Optical Fiber Bend Radius Requirements :: | 51/55

1. 2- and 4-fiber cables intended for horizontal or centralized cabling shall support a bend radius of 25 mm (1 in) under no-load conditions.
2. 2- and 4-fiber cables intended to be pulled through horizontal pathways during installation shall support a bend radius of 50 mm (2 in) under a pull load of 222 N (50 lbf).
3. All other inside plant cables shall support a bend radius of 10 times the cable outside diameter when not subject to tensile load, and 15 times the cable outside diameter when subject to tensile loading up to the cable's rated limit.
4. Outside plant cables shall support a bend radius of 10 times the cable outside diameter when not subject to tensile load, and 20 times the cable outside diameter when subject to tensile loading up to the cable's rated limit.

Optical Fiber Bend Radius Requirements :: | 51/55