NB/T 20049-2011 PDF English
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Basic data
| Standard ID | NB/T 20049-2011 (NB/T20049-2011) |
| Description (Translated English) | Cable-penetration fire stop qualification test |
| Sector / Industry | Energy Industry Standard (Recommended) |
| Classification of Chinese Standard | F69 |
| Classification of International Standard | 27.120.20 |
| Word Count Estimation | 22,236 |
| Date of Issue | 2011-07-01 |
| Date of Implementation | 2011-10-01 |
| Older Standard (superseded by this standard) | EJ/T 674-1992 |
| Quoted Standard | IEEE 317; ASTM E84; ASTM D2863 |
| Regulation (derived from) | ?National Energy Board Announcement 2011 No.3 |
| Issuing agency(ies) | National Energy Administration |
| Summary | This standard specifies the principles and procedures prescribed cables installed on fire throughout the fire- blocking barrier (also referred to as the block piece) performance tests. The qualification criteria for installation in the prescribed fire barrier blocking parts of different materials and structures. Meet the requirements of this standard closure member for nuclear power plants, is also applicable to other nuclear facilities. Cable types involved with power, control and instrumentation cables, and other types of cables. |
