For the tool to meet doubleinsulation safety standards it must be marked on the case 'double Insulated.
对于符合双重绝缘安全标准的工具,必须在其外壳上标注“双重绝缘”字样。
2
Parts connected by protective impedance shall be separated by doubleinsulation or reinforced insulation.
应采用双重绝缘或加强绝缘将由保护阻抗连接的各个部件隔开。
3
Double insulate all electrical connections that an operator could touch. Doubleinsulation ensures the operator is still protected, even if one insulation layer fails.