Armored Fiberoptic Cable installation method

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winslowfam

Senior Member
Location
VA
I have a client who would like to replace an existing fiberoptic cable with armored fiberoptic cable. The existing cable runs in a cable tray located in a trench and then in rigid conduit. If the existing path (tray and conduit) are large enough for the armored fiber cable (conduit fill, bending radius, etc.), is there any reason they cannot pull out the existing cable and pull in armored fiber cable?
 
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jdsmith

Senior Member
Location
Ohio
If bending radius, conduit fill, etc are OK then you can replace non-armored fiber with armored. Make sure you bond the armor to a ground at each end.

That said, many people use armored fiber inappropriately. Corning indicates that their armored fiber is intended for increased rodent resistance in direct burial applications. It is not designed to be crush resistant, and they advised against using armored fiber in industrial or any other non-burial applications. For applications requiring increased crush or abrasion resistance there are other jacket constructions available that will perform much better than armored fiber.
 
stevebea

stevebea

Senior Member
Location
Southeastern PA
jdsmith said:
If bending radius, conduit fill, etc are OK then you can replace non-armored fiber with armored. Make sure you bond the armor to a ground at each end.

That said, many people use armored fiber inappropriately. Corning indicates that their armored fiber is intended for increased rodent resistance in direct burial applications. It is not designed to be crush resistant, and they advised against using armored fiber in industrial or any other non-burial applications. For applications requiring increased crush or abrasion resistance there are other jacket constructions available that will perform much better than armored fiber.
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What kind of jacket construction does Corning recommend for non burial applications ?
 
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