IS 4821-1968

标准号：IS 4821-1968
发布日期：1969/1/1 12:00:00
实施日期：1999/12/31 12:00:00
适用范围：1.1 This standard prescribes essential features of design and construction of cable sealing and dividing boxes provided with cable glands intended to be filled with appropriate insulating compound and designed primarily for use in mines in combination with cables of the following types:a) Lead or aluminium sheathed unarmoured cables, where such are permissible;b) Lead or aluminium sheathed wire armoured cables, where such are permissible;c) Unsheathed wire armoured cables; andd) PVC sheathed and armoured cables, where such are permissible.1.2 This specification does not apply to oil-filled sealing boxes.1.3 As a measure of guidance to the user, information required to be given with an enquiry and order have been enumerated in Appendix A.