JH-AFCI circuit for Branch AFCI products and Wall Socket AFCI products constitute a combination of AFCI products. The products are often installed in Branch wires and arc fault occurs in the branch to prevent electric line . The arc database consistency and occurred in 1 seconds, the fault arc 10 and below half cycle, not issued warning signal when a fault arc;and the arc database consistency in 1 seconds, arc fault occurred more than 11 and half cycle,  power-off signal when a fault arc.