1.What is the name of the conductor installed on the supply side of a service or within a service enclosure that provides electrical continuity between metal parts?1.安装在供电侧(Service Side)或服务设备外壳内部,用于在金属部件之间提供电气连续性的导线,其名称为何?
2.Minimum distance from edge when drilling joist:2.在搁栅(Joist)上钻孔时,孔边缘距离搁栅边缘的最小距离应为:
3.Maximum notch in bearing stud:3.承重立柱上允许开槽(Notch)的最大尺寸比例为:
4.The grounding contacts of receptacles must be connected to:4.插座的接地触点必须连接至:
5.Max notch depth in joist (top/bottom):5.搁栅(Joist)上允许开槽(Notch)的最大深度比例(顶部/底部)为: