Difference between revisions of "怎样考取低压电工证理论篇"

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怎样考取低压电工证理论篇 (view source)

Revision as of 11:49, 20 August 2024

121 bytes added ,  20 August
→‎辨异
: 低压绝缘材料的耐压等级一般为500V
: 电工使用的带塑料套柄的钢丝钳,其耐压为 500V 以上
: 静电现象是很普遍的电现象,其危害不小,固体静电可达 200kV 以上,人体静电也可达 10kV 以上
 
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