Unmatched Performance Consistent Performance Quality Meets Standard Specications High grade laminations are used to avoid losses . The box is made from a thick metallic sheet. An Anchor make piano type switch is provided for on /off operation and a 1.6 m , 3 core flying lead is provided for main connection and output is via a special Anchor make 3 Pin socket is provided to avoid shock due to the leakage of the current .