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Splice Closure – How to Choose?

You can order fiber splice closure here:

Outside Plant Closures

FOSC600A

Question: What factors should I know before I decide on a splice closure for an OSP installation?

Answer:

1) First of all you have to know your splice closure application. Is it aerial installation? Or is it buried installation? And so forth.

2) Know your splice Count and splice type – How many fiber splices does the closure need to hold? Are they fusion splices, mechanical splices or a combination of both? Some closures can be purchased with additional sealed ports that can be opened to accommodate new fibers that may be added in the future.

3) Be sure to match the closure, and the application, to the correct type of splice tray. For example, if using ribbon fiber, make sure that the closure can accommodate a splice tray that is designed for ribbon.

4) Ease of Reentry – Many newer types of closures, such as those offered from Multilink, can be sealed without requiring sealing tape or C-cement. This makes it easy to seal the closure and also to reenter it when future work is required.

5) Multilink closures use compression grommets, made of malleable material that provides a tight seal when the two halves of the closure are bolted together. I recommend using a crisscross star pattern when tightening bolts to ensure that pressure is applied evenly to the compression seal. The grommets around the cable entry and exit ports can be ordered with various hole sizes to accommodate different cable diameters.

6) Some closures have a fitting that enables the installer to fill the sealed closure with compressed air to determine if there are any leaks. A soapy solution can be applied to seams, which will show bubbles if air is leaking out.

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