If you have 123 volt at the plug, this means that the voltage is a little high, or that the reading could have been taken at night when the system load was low. It is still safe to connect your appliances to it.
can you plug a 115 volt into a 110 volt
Use a volt meter Plug a 120 volt accessory into it
NO
Yes, we have a 230-volt plug adapter available for purchase.
Yes.
no
Depends on what plug you are asking about.
The bulb will be about half as bright.
no
No, the voltage difference is too high.
Potato. Not really a question is it?
Yes