This standard specifies terms and definitions, structural style, product model, installation dimension, performance parameter, technical requirements, test methods, inspection rules as well as marking, packing, transport and storage for pressure relief devices for transformers (hereinafter referred to as "relief devices").
This standard is applicable to relief devices which are installed on oil-immersed transformers, mutual inductors, reactors and switches.
2 Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to, or revisions of, any of these publications do not apply. Parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For the undated references, the latest edition of the normative documents is applicable to this standard.
