4 78-0013-6389-0-A
3.0 Feeder Cable Preparation and Strain Relief
3.1 Feeder cable diameters for the 3M
™
Indoor Building Entrance Terminal (IBET) 4790V-QCS and 4790VL-QCS
Series
Minimum Diameter
Maximum Diameter
Entrance Cable
0.42" (10.7 mm)
1.45" (36.8 mm)
If the cable diameter is smaller than the minimum, use Scotch
®
Linerless Rubber Splicing Tape 130C to build up to the minimum.
3.2 Run the feeder cable 24" (610 mm) past the
3M
™
Indoor Building Entrance Terminal (IBET)
cable entry port.
3.3 Slide the 3M
™
Pull ’N’ Shrink Tube (PST) on the end
of the cable with the pull-tab away from the IBET
and temporarily keep it out of the way.
3.4 With the groove toward the IBET and long end
toward the cable, snap the cable gland halves around
the cable. Slide the gland into the entry port of the
IBET.
3.5 Measure 2" (51 mm) of sheath past the gland inside
the IBET. Pull the gland and cable out of the IBET.
2"
3.6 Remove the sheath, leaving at least 21" (533 mm) of
free conductor length. Identify and secure the cable
groups ends. Bond the cable shield according to your
company’s practice.
3.7 Insert the gland’s groove into the cable port. Slide
the PST over the gland and slowly unwind the core.
The PST core fits over the small diameter of the 25-
to 50-pair gland.
3.8 Complete the PST core removal over the gland.
3.9 The blank plate MUST be used in the empty cable
port for UL Listing.
3.10 Attach the cable to the wall according to your
company’s practice.
