Requirements and tests for lamps, for marking, safety in normal use and their interchangeability. Applies to a wide range of bulb shapes and finishes with ratings from 50 V to 250 V and up to 200 W.
BS 5971-1:1980
Original price was: $264.16.$132.00Current price is: $132.00.
Safety and interchangeability of tungsten filament lamps for domestic and similar general lighting purposes-Specification for safety and interchangeability
BSI Group , 03/31/1981
