The arc generated due to poor contact of the contacts or damage to the insulation of the circuit is called a “bad arc”, corresponding to a “good arc”. The arc generated by normal operation of the switch is called a “good arc”. The implied meaning is that a “bad arc” can do bad things, causing fire hazards. If the “bad arc” is not dealt with in a timely manner, it can cause significant economic losses and even casualties.
ELEJG Technologie électrique
