Gives technical requirements for tubular fluorescent lamps with preheated cathodes for general lighting service, operated with or without a starter from a.c. mains, also describes tests for the lamps with non-preheated cathodes operated without the use of a starter. Gives testing methods to be used for checking quality and interchangeability for type testing, for individual lamp batches or for a manufacturer's entire production. Consists of a series of standard data sheets, each giving the characteristics of a specific lamp type. Introduces new co-ordinates for the standard colours together with a new standard 'white' colour.
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