OPGW & ADSS fiber · Harris County / Greater Houston
We buy OPGW and ADSS fiber.
Fiber on a utility line is cable with a second job. OPGW reel ends and ADSS lengths from substation and distribution work are bought on strand count, mode and length.
Fiber cable on a utility network is a conductor with a second job. OPGW sits in the shield wire position at the top of a transmission structure, grounded at every tower, carrying fault current and communication traffic on the same strand assembly. ADSS hangs lower, on distribution, with no metal in it at all. Both are working parts of the line, not accessories.
Both appear as surplus around Houston: reel ends from a substation project, lengths left after a line was rebuilt, splice tails from a network upgrade. Fiber is bought on different terms than power cable, and paperwork carries a larger share of the decision than it does anywhere else on this site. That changes what a buyer wants to see first.
Two fiber cables with different jobs on the line
OPGW is a composite. The outer layers are aluminium or aluminium-clad steel strands, sized to carry fault current and hold the span, while the centre holds a stainless tube with optical fibers inside or fibers laid into a sealed slot. It is grounded, and it is part of the electrical system rather than an add-on.
ADSS is all-dielectric. No metal, no ground path, no fault current rating. It hangs on distribution poles in its own hardware, often in the space below the conductors, and its span limits are set by wind and ice loading rather than by current. It is a communication cable that happens to live on a power line.
The two are not interchangeable and they are not valued on the same table. An OPGW drum is a conductor with fiber inside it. An ADSS drum is a dielectric cable with no electrical role. Describing one as the other sends a review down the wrong path from its first sentence.
Reel ends from substation and line projects
A fiber reel is bought in a fixed length and a project rarely uses all of it. The remainder is a reel end: often several hundred metres, sometimes a few kilometres, still wound on the original drum with the factory tag and the factory seal in place. These are the lots that review most easily.
Splice tails are the other common item. A tail is what is left after a splice enclosure is built, and it can run from a few metres to a full span. Tails are bought, but a short tail with a factory connector on it is a different proposition from a drum that has never been opened.
- OPGW reel ends with the factory tag intact
- ADSS lengths left over from distribution rebuilds
- Splice tails and cut lengths from enclosure work
- Drum ends where the fiber count is documented
- Reels that have been cut against reels that have not
Strand count, mode and the question of the cut
Fiber count comes first. A 24-strand cable and a 144-strand cable are different assets, and the count is printed on the jacket and on the tag. Single-mode and multimode are not interchangeable either. A drum of multimode is a much narrower proposition, because new utility work is built single-mode. Ask for the count before anything else is described.
Then the question of the cut. An uncut reel with a factory seal can be offered on the length stated. A reel that has been cut has a length that is now an estimate, and the estimate needs a basis: a counter reading, a wrap count or a weighing against tare. Buyers treat those two cases very differently.
Attenuation is the third thing, and it is the one a seller usually cannot answer. A factory test report gives it per fiber. Without one, a buyer either assumes the cable is sound and values it accordingly, or assumes the worst and treats the drum as a length of black tube.
Paperwork that makes a fiber reel reviewable
Fiber is the one material here where a missing document can end a conversation. The factory test report, the reel tag and the packing list together establish fiber count, mode, attenuation and shipped length. Without all three the drum is still bought, but it is bought as an unknown, and unknowns are valued cautiously.
Send what exists as photographs. A tag, a test sheet, a delivery ticket and a shot of the drum flange take a few minutes and can save a site visit. If the reel came from a project that was cancelled, say so, because unused fiber from a cancelled scope is the cleanest material in this category.
If the reel is still in its crate, do not open it. A packing list on the outside of a crate usually carries the count, the length and the mode, and it is the first document anyone will ask to see, so photograph that label where it sits before anything is lifted.
- Factory test report with per-fiber results
- Reel tag and packing list
- Delivery ticket or purchase record
- Splice and accessory records where they exist
Fiber cable pulled and recovered from a line is graded as used. Say whether it came off a structure or never left the drum.
Questions sellers ask
Do you buy OPGW that has been in service?
Yes. OPGW recovered from a rebuilt line is bought and graded on the condition of the outer strands, the drum and the documented fiber count. A reel that hung on a tower for twenty years is reviewed carefully, but it is not refused for that reason alone.
Which fiber counts are worth collecting?
Any count that is documented. A 24-strand ADSS reel end is a small lot; a 96 or 144 strand OPGW drum is a substantial one. The count matters less than whether it is known, because an unknown count turns cable into a length of tube.
Is single-mode fiber bought separately from multimode?
They are reviewed separately because they serve different networks. Single-mode is the utility and carrier standard for new work. Multimode appears in older industrial and campus networks, and demand for it is narrower, so condition and length are judged harder.
Can a fiber reel be collected without test documentation?
It can be collected, and it is often worth collecting, but the review starts lower without paperwork. Photograph the jacket print and the tag if either survives, and give the footage from the drum label while it is still readable.
Buying desk · Greater Houston
Have this cable on the yard?
Tell us what is on the reel, where it sits and what condition it is in. A buyer reviews the lot, asks for photographs of the tag and the cut end, and comes back with a real answer — not a request to call a call centre.
- Cable type, size and voltage class
- Footage, reel count or weight, and condition
- City, and whether the site has loading equipment