This sheet contains the requirements for special papers such as, for example, those that may be used for cables, transformers and conductor wrapping. These papers are particular papers of Class 1 of I EC Publication 554-3-1, Part 3: Specifications for Individual Materials, Sheet 1: General Purpose Electrical Paper, with requirements for specific applications. Note. — The examples of use given above indicate three main applications for these papers but do not in any way imply a restriction to such uses. Papers of any other class may be employed for such applications when appropriate.