Yes.
The voltage has nothing to do with the gauge of wire needed to supply a given circuit. The size wire is determined by the amperage of the overcurrent protection device (circuit breaker, etc.) being used to supply power to the circuit.
Four core armoured cable would be used in a circuit carrying 240 Volts 60 Hz AC that is installed in a location where it could get damaged, such as underground or under water. The 4 cores in the armoured cable would be used as the following conductors for the 240 V 60 Hz circuit: * "Red" hot (120V above Neutral)* "Black" Hot (120V below Neutral)* "Neutral"* "Ground" to protect the circuit, connected to the main incoming supply panel which feeds the circuit.
No, it is not safe to use a 600V fuse in a 120V circuit. The fuse voltage rating should be equal to or greater than the circuit voltage to ensure proper protection. Using a higher-rated fuse can lead to safety hazards and may not provide adequate protection for the circuit. It is recommended to always use the correct voltage-rated fuse for the circuit.
A 14 gauge wire is typically used on a 15 amp circuit breaker. It is not recommended to use a larger circuit breaker with a smaller wire size as this can create a fire hazard.
A. It's 240 volts & B. Wire size is a function of amperage. 12-gauge wire is used with 20 amperes or less. So, 12-gauge wire can be used with 120V/20A or 240V/20A. Keep in mind though that 240V in the U.S. has 2 live 120V lines so if you encounter a white wire, it's probably an unmarked live & should be repainted as black or better yet, red (to indicate the 2nd live wire).
For a 15 amp circuit, a 14-gauge wire should be used.
10 gauge
For a 30 amp 220v circuit, a 10-gauge wire should be used to ensure safety and proper functioning of the circuit.
For a 20 amp 220v circuit, a 12-gauge wire should be used to ensure safety and proper functioning of the circuit.
For a 30 amp circuit, a 10-gauge wire should be used to ensure safe and efficient electrical flow.
For a 40 amp circuit, a 8-gauge wire should be used to ensure proper electrical safety and performance.
For a 60 amp circuit, a 6-gauge wire should be used to ensure proper electrical safety and performance.
For a 220v electrical circuit, a wire gauge of at least 10 AWG should be used to ensure proper safety and efficiency.
For a 100 amp electrical circuit, a wire gauge of at least 4 AWG (American Wire Gauge) should be used to ensure safe and efficient electrical conductivity.
For a 100 amp electrical circuit, a 4-gauge wire should be used to ensure safe and efficient power transmission.
For a 220V 30 amp circuit, a 10-gauge wire should be used to ensure safe and efficient electrical conductivity.
For a 40 amp circuit, a wire gauge of at least 8 AWG should be used to ensure safe and efficient electrical conductivity.