you can plug in your adapter into a 220V outlet.Please note that some people advise that you plug in the adapter into the power before plugging it into the computer.
as much as your mum eats grapes
No, it is not safe to substitute a 10A 250V plug with a 6A 240V plug. The ampere rating of the plug needs to be compatible with the device's power requirements to avoid overheating or damage. It is recommended to use a plug that matches the original specifications of the device.
Yes.
Its on the specifications of the device you will plug
There will be no problems as the Mac laptops are designed to work internationally with a line voltage ranging from 100V to 240V.
There are no adptors to plug a 240v plug into a 120v receptacle. 240v requires two hot wores and a neutral and ground. 120v requires one hot wire, a neutral and a ground. If you have something that runs on 240/120 you need the cord and adaptor that came with the equipment as you willl need the wires to mate up accordingly.