1.Which grounding electrodes are required to be bonded together?
1.哪些接地电极之间必须进行等电位联结（bonding）？
2.Minimum clearance from 600–50,000V lines for dismantling lifting equipment:
2.拆卸起重设备时，与 600–50,000V 电线的最小安全距离是多少？
3.How many GFCI-protected receptacles are required in a residential bathroom?
3.住宅浴室中需要安装多少个受 GFCI（接地故障断路器）保护的插座？
4.Minimum clearance from high-voltage lines for equipment in transit:
4.设备运输途中，与高压电线的最小安全距离是多少？
5.What is the maximum number of switches or circuit breakers permitted to disconnect the service from all other equipment?
5.允许使用多少个开关或断路器来切断电源服务与所有其他设备之间的连接（即作为总断路装置）？
6.When are high-voltage clearance rules not required?
6.在何种情况下，无需遵守高压安全距离规则？
7.What is the safe practice regarding metal ladders near live parts?
7.在带电部件附近使用金属梯子时，正确的安全操作规范是什么？
8.Which conduit is classified as thick-walled rigid metal raceway?
8.下列哪种导管被归类为厚壁刚性金属导管（Rigid Metal Conduit）？
9.How should cables be secured to an electrical box?
9.电缆应如何固定到电气接线盒上？
10.In a parallel circuit, what happens to the current?
10.在并联电路中，电流会有什么变化？
