1. The zero line and the ground line are different concepts, not the same thing.
2. The ground potential of the ground is zero. The nearest point of the appliance used is grounded.
3. The ground potential of the neutral line is not necessarily zero. The nearest ground point of the neutral line is at the substation or the transformer that supplies the power.
4. The zero line sometimes has an electric person. When is it? When your electric stove is not hot, don't think that there is no electricity, no electricity, wrong! There may be such a possibility that the N line is disconnected from the place where your electrical appliance is very awkward. It will be found with a voltmeter that the LN line of the electrical appliance is the voltage of the mains!
5. The ground wire will not be an electric person, unless it is a bad situation, the designer does not understand, or the product is messed up!
6. If you have a neutral or ground wire in your circuit, you will find a high withstand voltage capacitor in between.
Capacitor Motor,Furnace Capacitor,Start Capacitor,Capacitor Start Motor
Wentelon Micro-Motor Co.,Ltd. , https://www.wentelon.com