Electric lamp operating device.

摘要

The invention relates to an operating device for electric lamps, comprising a closed housing (1) with a metallic base plate (2) and an electric circuit which is mounted in the interior of the housing (1) on a mounting board (plate) (3). The operating device has a feed opening (filler neck) (4) which extends into the interior space and which preferably extends up to a perforation (3a) in the mounting plate (3). The feed opening (4) permits the casting compound to be filled in, in particular in the region between the mounting board and the base plate (2), without bubbles.