Used to test the mechanical strength of two or more cores of PVC insulated cables or rubber insulated and extra soft wires with a rated voltage 450 / 750V after a certain number of times under dynamic load. Meets IEC227-2, IEC245-2, VDE0472, GB5023.2, IEC60227-2 (ed2) 1997, IEC60245-2 (ed2) 1994 + A1: 1997, HD22.1, GB5023.2, GB5013.2, UL1581 standards.