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所谓接零保护就是电气设备的金属外壳接到电源的零线上。为此,接零保护系统中插座的接地孔,必须和电源的零线相连。使用图一接法的插座,虽然能达到电气设备
The so-called zero protection is the zero wire of the electrical equipment whose metal shell is connected to the power supply. For this reason, the grounding hole of the socket in the zero protection system must be connected to the zero line of the power supply. Using the socket shown in Figure 1, although it can reach the electrical equipment