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3M(TM) Fiber Optic Splice Closure

3M Part No.: 2178-S

  • $ 361.54 or

The compact size of the 2178-S closure makes it ideal for aerial strand, pedestal and hand hole splicing.

Specifically designed for inline or butt splicing applications, the closure has two 1.0" cable entry ports per end.

The multiport grommet feature provides for simple, flexible and future-proof drop or small diameter branch cable additions.

The maximum single fusion and mass fusion splice capacity for the 2178-S closure is 96 and 432, respectively.


  • Scalable and flexible, allowing expansion based on splicing capacity and the number of cable entry ports
  • Reusable gasket makes tool-less re-entry easy
  • Bolted halves provide greater security than that of dome closures

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