IEC 60400:2008+A1:2011 states the technical and dimensional requirements for lampholders for tubular fluorescent lamps and for starterholders, and the methods of test to be used in determining the safety and the fit of the lamps in the lampholders and the starters in the starterholders. This consolidated version of IEC 60400 consists of the seventh edition (2008) and its amendment 1 (2011). It bears the edition number 7.1. A vertical line in the margin shows where the base publication has been modified by amendment 1. Additions and deletions are displayed in red, with deletions being struck through. This consolidated version consists of the seventh edition (2008) and its amendment 1 (2011). Therefore, no need to order amendment in addition to this publication.