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Yes 220 & 240 are considered the same.
Yes <<>> In North America, a three wire 120/240 volt system uses a neutral wire. For 240 volts two "hot" wires are used with no neutral.
For a 30 amp 240 volt circuit, a wire size of 10 AWG should be used.
Change the cord/plug on the stove to a four wire cord/plug. When installing the new plug remove the grounding strip that connects the center lug in the stove wiring block to the frame of the stove. Connect the white wire from the new plug to the center lug. Connect the green wire from the plug to the stove frame.
To connect a compressor with a 240-volt 2-wire feed to a 3-wire generator, you will need to utilize two of the generator's wires (typically the two hot wires) and leave the neutral wire disconnected. Ensure that both wires from the generator are connected to the compressor's terminals according to its wiring diagram, ensuring proper polarity. Additionally, make sure the generator's output matches the compressor's voltage and current requirements to avoid damage. Always follow electrical safety guidelines and consider consulting a qualified electrician if unsure.
For a 240 volt 40 amp circuit, the appropriate wire size is typically 8 AWG (American Wire Gauge) for copper conductors.
It could if you don't get the terminals and motor wires on the correct terminals.
It depends on the voltage, but if you are using it on a 240 v system, it's quite OK to use wire that can take 600 v (if you had to buy the wire, you would be spending too much).
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For a 40 amp 240 volt circuit, a wire size of at least 8 AWG (American Wire Gauge) should be used to ensure safety and proper functioning of the circuit.
You can't. The 120 volt GFCI is probably just a 2-wire (hot, neutral and ground) You would have to run a new 3-wire (2 hots, neutral and ground). The two hots are how you get the 240 volts (120+120=240). Also you must make sure the wire is gauged properly. #10 wire for 30 amps, #12 wire for 20 amps, etc.
Use the 4 wire if possible. You would only use a 3 wire for an old appliance.You shouldn't if possible. The 3 wire has no neutral wire as the 4 wire does. Som applications require the use of a 3 wire and some don't.