1.Surface-mounted conduit must be sealed:
1.明装导管必须在以下哪些位置进行密封处理：
2.What is the maximum mounting height for a standard office light switch?
2.标准办公照明开关的最大安装高度是多少？
3.In homes with older aluminum wiring, 39.what does the term “pigtailing” refer to?
3.在使用老式铝导线的住宅中，术语“pigtailing”（接尾线）是指什么？
4.When is a GFCI required for a kitchen receptacle?
4.厨房插座在什么情况下必须配备GFCI（接地故障断路器）？
5.In a PV module, which component contains internal connections and provides output leads for external wiring?
5.在光伏（PV）组件中，哪一组件包含内部连接，并提供用于外部接线的输出引线？
6.Which lighting type is permitted in a closet wall installation?
6.在衣橱墙面安装中，允许使用哪种类型的照明灯具？
7.What is the final step after installing panelboard extension rails?
7.安装配电盘延长导轨后的最后一步是什么？
8.Which device is NOT suitable for motor overload protection?
8.下列哪种装置不适用于电动机过载保护？
9.What marking appears on a ＂rated＂ enclosure?
9.“额定”外壳上通常印有什么标记？
10.Which is NOT an acceptable controller for a 1/2 HP motor?
10.下列哪项不适合用作 1/2 马力电动机的控制器？
