1.What is the full-load current of a 75 kVA, 480V, 3-phase transformer?
1.一台75 kVA、480V、三相变压器的满载电流是多少？
2.kW rating of transformer:
2.变压器的kW额定值：
3.Combined transformer capacity:
3.变压器总容量：
4.Current of 75kVA transformer:
4.75kVA变压器的电流：
5.Power output (PF=0.9):
5.功率输出（PF=0.9）：
6.Which option describes a Ufer grounding electrode?
6.下列哪项描述了Ufer接地电极？
7.A building with metal siding is supplied by a 208/120V three-phase transformer. What action is required?
7.一座装有金属外墙板的建筑物由一台208/120V三相变压器供电。需要采取什么措施？
8.What is the minimum required length for a grounding electrode rod?
8.接地电极棒所需的最小长度是
9.How do a grounded conductor and a grounding conductor differ?
9.接地导线与接地联结导线有何区别？
10.What is the minimum grounding conductor size for a 1/0 service?
10.对于 1/0 规格的供电进线，其接地导体的最小规格是多少？
