Fiber Optic Pull Box

Do i need to size a pull box on the exterior of the building that is for fiber optic cable per 314.

Fiber optic pull box.

When pulling fiber optic cable through nonmetallic raceways or nonmetallic 90 degrees elbows with rope maximum speed through a duct shall be about 3 ft 91 cm per second. Ensure that pull and splice boxes house fiber optic cable without subjecting the cable to a bend radius less than 14 times the diameter of the cable. This device locks onto and tightens around a cable as a tensile load is applied. A simple way to avoid this is to tie a knot at the pulling end of small fiber optic cables.

From there we are downsizing the conduit to 2 inside the building. What i have is a 4 conduit coming out of the ground and entering a pull box on the exterior of the building. Ideal for sidewalk and driveway installations for telecommunications catv dot water utilities and other applications. Fiber instrument sales maintains a huge inventory and competitive pricing on many of these enclosures and their related components.

Do i need a 24x24. Including telecom relay racks patch panels rack and wall mounted interconnect enclosures fiber optic pigtails adapter plates and cable management hardware. If mule tape is used the top speed shall be 9 ft 274 cm per second. 3 when additional mechanical force is needed for a pull use external pulling grips.

The load is applied to the strength members of the cable rather than the optical fiber. Placement and spacing place pull and splice boxes as shown in the plans and at the following locations unless directed otherwise by engineer.