9　Installation of Low-Voltage Apparatus

9.1　Dominant Items

9.1.1　The commissioning test of low-voltage electrical apparatus shall be in accordance with those specified in Article 2.1.5 of this code.

9.1.2　Where a bus is connected to an electrical apparatus，the contact surface shall be in accordance with those specified in Chapter 12 Installation of busbar device in this code.The minimum clearance between buses of different phases at the joint shall be in accordance with those specified in Table 9.1.2.

Table 9.1.2　Minimum clearance between buses of different phases