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Conduit for submarine Fiber Optic Cable

Conduit for submarine Fiber Optic Cable

Conduit for submarine Fiber Optic Cable

(OP)
Does a conduit(a steel protection tube) within which there will be a fiber optic cable needs application of anodes(for cathodic protection)??

RE: Conduit for submarine Fiber Optic Cable

Probably, depends on the application. This would really apply to any kind of steel tube you put underwater, and have nothing to do with the fibre cable.

I do a lot of stuff with high salinity salt water, and unless it is stainless steel (or maybe *marine* grade aluminium if the salinity isn't too high) the tube will be gone in a few years. In that case I would add an anode. But then it only lasts as long as the anode, unless someone regularly replaces it.

Why not use submersible fibre cable? I know that it is available, just like regular submersible power cable.  

RE: Conduit for submarine Fiber Optic Cable

(OP)
So a cathodic protection system is not necessary if the conduit is  stainless steel ???

Can you suggest me  what kind of varnish must be applied on the conduit to preserve it in a submarine location??

thank you so much!!

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