An installation crew is pulling an optical fiber cable into a riser. The cable has an outside diameter of 25 mm (1 in). As the cable is being pulled off the reel and through a pulley into the riser, you must verify that the minimum bend radius for the cable being pulled is observed.

An installation crew is pulling an optical fiber cable into a riser. The cable has an outside diameter of 25 mm (1 in). As the cable is being pulled off the reel and through a pulley into the riser, you must verify that the minimum bend radius for the cable being pulled is observed.

The pulley must be sized at a MINIMUM of:
A . 254 mm (10 in)
B . 381 mm (15 in)
C . 508 mm (20 in)
D . 635 mm (25 in)
E . 762 mm (30 in)

View Answer

Answer: B