5 Electric Installation LB 470 Level
56925BA2 Rev. 03, 11/2017
When routing the connection lines, make sure that
no dirt or moisture reaches the connection room,
the conductors are not damaged when the cable insulation is removed,
the conductor insulation or the sleeve of the wire end ferrules reach into the
housing of the terminal unit,
blank, conductive segments of the lines (e.g. wires of a litz wire) do not
reach outside the terminal unit,
the wire end ferrule or the stripped wire have a length of 8 mm so that the
wire is held securely in the clamp,
the line insulation reaches into the sleeve of the wire end ferrule if these
components are used,
the admissible minimum bending radius for the respective line cross-section
is not exceeded and
the cables are laid out in a strain-relieved and friction-free manner.
Only use cables whose diameters are approved for the respective cable
gland. The cables must comply with the requirements and cross-sections spec-
ified in the technical data.
The connected cables must be appropriate for temperatures of at least 10°C
above the maximum admissible ambient temperature.
5.1.3 82BCable Glands and Blanking Elements
The feeding of cables into the wall housing is only permitted via a cable en-
try.
Cable glands must be suitable for the respective application.
All cable glands must be assembled according to manufacturer's instructions
and be tightened to the appropriate tightening torque.
Cable glands that are not required for installation must be covered with suit-
able blanking elements.
Line cross-sections must comply with the respectively used cables.
Cable bushings and blanking elements must comply with the applicable IP
protection class and with the requirements for the operational environment.
We recommend ordering missing cable glands, blanking elements or adapt-
ers from BERTHOLD.
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