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1·The invention can realize automatic contact joint of the current, the voltage and the assistant wire connecting terminal in the whole electric energy testing process at one time.

可实现在整个电能表测 试过程中一次性完成电流、电压和辅助接线端子自动对接。

2·Ground the water heater by connecting a grounding wire from the electrical service ground terminal to the green grounding screw in the junction box of the water heater.

通过将电气部件上的接地端子连接到热水器接线盒里绿色接地螺丝上，实现热水器的接地。

3·A terminal opening (7) which is used for connecting an electrical wire (9) with a quick terminal joint of the load side terminals (4) is arranged on the front of the decoupler casing (2).

在断开器壳体(2)的前面上设置了用于把电线(9)与负荷侧端子(4)的速结端子接头连接的端子口(7)。