UNE-EN 60838-1:2017/A11:2021 Miscellaneous lampholders - Part 1: General requirements and tests (Endorsed by Asociación Española de Normalización in July of 2021.)
2021UNE-EN 60838-1:2017/A2:2021 Miscellaneous lampholders - Part 1: General requirements and tests (Endorsed by Asociación Española de Normalización in May of 2021.)
2021UNE-EN 60838-1:2017/A11:2021 Miscellaneous lampholders - Part 1: General requirements and tests (Endorsed by Asociación Española de Normalización in July of 2021.)
2017UNE-EN 60838-1:2017/A1:2017 Miscellaneous lampholders - Part 1: General requirements and tests (Endorsed by Asociación Española de Normalización in September of 2017.)
2017UNE-EN 60838-1:2017 Miscellaneous lampholders - Part 1: General requirements and tests (Endorsed by Asociación Española de Normalización in June of 2017.)