Arc Flash Hazard Risk Category HRC – Hazard Risk Category is determined by amount of Incident Energy released upto defined boundary from the source of Arc Flash Point.
Terms used in Internal Arc Flash context for ASSEMBLIES Arc Flash is light and heat produced as a result of Arc Fault, due to low impedance path, which causes electrical explosion or discharge.
7 Evaluation criteria and Arcing Class for the Internal Arc test of ASSEMBLY as per IEC 61641 Arcing Class A, B, C according to personal protection from ASSEMBLY under Arc Fault and ASSEMBLY protection from internal Arc fault.