1.1 This standard specifies classification, rating, dimensions, requirements, mark and label, sampling and criteria for conformity, and testing for lampholders for tubular fluorescent lamps and starterholders intended for use in a.c. circuits where the supply voltage does not exceed 250 V to earth and the working voltage does not exceed 1000 V.
1.2 This standard covers only lampholders for tubular fluorescent lamps provided with caps G5, G13 and GlOq, glow starter type starterholders and combinations of lampholders and starterholders, including lampholders and starterholders which are integral with the luminaire.