NEMA SB 3-1969 (R1989, R1994)
Withdrawn
Withdrawn
INTERCONNECTION CIRCUITRY OF NONCODED REMOTE-STATION PROTECTIVE SIGNALING SYSTEMS
Published date
01-12-2013
Withdrawn date
07-23-2013
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Describes a specific polar transmission circuit in a manner intended to insure proper operation between transmitting and receiving equipment.
| DocumentType |
Standard
|
| PublisherName |
National Electrical Manufacturers Association
|
| Status |
Withdrawn
|
| NFPA 72C : 1986 | INSTALLATION, MAINTENANCE, AND USE OF REMOTE STATION PROTECTIVE SIGNALING SYSTEMS |
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