搜题

下列关于钢结构构件连接施工防触电的技术要求,说法错误的是( )。

安全生产专业实务(原案例) 2023-05-15

A.现场使用的电焊机,应设有机棚,并应装设相应的消防器材
B.电焊机导线应具有良好的绝缘性能,绝缘电阻不得小于0.5 mΩ,接地线接地电阻不得大于4Ω
C.电焊机的二次线应采用防水橡皮护套铜芯软电缆,电缆长度不宜大于30 m,一次线长度不宜大于5 m,应配装二次侧空载降压器
D.吊装作业使用行灯照明时,电压不得超过42 V


参考答案:D

吊装作业使用行灯照明时,电压不得超过36 V。

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