Xylem wtw MIQ/R6 Operating Manual page 12

Installation
 Any wires that are not used and project into the enclosure must be cut off as
 Screw a small cable gland with sealing ring into each remaining free opening
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them to the terminal strip
closely as possible to the cable gland.
and close it with a blind plug.
WARNING
No free wires are allowed to project into the housing. Oth-
erwise, there is a danger that areas safe to contact could
come into contact with dangerous voltages. Always cut
off any wires that are not in use as closely as possible to
the cable gland.
MIQ/R6
ba75541d07 03/2018