1.What factors must be considered when installing PV wiring?
1.在安装光伏(PV)布线时,必须考虑哪些因素?
2.Which rating system is NOT used for motor starters?
2.下列哪种额定分级系统不用于电机起动器?
3.Equipment labels and markings must:
3.设备标签和标记必须:
4.If a three-phase motor rotates in the wrong direction, what should you do?
4.如果三相电机旋转方向错误,应采取什么措施?
5.What are the three main categories of outlets?
5.插座主要分为哪三大类?
6.A thermomagnetic overload device in feeders should be sized at:
6.馈线回路中的热磁式过载保护装置,其额定容量应按下列哪一比例选取?
7.During a home inspection, the owner requests an outlet near the stove. Countertop is 48" long, wall is 6 ft. What should the contractor do?
7.在房屋检查期间,业主请求在炉灶附近安装一个插座。台面长48英寸,墙面长6英尺。承包商应如何处理?
8.This symbol represents what type of outlet?
8.此符号代表哪种类型的插座?
9.What is the maximum spacing allowed between receptacles along a bedroom wall?
9.卧室墙面上插座之间的最大允许间距是多少?
10.In a residential bathroom, where must a GFCI receptacle be installed?
10.在住宅浴室中,GFCI(接地故障断路器)插座必须安装在何处?