IEC 60404-11:1991+A1:1998+A2:2012 is intended to define a measurement method for the determination of the characteristics of surface insulation resistance of magnetic sheet and strip. This method is applicable to magnetic sheet and strip insulated on one or both surfaces and is suitable for manufacturing control in the application of insulation coatings. This consolidated version consists of the first edition (1991), its amendment 1 (1998) and its amendment 2 (2012). Therefore, no need to order amendments in addition to this publication.