BS 7042:1988
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
02-28-2004
English
09-30-1988
Foreword
Committees responsible
Specification
1 Scope
2 Definitions
3 System requirements
4 Operational requirements
5 Detectors
6 Control equipment
7 Power supply equipment
8 Warning devices
9 Remote signalling equipment
10 Additional facilities
11 Claims of compliance
Appendix
A Sound level test for audible warning devices
Figures
1 Suggested method of suspension
2 Method of measurement
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