ZITHA SPECIALTYSPECIALTY FIBER CABLES Technical Inquiry

Pigtail winding reel size

Specialty cable knowledge brief Published 25 Jun 2025

Prepared for preliminary research by the ZITHA SPECIALTY knowledge desk. Confirm fire performance, mechanical protection, loss budgets and installation requirements against current standards and product documentation.

The reels have a standard central bore of 127 mm (5 inch) in diameter. Other diameters can also be supplied by means of additional inserts. Reel designations consist of the series description (LM or EM), the flange diameter, and the total outer width of the reels. OUTER WIDTH The outer width of the reels is normally the winding width (L2) plus 2x. For a good estimate, you need to have four numbers: the diameter of the core of the reel (the hub), the outer diameter of the rolled-up tape, the thickness of the carrier tape and the distance that the components are spaced from each other on the tape. For ease of measurement, what we measure. ** Fill diameter is the Flange diameter less 2″ (which allows for an inch of clearance between flange edge and wire).

Pigtail winding reel size - ZITHA TECH SPECIALTY CABLES (Pty) Ltd [PDF]

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Technical note

This reference is intended for preliminary specialty-cable research. Compatibility, link budgets, fire performance, installation methods, test limits and applicable standards must be verified for the specific project.

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