NEMA SB 3-1969 (R1989, R1994)
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
INTERCONNECTION CIRCUITRY OF NONCODED REMOTE-STATION PROTECTIVE SIGNALING SYSTEMS
23-07-2013
12-01-2013
NO CONTENTS SECTION
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Withdrawn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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