Mining type flameproof supply and control units for use on systems up to 1100 V - Specification for air-cooled transformers to power drilling machines Ingestion-build-93833 BS 5950-9:1994 gives recommendations for

BS 5950-9:1994 gives recommendations for the design of shear diaphragms in light gauge profiled steel sheet and the contribution of such diaphragms to the strength and stiffness of structural steelwork in buildings and allied structures

designation information

Rounding rules for determination of compliance

Using ISO 21360-3 you can specify methods and special requirements for measuring the maximum tolerable pressure difference

2 Apparatus

Mining type flameproof supply and control units for use on systems up to 1100 V - Specification for air-cooled transformers to power drilling machines Ingestion-build-93833 BS 5950-9:1994 gives recommendations for