(57) Insert suitable for being mounted in a wall, ceiling, piece of furniture or other
element, wherein the insert comprises a housing, where said housing comprises a tube
member (1), an end cover (2), where said end cover (2) and one end of the tube is
provided with releasable assembly means, and where the opposite end of the tube is
open, where said insert comprises means arranged outside of the tube, which means
are expandable outside the inserts' outer periphery, and where socket means and electrical
connection means are provided in said end cover.
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