DNA Group together with Group Defond of Hong Kong offers a wide range of current leakage protectors backed by 20 years of experience as the market leader, producing 15M pieces a year. DNA Group provides North American customers 3 types of personal protection devices: Appliance Leakage Circuit Interrupters (ALCIs), Ground Fault Circuit Interrupters (GFCIs), and Portable Residual Current Devices (PRCDs).