2.4.13. |
"Lamps marked "D"" means independent lamps, approved as separate devices in such a way that they are allowed to be used either independently or in an assembly of two lamps to be considered as a "single lamp".
|
a8c0 |
2.7.32. |
"Lamps marked "D"" means independent lamps, approved as separate devices in such a way that they are allowed to be used either independently or in an assembly of two lamps to be considered as a "single lamp".
|
a1c0 |