1.After using a power tool, what is the safest action before leaving it?
1.使用电动工具后,在将其放置一旁之前,最安全的做法是什么?
2.A 15-amp receptacle is permitted a maximum cord-and-plug load of:
2.一个15安培的插座,允许连接的最大插头式负载为多少?
3.What is the smallest copper conductor allowed for a 9 kVA wall-mounted oven?
3.对于一台9 kVA的壁挂式烤箱,允许使用的最小铜导线规格是多少?
4.How should unused knockouts in metal boxes be properly closed?
4.金属接线盒上未使用的敲落孔(knockouts)应如何正确封堵?
5.Which of the following is another name for an inverter?
5.以下哪项是“逆变器”(Inverter)的别称?
6.While working near a skylight on a roof, at what distance must fall protection be used?
6.在屋顶的天窗附近作业时,当距离天窗多远以内必须采取防坠落保护措施?
7.A stand-alone solar photovoltaic system is permitted to supply which of the following?
7.独立式太阳能光伏系统允许为以下哪种供电服务供电?
8.A 20-foot glass wall in a living room requires three receptacles. What is the proper solution?
8.客厅里有一面20英尺长的玻璃墙,按规定需要安装三个插座。正确的解决方案是什么?
9.What is a recommended safety practice when working on live equipment?
9.在带电设备上进行作业时,推荐的安全操作规范是什么?
10. In a main panel, how many panel spaces does a standard 120-volt circuit breaker occupy?
10.在主配电箱中,一个标准的120伏断路器占用多少个配电箱槽位?