1. The correctness of power supply voltage of air compressor shall be ensured.
2. Select the appropriate black air switch according to the power of the air compressor and use the power control.
3. The incoming line of low-voltage power supply must be installed with standard fuse and isolating air switch, which shall be installed close to the air compressor and easy to access and control.
4. The cable shall not have too much stress during installation, to avoid short circuit caused by cable loosening in the future.
5. The cable shall not contact with the metal block mouth to avoid short circuit caused by cable cutting in the future.