it is not recommended because the 14 gauge wire is not capable of carrying the same amount of load as the 12 gauge wire which could result in a fire.
The ampacity or amp rating of all wire is rated by the size of the wire. NM (non-metallic sheathing) wire is no different. In household wiring 14 gauge wire must go on a 15 amp breaker/ 12 gauge goes on a 20 A and 10 gauge goes on a 30 Amp.
You would need to know the maximum watts and voltage you could generate then go from there. In home use you use 12 gauge wire at 120 volts to handle up to 20 amps. 14 gauge for 15 amps. If you're operating in 12 volt it's a different ballgame.
No, using the AWG system of measuring wire sizes the smaller the wire numbers go the larger the wire size becomes. Hence the number 14 is smaller that the number 16 so it is largest in size of the two wires.
For a 120V 20A motor, you would typically use a 12-gauge wire to ensure it can handle the current without overheating. This wire size is suitable for the amperage and voltage to provide proper insulation and safe operation for the motor.
If you want to go from a 14st gauge to a 12st gauge, you need larger sizes needles.
No. The wire size is dependent on the circuit protection. If the circuit uses a 20 amp breaker you need to run 12 AWG wire on all devices connected to that circuit.
I wouldn't, always safer to go heaver gauge. I recommend 8 gauge if you are going to be running any length of wire. Fire is never fun I believe the above answer assumes the question was meant to read, "30 amp 220 volt dryer." 12 gauge wire WILL NOT carry 30 amps safely. You need to run #10 copper minimum. It is never a bad idea to upsize, such as the recommended #8, but it is not necessary if 30 amps is what you need.
The NEC table 310.16 does not go that small. If there is a code requirement in your location, you must follow it. Otherwise, a recommendation I found suggests 11A for short in-chassis wiring, and no more than 1.5A for longer power distribution wiring. With wire this small, your current will probably be limited more by maximum permissible voltage-drop than a safety rating.
It depends upon the distance, but typically a short to medium run (0-50 feet) of 12 gauge can carry 20 amps safely. There are charts that list the gauge of wire and the length of runs that can carry amperages safely. For instance, a 12 gauge wire run 150 feet can only carry 15 amps safely instead of 20. The longer the run, you need to drop a gauge as a general rule.
8 gauge is very common and really all youll need but i prefer 4 gauge its alittle more spendy but its good. make sure the amp wire holders will fit 4 gauge if you go with that.
You can momentarily ground the power wire to the sending unit and the gauge should go to full.
Sorry, there is no such wire size as "30 gauge" in the AWG (American Wire Gauge) system. For the ampacity rating of all standard conductor sizes, go to Table 310-16 of the National Electric Code. If you mean what wire size will carry 30 amps then a #10 copper wire insulation rating of 90 degree C is rated at 30 amps.