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NFPA 72D
STANDARD FOR THE INSTALLATION, MAINTENANCE AND USE OF PROPRIETARY PROTECTIVE SIGNALING SYSTEMS (REVISED AND REDESIGNATED AS 72-90)
| contributor author | NFPA - (NFPA) - National Fluid Power Association | |
| date accessioned | 2017-09-04T15:32:16Z | |
| date available | 2017-09-04T15:32:16Z | |
| date copyright | 02/07/1986 | |
| date issued | 1986 | |
| identifier other | AXHRCAAAAAAAAAAA.pdf | |
| identifier uri | http://yse.yabesh.ir/std/handle/yse/33890 | |
| description abstract | This standard deals with the installation, maintenance, testing and use of a proprietary protective signaling system which serves contiguous or noncontiguous properties under one ownership from a central supervising station at the protected property, where trained, competent personnel are in constant attendance. It covers the minimum requirements for operating personnel, the central supervising station, power supplies, signal initiation, signal notification, and automatic permanent visual recording of signals. A device or system having materials or forms different from those detailed in this standard may be examined and tested according to the intent of the standard and, if found equivalent, may be approved. | |
| language | English | |
| title | NFPA 72D | num |
| title | STANDARD FOR THE INSTALLATION, MAINTENANCE AND USE OF PROPRIETARY PROTECTIVE SIGNALING SYSTEMS (REVISED AND REDESIGNATED AS 72-90) | en |
| type | standard | |
| page | 24 | |
| status | Withdrawn | |
| tree | NFPA - (NFPA) - National Fluid Power Association:;1986 | |
| contenttype | fulltext |
