...义为在导体与导体之间或导体对地之间的交流电压峰值不超过42.4Vac或直流电压不超过60Vdc的二次电路;危险电压(hazardous voltage):交流峰值超过42.4Vac或直流超过60Vdc的电压.
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A good safety practice is to expect that hazardous voltage is present in any unknown circuit before measuring.
一个良好的安全实践是在测量之前假设所有位置电路上都存在危险电压。
Many electrical test systems or instruments are capable of measuring or sourcing hazardous voltage and power levels.
许多电子测试系统或仪器能够测量或灌入危险电压和功率电平。
This advanced packaging feature prevents unintentional contact with hazardous voltage, allowing for safer service and maintenance.
这种先进的包装功能防止意外接触危险电压，维修服务，让更安全。
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