CommScope Trunk & Distribution Cable - Manual (Page 19)

Expansion Loops - Forming
Two different sizes of expansion loops are currently used.
For sizes < 625, use a mechanical bender to form a
12-inch flat bottom loop.
This bender produces a minimum 6” (15 cm) deep
loop with a 12” (30 cm) flat bottom.
For sizes > 700, use a mechanical bender to form a 15-inch flat bottom loop.
This bender produces a minimum 6” (15 cm)
deep loop with a 15” (38 cm) flat bottom.
If you are installing smaller cables with the larger
sizes, it is recommended that you use the larger
loop on all cables.
Forming the Loop
Attach the mechanical bender to the strand at the appropriate location. Place the cable in the bender and form
the loop according to the manufacturer’s directions. Carefully inspect the cable for any damage due to
misalignment of the bender.
DO NOT REMOVE THE BENDER until after the cable has been lashed at least 50’ (15 meters) or to the next
pole, as tensions imposed during lashing may deform the loop. Once the cable is lashed and the lash wire tied
off, you may remove the bender. Double lashing is recommended for two or more cables.
Attach straps and spacers. Do not overtighten the straps.
12 in (30 cm)
43 in (1.1 m)
6 in (15 cm)
11 in (28 cm) radii
15 in (38 cm)
50 in (1.27 m)
6 in (15 cm)
14.8 in (38 cm) radii
Aerial Installation 3.5
Forming Expansion Loops