What risk does an electrician face when installing or removing energized fuses?

When installing or removing energized fuses, an electrician faces the significant risk of electrical shock and arcs. This is primarily due to the high voltage present when the fuses are energized. When a fuse is pulled or installed under load, there is a possibility of breaking the circuit, which can create an arc—this is a discharge of electricity that occurs when a current jumps across a gap. Arcing can lead to serious injuries, including severe burns or electrocution, as the electrician's body may inadvertently become part of the electrical path.

Additionally, the interaction with live electrical components increases the likelihood of accidental contact with conductive parts, raising the danger of electric shock. The potential for arcs makes this task particularly hazardous, emphasizing the importance of proper safety protocols, specialized tools, and ensuring that fuses are de-energized prior to any installation or removal whenever possible. Understanding these risks helps electricians take the necessary precautions to protect themselves while working with electrical systems.