BS 4794-2 Sections 2.5 and 2.6:1978
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Indicator lights. Standardization of fixing hole of single hole mounted push-buttons and indicator lightsSpecification for control switches (switching devices, including contactor relays, for control and auxiliary circuits, for voltages up to and including 1000 V a.c. and 1200 V d.c.)
Hardcopy , PDF
01-01-1992
English
31-05-1978
Requirements for indicator lights and the standardization of two sizes of fixing hole.
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