BS 6353:1983
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Specification for underground loudspeaker communication systems in coal mines
Hardcopy , PDF
English
29-04-1983
22-05-2026
Foreword
Committees responsible
Specification
1. Scope
2. Definitions
3. Electrical interface characteristics
4. Interconnection facilities
5. Tone signals
6. Transmission distance
7. Marking
8. Documentation
Appendices
A. Design of safety couplers and barriers
B. Cable
Table
1. Electrical interface characteristics
Figures
1. Underground loudspeaker communication system
2. System electrical parameters
3. Safety coupler
4. Safety barrier
Specifies electrical interface characteristics, interconnection facilities, tone signals and transmission distance.
| Committee |
W/-
|
| DevelopmentNote |
Supersedes 81/75758 DC (09/2005) Reviewed and confirmed by BSI, January 2011. (12/2010)
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
Withdrawn:This standard is no longer used
| BS 6704:1996 | Code of practice for selection, installation and maintenance of intrinsically safe electrical equipment in coal mines |
| BS 5501-9:1982 | Electrical apparatus for potentially explosive atmospheres Specification for intrinsically safe electrical systems \'i\' |
| BS 5501-7:1977 | Electrical apparatus for potentially explosive atmospheres Intrinsic safety \'i\' |
| BS 6746(1976) : LATEST |
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