Tightener
( ref. RAI ) is a small bar of translucent PVC material
; it has to be fitted with a spacer ( ref. ECA
) to make a 20 x 20cm network intended to lay down homogeneously
CAB3A300 cable : this
set is called NAP3A mat ;
RAI tightener has on one end female studs and on the
other end male studs ; assembly of tighteners is made
by pressing female studs on male studs ; RAI tighteners
are usually laid down in the shelf width ; if necessary
to adjust precisely, they can be cut with scissors or
cutter ; RAI tighteners have to be gathered before ECA
spacers which are fitted above them.
technical data : 
