IEC 60838-2-3 Ed. 1.0 b:2016

IEC 60838-2-3:2016 applies to lampholders for double-capped linear LED lamps intended for building-in (to be used for general lighting service and with caps as listed in Annex A). Lampholders within the scope of this standard do not include heat management. Double-capped linear LED lamps can also be used with lampholders originally been designated for other technologies. The requirements for these lampholders are covered by separate standards.
This publication is to be read in conjunction with IEC 60838-1:2004.