1.Conductors entering a building must be protected:
1.进入建筑物的导线必须受到保护：
2.What seals raceways in cold storage penetrations?
2.在冷库穿墙处，用于密封导管（线槽）的是什么？
3. For overhead service conductors rated 600 volts or less, what is the minimum clearance above public roads, alleys, or parking areas subject to vehicle traffic?
3.对于额定电压为 600伏或以下的架空进户导线，其上方与公共道路、小巷或有车辆通行的停车区域之间的最小净空高度是多少？
4.Sheet metal raceways must be supported every:
4.薄板金属线槽必须每隔多远进行一次支撑？
5.A photovoltaic module is a complete, weather-resistant unit designed to produce:
5.光伏组件是一个完整且耐候的单元，其设计目的是为了产生：
6.Conduit required near propane tanks:
6.丙烷储罐附近所需的导管类型：
7.Conduit for flammable cleaning station area:
7.用于易燃清洁站区域的导管类型：
8.All ungrounded photovoltaic DC conductors require a readily accessible disconnecting means. Based on this rule, where is a PV disconnect NOT permitted?
8.所有未接地光伏直流导线均需配备易于触及的断开装置。根据此规则，光伏断开装置不允许设置在何处？
9.Where is a 4-way switch added in a 3-way circuit?
9.在三路开关电路中，四路开关应连接在哪根导线上？
10.Max hole size in bearing stud without engineering:
10.在未进行工程计算的情况下，承重立柱上允许开孔的最大尺寸比例为：
