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1.What sets plug fuses apart from cartridge fuses? 1.插入式熔断器与筒式熔断器的主要区别是什么?
2.Indication of an open circuit? 2.断路的指示?
3.Where are GFCls installed? 3.GFCI 安装在何处?
4.What does a wattmeter measure? 4.瓦特计测量的是?
5.Exposed live wires above 600V in a building: what to do? 5.建筑物内 600V 以上的裸露带电导线应如何处理?
6.Acceptable bathroom wiring method? 6.可接受的浴室布线方式是?
7.When to upgrade an electrical service panel? 7.何时需要升级电气配电板?
8.“Available fault current” means: 8.“可用故障电流”是指:
9.A receptacle tester checks: 9. 插座测试仪检查:
10.Which three components make up a basic transformer? 10.一个简单变压器由哪三部分组成?
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