What could occur if cutting current passes through a bearing or electronic component?

When cutting current passes through a bearing or electronic component, it can lead to overheating and arcing damage. This is primarily because electrical components and bearings are not designed to handle the high currents characteristic of plasma arc cutting. The intense heat generated can exceed the thermal limits of these components, leading to physical damage such as melting, warping, or even complete failure.

Additionally, if the current creates a path through the component, arcing can occur. Arcing refers to the phenomenon where electricity jumps across a gap or an unintended conductor, producing a significant amount of heat and light. This can damage the insulation and internal structures of electronic components, impairing their functionality or rendering them inoperable. Therefore, it is crucial to ensure that cutting activities are properly isolated from any sensitive components to avoid such catastrophic failures.