Fiber Optic Cable
Fiber optic cable is the foundation of every broadband, telecom, and utility network being built today. From loose tube OSP backbone to last-mile drops and air-blown microduct cable, Galloway stocks OSP fiber from OFS, Prysmian, and AFL - the manufacturers whose names are on the spec sheets your engineers submit. We hold inventory across our regional locations so your build schedule doesn’t wait on cable.
Loose Tube - OSP Backbone, Feeder & Distribution
Color-coded loose buffer tubes
Protect individual fibers from mechanical and environmental stress; stranded designs carry 6 to 24 tubes, central-tube designs a single tube
Single-mode OS2 (G.652.D) standard, G.657.A1 for tighter bend routing;
OFS AllWave ZWP fiber gives zero water peak across the full wavelength spectrum
Gel-free DryBlock construction (OFS)
Reduces splice prep time by up to 80% vs. gel-filled designs
Jacket and construction options span single jacket (SJ) through double-armored (DA)
Corrugated steel tape armor for direct-burial without conduit or in rodent-prone areas; OFS Fortex DT Light Armor is gel-free and mass-fusion-ready
All-dielectric ADSS variant for aerial self-support
No messenger wire, no grounding on energized power lines; aramid strength members support spans to ~1,500 m depending on loading; OFS PowerGuide DT double-jacket eliminates all gels
Fiber counts from 12 to 864
Standard reel lengths 1 km and 2 km; multimode OM3/OM4 available for campus and data center interconnect
Loose Tube - OSP Backbone, Feeder & Distribution
Color-coded loose buffer tubes
Color-coded loose buffer tubes protect individual fibers from mechanical and environmental stress; stranded designs carry 6 to 24 tubes, central-tube designs a single tube
Single-mode OS2 (G.652.D)
Single-mode OS2 (G.652.D) standard, G.657.A1 for tighter bend routing; OFS AllWave ZWP fiber gives zero water peak across the full wavelength spectrum
Gel-free DryBlock construction (OFS)
Gel-free DryBlock construction (OFS) reduces splice prep time by up to 80% vs. gel-filled designs
Jacket and construction options span single jacket (SJ)
Jacket and construction options span single jacket (SJ) through double-armored (DA): corrugated steel tape armor for direct-burial without conduit or in rodent-prone areas; OFS Fortex DT Light Armor is gel-free and mass-fusion-ready
All-dielectric ADSS
All-dielectric ADSS variant for aerial self-support---no messenger wire, no grounding on energized power lines; aramid strength members support spans to ~1,500 m depending on loading; OFS PowerGuide DT double-jacket eliminates all gels
Fiber counts from 12 to 864
Fiber counts from 12 to 864; standard reel lengths 1 km and 2 km; multimode OM3/OM4 available for campus and data center interconnect
Ribbon - High Fiber Count Backbone & Trunk

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For high-density backbone and trunk, hyperscale data center interconnect, and central office / carrier-hotel cabling
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Fiber counts from 144 to 6,912+; outside diameter is critical for duct-fill calculations
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Standard matrix, rollable, and intermittently bonded ribbon (IBR) constructions; rollable / IBR allows higher packing density in a smaller diameter
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12-fiber mass-fusion splicing dramatically reduces splice time vs. single-fiber splicing
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Single jacket, double jacket, armored, or all-dielectric construction
Loose Tube - OSP Backbone, Feeder & Distribution
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bookmark_checkColor-coded loose buffer tubes protect individual fibers from mechanical and environmental stress; stranded designs carry 6 to 24 tubes, central-tube designs a single tube
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bookmark_checkSingle-mode OS2 (G.652.D) standard, G.657.A1 for tighter bend routing; OFS AllWave ZWP fiber gives zero water peak across the full wavelength spectrum
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bookmark_checkGel-free DryBlock construction (OFS) reduces splice prep time by up to 80% vs. gel-filled designs
-
bookmark_checkJacket and construction options span single jacket (SJ) through double-armored (DA): corrugated steel tape armor for direct-burial without conduit or in rodent-prone areas; OFS Fortex DT Light Armor is gel-free and mass-fusion-ready
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bookmark_checkAll-dielectric ADSS variant for aerial self-support---no messenger wire, no grounding on energized power lines; aramid strength members support spans to ~1,500 m depending on loading; OFS PowerGuide DT double-jacket eliminates all gels
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bookmark_checkFiber counts from 12 to 864; standard reel lengths 1 km and 2 km; multimode OM3/OM4 available for campus and data center interconnect
Ribbon - High Fiber Count Backbone & Trunk
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bookmark_checkFor high-density backbone and trunk, hyperscale data center interconnect, and central office / carrier-hotel cabling
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bookmark_checkFiber counts from 144 to 6,912+; outside diameter is critical for duct-fill calculations
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bookmark_checkStandard matrix, rollable, and intermittently bonded ribbon (IBR) constructions; rollable / IBR allows higher packing density in a smaller diameter
