IEC 60674-2:2016+A1:2019 is applicable to plastic films used for electrical purposes. This part of IEC 60674 gives methods of test. This second edition cancels and replaces the first edition published in 1988 and Amendment 1 (2001). This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:- this document was completely revised editorially and technically and included in the IEC 60674 series of standards;- the test methods are updated to reflect today's state of the art;- a method to obtain DC electric strength is now specified according to IEC 60243-2.The contents of the corrigendum of December 2017 have been included in this copy. This consolidated version consists of the second edition (2016) and its amendment 1 (2019). Therefore, no need to order amendment in addition to this publication.Keywords: plastic films for electrical purposes