It is sufficient to calculate the current according to the power of the explosion -proof lamps. The power of the explosion -proof ingredient light is calculated by 220V to calculate the corresponding rated current, and then refer to the electric wire load current value to find the corresponding wire square.

For example, a 1 -square copper core wire can pass 6A current, that is, 6A*220V = 1320W. Those with lamp power less than 1320W can use a 1 -square pure copper wire, but the dangerous places consider the aging of the wires and the heating, so as to the heating, until the heating, so as to the heating, until the heating, so as to the heating, until the heating, so as to the heating, until the heating, so as to the heating, until Small uses a 1.5 square meter.

GB4706.1-1992/1998 The wire load current value (part) specified

1 Fang Copy Copycro Core Wire allows long-term load current to be: 6A --- 8A

1.5 Crystal Copycro core wire allows long-term load current to: 8A --- 15A

2.5 Crystal Copycro core wire allows long-term load current to be: 16A --- 25A

4 The 4-square copper core line allows long-term load current to be: 25A --- 32A

6 square-meter copper core wire allows long-term load current to: 32A --- 40A