1 Scope
This standard specifies the product classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage of flameproof high-voltage cable coupling devices for coal mine (hereafter referred to as coupling device).
This standard is applicable to coupling device used for cable connection in the underground mine with methane or coal dust explosion hazard.
2 Normative References
The following documents contain provisions which, through reference in this text, constitute provisions of this standard. For the dated references, the subsequent amendments to (excluding amending error in the text), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents is applicable. For the undated references, the latest edition of the normative document is applicable to this standard.