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bookmark_check12-fiber mass-fusion splicing dramatically reduces splice time vs. single-fiber splicing
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bookmark_checkSingle jacket, double jacket, armored, or all-dielectric construction
Flat Drop - Last-Mile FTTH
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bookmark_checkFlat self-supporting design for last-mile drops to home or business---aerial self-support or direct-buried final span
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bookmark_check1, 2, 4, 6, and 12-fiber counts; G.657.A2 bend-tolerant fiber typical; compatible with standard wedge clamps and closure strain reliefs
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bookmark_checkToneable (copper toner) variant locates buried drops after install without digging; all-dielectric version also available
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bookmark_checkMDPE outdoor jacket with flame-retardant option for indoor transition; pre-connectorized (OptiTap / hardened) or bulk reel; RUS (RDUS)-listed options available
Drop - Subscriber & MDU
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bookmark_checkRound and figure-8 subscriber drops for aerial, buried, and MDU riser applications; indoor pulls behind walls, conduit, or risers
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bookmark_check1, 2, 4, and 12-fiber counts; field-terminated or factory-connectorized installs
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bookmark_checkRiser (OFNR) and plenum (OFNP) rated jackets for inside-building portions
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bookmark_checkPre-connectorized options---OptiTap, hardened MPO, SC/APC; check bend-radius rating for tight retrofit pulls; compliant with ANSI/ICEA, Telcordia, and IEC standards
Micro - Air-Blown / Microduct Cable
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bookmark_checkHigh-density FTTH and FTTx distribution installed by air-blowing or pushing into pre-placed microducts---ideal for retrofits, congested ROW, and rapid deployment
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bookmark_checkReduced outside diameter (4 to 10 mm) is the key differentiator; fiber counts 12 to 432, and 864+ in larger ODs
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bookmark_checkLow-friction HDPE jacket for blown install; all-dielectric construction with water-blocking via dry tape / SAP yarns
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bookmark_check[TBC] Microduct ID compatibility (e.g., 8.5 / 12.7 mm), maximum recommended blowing distance, and installed / dynamic bend radius
Flat Drop - Last-Mile FTTH
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Flat self-supporting design for last-mile drops to home or business---aerial self-support or direct-buried final span
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1, 2, 4, 6, and 12-fiber counts; G.657.A2 bend-tolerant fiber typical; compatible with standard wedge clamps and closure strain reliefs
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Toneable (copper toner) variant locates buried drops after install without digging; all-dielectric version also available
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MDPE outdoor jacket with flame-retardant option for indoor transition; pre-connectorized (OptiTap / hardened) or bulk reel; RUS (RDUS)-listed options available
Features
Makes gradual bends without special equipment, reducing labor time and installation costs makes gradual bends without special equipment, reducing labor time and installation costs
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Manufactured from flexible HDPE
makes gradual bends without special equipment, reducing labor time and installation costs
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Continuous reel lengths
minimize joints in the field, meaning fewer couplings, fewer potential failure points, and faster installation
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Sunlight resistant
rated for outdoor exposed applications without additional UV protection
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Temprature
Rated for use with 90°C conductors at a maximum ambient temperature of 122°F (50°C)
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Nonconductive
eliminates the need for grounding of the raceway itself and prevents conduit from becoming an electrical hazard
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Corrosion resistant
will not rust, rot, or degrade in wet, acidic, or alkaline soil conditions where metal conduit deteriorates
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Lightweight
approximately one-third the weight of steel conduit, reducing handling labor and transportation costs
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Assembled with PVC solvent cement
for fast, permanent joints—no threading, welding, or special tools required
Cable Type Selection & Specification Guide
| Cable Type | Primary Applications | Tube Count | Fiber Counts | Outside Diameter | Jacket Types | Specs to confirm before ordering |
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| Loose Tube (a.k.a. Stranded LT, Central LT / CLT, Armored LT) | OSP backbone, feeder, and distribution Long-haul trunk between handholes and vaults Aerial lashed, in-duct, direct-buried |
6–24 (stranded design) 1 (central tube) |
12 to 864 | 8–25 mm | SJ – single jacket DJ – double jacket SA – single armored DA – double armored AD – all-dielectric |
