For instance, please insure there is no damage to the insulation between the soldering turret and welding cable, the chassis of the soldering machine is well grounded, and all wiring contacts are in good condition.

• 如焊钳和焊接电缆的绝缘是否有损坏的地方，焊机的外壳接地和焊机的各接线点接触是否良好。