Yes, in the long run. The 220 volt unit will use less power.
no.
Only use 110-120 volt appliances on a 110 volt socket.
Yes
NO
no
115 Volt and a 110 Volt can be treated as the same thing. The electrical voltage supplied from your electric company is not exact and can be 120 Volt + or - 10%.
To wire a 230 volt contactor with a 110 volt coil, you need to connect the 110 volt power supply to one terminal of the coil and the neutral wire to the other terminal of the coil. Ensure that the contactor is rated for use with a 110 volt control circuit. Additionally, verify the wiring diagram provided with the contactor for proper connection details.
No, the applied 110 volt is too high for a 3 volt appliance. The appliance would burn out right away.
Yes.
Yes.
can you plug a 115 volt into a 110 volt
temporary it blows or KABOOOMM....