What hardware fitting accessories are needed when installing ADSS optical cables?

Sep 15, 2025

When installing ADSS optical cables, you need various hardware fittings including ADSS tension (or anchor) clamps for securing the cable to terminal and tension towers, ADSS suspension clamps for supporting the cable along spans, pole brackets and fastening straps for attaching hardware to poles or towers, and down-lead clamps to guide the cable from the pole to the ground or equipment. You may also need cable joint boxes for splicing and protection, dampers to reduce vibrations, and cable storage brackets for managing excess cable.

Here is a more detailed breakdown of the essential accessories:

Clamps:

Tension (Anchor) Clamps:
These are used at the ends of the cable run and at tension towers to bear the full tensile load. They are designed to transfer the cable's longitudinal stress to its internal tension unit without damaging the outer sheath.
Suspension Clamps:
Installed on suspension towers, these clamps support the cable along the span, allowing the cable to hang freely.
Down-Lead Clamps:
Used to guide the cable safely along a pole or tower from the overhead line down to ground level or equipment.

Mounting & Fastening Hardware:

Pole Brackets:
These are used to attach the support hardware (like clamps) to wooden, metal, or concrete poles.
Stainless Steel Straps:
Used to secure components like suspension clamps to poles or towers, providing a durable and reliable attachment.

Protection & Cable Management:

Cable Joint Boxes (Closures):
These are used for intermediate connections and for protecting optical fiber splices from the external environment.
Dampers:
Helical dampers are often used to reduce wind-induced vibrations on the cable, which can cause mechanical stress and signal loss.
Cable Storage Brackets:
These provide a place to store excess or spare cable, keeping it organized and protected.

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