Connection junction box, has sealing ring arranged between opposite sealing surfaces of frame and cover-part, where another ring is arranged mutually between opposite sealing surfaces of cover-parts in mounting position of one of cover-part

摘要

The box has a box-cover (6) comprising two cover-parts (6a, 6b), where one of the cover-parts is threaded into a bottom frame (4) and the other cover-part is threaded into the former cover-part. A thread is formed at ends of a column part (7), so that the latter cover-part is screwed on the thread. A sealing ring (8) is arranged between mutually opposite sealing surfaces of the bottom frame and the former cover-part. Another sealing ring (9) is arranged between mutually opposite sealing surfaces of the cover-parts in a mounting position of the former cover-part.