How to connect the gasoline generator to the electrical box

I think:

First of all, it is better to use a digital generator to ensure the quality of power supply to avoid adverse effects on electrical appliances;

Second, the electrical box should not be in contact with the electrical box. Connect the networks together;

Simply choose a single phase for the three live wires of the electrical box, and connect them together with the neutral wire to the motor.

If the motor 'has no circuit breaker, take one yourself;

Notices are for reference only, pay attention to safety.

Using an electric pen to measure is the stupidest and most dangerous way, use a multimeter! ! ! ! You don’t even know what happens when your laptop shuts down! The multimeter can tell the difference by connecting a wire and a ground wire! ! ! ! Gasoline engines are all 220V, not 380V, unless you personalize them! Generator Professional