Fiber type — G.652.D standard, G.657.A1 for tighter bends Water-blocking — gel-filled vs. dry / water-swellable tape Install method — duct, direct-buried, or lashed aerial Strand attach — separate messenger vs. self-supporting (ADSS) Reel length and put-up |
| Ribbon (a.k.a. Standard Matrix Ribbon, Rollable Ribbon, IBR) | High fiber count backbone and trunk Hyperscale data center interconnect Central office and carrier-hotel cabling |
1 central (RCLT) 6–8 stranded (RILT) |
144 to 6,912+ | 12–35 mm | SJ – single jacket DJ – double jacket SA – armored AD – all-dielectric |
Ribbon type — standard matrix vs. rollable / IBR Outside diameter critical for duct-fill calculations Mass-fusion splicer compatibility on the project Blown-installation rating if applicable Reel length and put-up |
| Flat Drop (a.k.a. Toneable Flat Drop, AD Flat Drop, Figure-8 Flat) | Last-mile FTTH drops to home or business Aerial self-support or direct-buried final span Toneable variant locates buried drops post-install |
— (no buffer tubes) | 1, 2, 4, 6, 12 | ~4.5 × 8.1 mm or 4.5 × 10.2 mm (W × H) | SJ – MDPE outdoor Flame-retardant for indoor transition |
Toneable (copper toner) vs. all-dielectric Aerial self-support vs. direct-buried rating Pre-connectorized (OptiTap / hardened) vs. bulk reel Fiber type — G.657.A2 typical Length / cut-to-order requirements Jacket color for service marking |
| Drop (a.k.a. Figure-8 Drop, Round Drop, Indoor/Outdoor Drop, MDU Drop) | Subscriber drops — aerial, buried, MDU riser Field-terminated or factory-connectorized installs Indoor pulls behind walls, conduit, or risers |
1 or tight-buffered | 1, 2, 4, 12 | 4–10 mm (round) Figure-8 varies |
SJ – outdoor MDPE OFNR – riser rated OFNP – plenum rated |
Form factor — figure-8, round, or flat Pre-connectorized type — OptiTap, hardened MPO, SC/APC Riser or plenum rating for inside-building portions Length / cut-to-order requirements Bend radius rating for tight retrofit pulls |
| Micro (a.k.a. Microduct Cable, Blown Cable, Reduced-OD Cable, Mini-LT) | High-density FTTH and FTTx distribution Air-blown or push installation into pre-placed microducts Retrofits, congested ROW, rapid deployment |
1–12 (varies by fiber count) | 12 to 432 (864+ in larger ODs) |
4–10 mm | SJ – low-friction HDPE for blown install AD – all-dielectric construction |
Microduct ID compatibility (e.g., 8.5 / 12.7 mm) Blown vs. push installation rating and shot length Fiber count and construction (loose tube vs. ribbon) Maximum recommended blowing distance Bend radius — installed and dynamic Water-blocking via dry tape / SAP yarn (dielectric) |
Jacket Code Reference: SJ Single Jacket • DJ Double Jacket • SA Single Armored • DA Double Armored • AD All-Dielectric • OFNR Riser-Rated • OFNP Plenum-Rated
Proposed expanded cable-type guide (per restructure). Fiber-count, OD, and jacket ranges are manufacturer-typical and must be confirmed against stocked products before publication. See notes below.
Technical Specifications
| Specification | Standard Stocked Range | Standard Stocked Range |
Standard Stocked Range | Standard Stocked Range |
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Material |
High-Density Polyethylene (HDPE) |
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Available Sizes |
3/4” through 6” diameter |
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SDR Options |
SDR 7, 9, 11, 13.5, 15.5 (controlled by outside diameter and minimum wall thickness) |
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SIDR Options |
SIDR 9, 11.5 (controlled by inside diameter and minimum wall thickness) |
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Schedule Options |
Schedule 40 and Schedule 80 |
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Standards Compliance |
ASTM D3035, ASTM D2239, ASTM F2160 |
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Listings |
RUS Listed for telecommunications applications |
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Pull Tape |
Available empty or with factory pre-installed pull tape (1,250 lb typical tensile strength) |
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Standard Colors |
Orange, blue, green, black, white, red, brown, gray, terra cotta, yellow. Custom colors and stripe combinations available. |
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Reel Sizes |
66”, 84”, 96”, 102”, 114” diameter steel reels |
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Conduit Markings |
Permanent marking includes material type, applicable standards, production information, and sequential foot/meter markings. Custom marking available. |
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You may also need
Fiber Closures & Cabinets
Aerial and underground splice closures, FDH distribution cabinets, NIDs, and MDU housings — protection at every node from the backbone to the subscriber.
HDPE Microduct
Microduct pathways to carry and protect fiber underground — sized for every fiber count and install method.
Test & Splicing Equipment
Core-alignment fusion splicers, cleavers, OTDRs, and complete hand tool kits — everything your splice crew needs on the job site.
Brands we carry
Need Fiber Cable for Your Build?
Galloway stocks fiber optic cable across our distribution network, keeping material positioned close to your jobsite. Whether you have defined specifications or need assistance selecting the right cable for your installation, our team can help ensure the right product is supplied and delivered.
At Galloway, we don’t wait for a spec sheet. Talk us through the job and we’ll make sure you get what you need.