1. When Torch Retaining Cap IHS adopted, we suggest customers use Anti-Collision Fixture to fix cutting torch and lifter and connected it with Torch Retaining Cap. In practice, when the contact between Retaining Cap and workpiece is weak (especially the workpiece is Rusty or Dirty steel plate,) Proximity Switch IHS takes effect; it is more effective to protect cutting torch. If Torch Retaining Cap IHS and Proximity Switch IHS both installed, both will be active during cutting.
2.  The cable connecting Voltage Divider and THC must be SHIELD cable, and shall be separated away from Arc Start cable.
3. The cable between THC and Lifter should be shield cable. And it should not be installed together with plasma torch cable, to avoid leading plasma high voltage into THC control circuit.