BS 4794-2 Sections 2.5 and 2.6:1978
$86.31
Specification 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.) – Indicator lights. Standardization of fixing hole of single hole mounted push-buttons and indicator lights
Published By | Publication Date | Number of Pages |
BSI | 1978 | 12 |
Requirements for indicator lights and the standardization of two sizes of fixing hole.