BS-5518 › Complete Document History
Specification for electronic variable control switches (dimmer switches) for tungsten filament lighting


Obsolete Revision Information:
   AMD 5528 - AMENDMENT 2 - April 1, 1987
   AMD 4145 - AMENDMENT 1 - March 1, 1983
   1977 EDITION - Specification for electronic variable control switches (dimm - Dec. 30, 1977