BS 4945:1989
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for functional and performance characteristics of miners\' caplamps
Hardcopy , PDF
15-04-2001
English
30-06-1989
Foreword
Committees responsible
Section one. General
1.1 Scope
1.2 Definitions
1.3 Lighting performance of the caplamp assembly
1.4 Charging contacts
Section two. Headpiece
2.1 Light source
2.2 Reflector
2.3 Switch
2.4 Cable connections
2.5 Caplamp clip
2.6 Marking
Section three. Battery
3.1 General
3.2 Rated capacity
3.3 Cable connections
3.4 Protective cover
3.5 Filling and topping-up
3.6 Freedom from leakage
3.7 Marking
Section four. Cable
4.1 Conductors
4.2 Insulation
4.3 Identification of cores
4.4 Centre cord
4.5 Cabling
4.6 Sheath
4.7 Overall diameter
4.8 Flame-retardance
Appendices
A. Type tests
B. Routine tests on cable
C. Special sample test for flame retardance on cable
Figures
1. Typical caplamp assembly
2. Details of caplamp clip
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