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AWG 10.
6 AWG.
As a service entrance wire you need AWG # 3/0 gauge copper.
To answer this question a voltage needs to be stated. Wire is sized by the amount of amperage the load takes. W = Amps x Volts. Amps = 650/ volts.
6 gauge if it is a very short distance.
AWG 10.
The only way to determine the cable wire size needed for a 1000 watt air conditioner is to find the load size. To get the load size you will need to use the formula Amps = Watts or Volts. With that being said, you will need a number 14 copper wire.
You would need to use a wire size that is rated for at least 40 amps to be safe and to meet the requirements of the air conditioner. A common wire size for this application would be 8 AWG copper wire, which is rated for 40 amps.
6 AWG.
Cable sizing is based on load amperage. The formula you need to use is Amps = Watts/Volts. Amps = 1000/220 = 4.55 amps. A #14 copper wire with a insulation factor of 60, 75 and 90 degrees C is rated at 15, 15 and 15 amps respectively.
Look on the heater and see what amps it is pulling. That will determine the wire size and breaker size. It must be on a dedicated circuit. 15 amps = AWG # 14 wire with 15 amp breaker 20 amps = AWG # 12 wire with 20 amp breaker 30 amps = AWG # 10 wire with 30 amp breaker 40 amps = AWG # 8 wire with 40 amp breaker
10 gauge
As a service entrance wire you need AWG # 3/0 gauge copper.
For a 3-phase 80A 220V load with an amp rating of 68, you would need a wire size of at least 4 AWG conductors. It is recommended to consult with a qualified electrician or refer to the NEC guidelines for specific wire sizing requirements based on your installation conditions.
To answer this question a voltage needs to be stated. Wire is sized by the amount of amperage the load takes. W = Amps x Volts. Amps = 650/ volts.
Use AWG # 3 copper.
Almost any size wire will handle the 4.2 amps. BUT...as with any wiring, you must look at the over current device to determine the proper size. You need to determine which fuse in the fuse panel protects that circuit and use a wire that is appropriate for that size fuse.