Arcing phenomena between a fallen conductor and the ground are usually linked with HIFs, which may lead to a fire hazard or endanger beings.

• 当发生高阻抗故障时于掉落的导线与接触地面间通常伴随有电弧的存在，这个电弧火花可能会引起火灾造成人员生命财产的威胁。