About the company
Preformed Line Products (PLP) is a worldwide designer, manufacturer and supplier of high quality cable anchoring and control hardware and systems, fiber optic and copper splice closures, and high-speed cross-connect devices.
Our core markets are divided into four distinct categories: communications, energy, special industries and solar. Through those categories, we serve a wide range of customers
- TRANSMISSION AND DISTRIBUTION HARDWARE
- POLE LINE HARDWARE
- STRING SET ASSEMBLIES
- OPGW HARDWARE
- SPLICE ENCLOSURES
- SUSPENSION AND DEAD END TRANSMISSION
- PROJECT SPECIFIC DESIGNS
The COYOTE Closure Family features durable high-density thermoplastic shells that weigh less than their stainless steel counterparts. For loose tube buffer type fiber, the 6.5" x 22" COYOTE Closure handles up to 144 splices and the 8.5" x 22" COYOTE Closure handles up to 288 splices.
CUSHION-GRIP Suspensions are intended for use on all aluminum based conductors, and are designed to reduce the static and dynamic stresses at the support point so that the conductor is protected against the effects of oscillations. The conductor is cushioned by field proven, integral elastomer inserts, which guard against abrasion, wear, and fatigue.
The FIBERLIGN® Downlead Cushion secures Optical Ground Wire (OPGW) downleads or ADSS cable downleads to structures while minimizing compressive clamping forces which could be transferred to the optical elements.
The FIBERLIGN Suspension provides superior cable and fiber protection at the support point. The combination of Structural Reinforcing Rods, Outer Rods, boltless housing and resilient inserts reduces compression, clamping, and bending stresses on cable. Negative weather related cable motion, such as aeolian vibration, galloping, and wind sway are also minimized.
PLP's Spiral Vibration Damper reduces Aeolian Vibration (the high frequency, low amplitude vibration caused by horizontal wind passing across the line. It it designed to be used on OPGW and conductors with an outside diameter less than 0.75".
VORTX Dampers respond to wind induced line vibration that is characterized by high frequency, low amplitude motion a.k.a. aeolian vibration. The VORTX damper with Large and Small weights can achieve greater power dissipation and frequency response performance than “symmetrical weight” Stockbridge damper designs. Wider frequency coverage translates into better protection as energy is more effectively dissipated over the entire range of conductor/cable frequencies.
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