Details the particular specifications for rubber or cross-linked polyvinyl chloride insulated and rubber or cross-linked polyvinyl chloride sheathed cords of rated voltage 300/300 V, for use in applications where high flexibility is required, for example iron cords. THIS CONSOLIDATED VERSION CONSISTS OF THE FIRST EDITION (1998) AND ITS AMENDMENT 1 (2003). THEREFORE, NO NEED TO ORDER AMENDMENT IN ADDITION TO THIS PUBLICATION.