{"id":1191,"date":"2026-09-30T00:20:20","date_gmt":"2026-09-30T00:20:20","guid":{"rendered":"https:\/\/www.fenxifiber.com\/fiber-cable-fire-rating-ofnp-ofnr-cpr\/"},"modified":"2026-09-30T00:20:20","modified_gmt":"2026-09-30T00:20:20","slug":"fiber-cable-fire-rating-ofnp-ofnr-cpr","status":"publish","type":"post","link":"https:\/\/www.fenxifiber.com\/tr\/fiber-cable-fire-rating-ofnp-ofnr-cpr\/","title":{"rendered":"Fiber Kablo Yang\u0131n Dayan\u0131m S\u0131n\u0131flar\u0131: OFNP, OFNR ve CPR S\u0131n\u0131flar\u0131"},"content":{"rendered":"

A fiber optic cable is purchased for the glass and installed inside a building for the jacket. Two or three millimetres of PVC, LSZH compound, polyethylene or fluoropolymer decide whether an inspector lets the run stay in place, how much smoke reaches occupied space if a cable tray ignites, and how long the same reel survives before ultraviolet light starts chalking the surface. Optical performance rarely causes a failed inspection. The print legend on the jacket does.<\/p>\n

That legend is on the move in 2026. In North America, the 2026 edition of NFPA 70 deleted Article 770 along with Articles 805 and 840, folded limited-energy and communications cabling into a rebuilt set of Chapter 7 articles running from 720 to 750, and cut Chapter 8 down to a few pages largely about outdoor work (NFPA, NFPA 70<\/a>). In Europe, Regulation (EU) 2024\/3110 replaced the 2011 Construction Products Regulation from 8 January 2026, while Article 95 keeps harmonised standards such as EN 50575 in force under the older regime until they are withdrawn. Neither change moved a single acceptance criterion, but both invalidated the way many older specifications cite the rules.<\/p>\n

\"Structure<\/figure>\n

What Does Each Fire Rating Actually Authorize?<\/h2>\n

A fire rating is a permission slip for a building space, not a quality grade for the cable.<\/strong> The letters printed on the jacket define where the cable may legally run, and they say nothing about attenuation, connector geometry or bend performance.<\/p>\n

The split that confuses buyers most starts with the second letter. In the NEC family, the N stands for nonconductive and the C for conductive. A nonconductive fiber cable contains no metallic armor, no metallic central member and no metal moisture barrier, so the grounding rules that apply to conductive cable do not attach to it. A conductive cable such as an armored riser cable does contain metal, and that metal needs bonding treatment under the limited-energy grounding and bonding rules. Every rating therefore exists twice: OFNP and OFCP, OFNR and OFCR, OFNG and OFCG, OFN and OFC.<\/p>\n\n\n\n\n\n\n\n\n\n
Designation<\/th>\nMeaning<\/th>\nListing test<\/th>\nWhere it may be installed<\/th>\nSubstitution<\/th>\n<\/tr>\n<\/thead>\n
OFNP \/ OFCP<\/td>\nPlenum, air-handling spaces<\/td>\nNFPA 262 (formerly UL 910)<\/td>\nAbove-ceiling return-air plenum, raised-floor supply plenum, any air-handling pathway<\/td>\nMay replace every lower indoor rating<\/td>\n<\/tr>\n
OFNR \/ OFCR<\/td>\nRiser, floor-to-floor<\/td>\nUL 1666<\/td>\nEnclosed vertical shafts, floor-to-floor backbone, cable chases that are not air-handling spaces<\/td>\nMay replace OFNG\/OFG or OFN\/OFC; not permitted in a plenum<\/td>\n<\/tr>\n
OFNG \/ OFCG<\/td>\nGeneral purpose<\/td>\nUL 1581 vertical tray<\/td>\nHorizontal same-floor runs outside plenum and riser spaces<\/td>\nNot permitted in plenum or riser spaces<\/td>\n<\/tr>\n
OFN \/ OFC<\/td>\nGeneral purpose, limited use<\/td>\nUL 1581 VW-1<\/td>\nShort indoor runs where no higher rating is required<\/td>\nLowest indoor tier<\/td>\n<\/tr>\n
OSP cable (PE or HDPE jacket)<\/td>\nOutside plant<\/td>\nNo NEC fire listing for the jacket<\/td>\nDuct, aerial, direct burial outside the building envelope<\/td>\nNot a substitute for any indoor rating<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Substitution runs in one direction only. Plenum-rated cable can go anywhere indoors; riser-rated cable can cover general-purpose spaces; general-purpose cable cannot go up into a riser and never into a plenum. The most frequently reported field violation is the reverse move, a riser cable pulled through a return-air ceiling because nobody confirmed what the ceiling space is used for.<\/p>\n

Two further points belong in the same breath. First, the run takes the highest rating required anywhere along its route, so a cable that crosses one plenum section needs plenum rating end to end. Second, a printed claim is not a listing: the rating has to be readable on the jacket, repeated along the length of the cable, and traceable to a file number held by a recognized testing laboratory. Verify the identifier in the laboratory’s own online listing directory against the exact construction being quoted, including fiber count, jacket material and whether metal armor is present. A datasheet line reading “plenum rated” with no file number behind it will not survive the inspection visit.<\/p>\n

\"144-core<\/figure>\n

Where Did Article 770 Go in the 2026 NEC?<\/h2>\n

In the 2026 edition of NFPA 70, optical fiber cable no longer has an article of its own; most requirements now live in Article 722, inside a rebuilt limited-energy set.<\/strong> Anyone still writing “per NEC Article 770.179” into a 2026 specification is citing a number that no longer exists in the current edition.<\/p>\n

The restructure organised Chapter 7 around what the installer is doing rather than around circuit class. Structured cabling rules in the same market, including the ANSI\/TIA-568 family maintained by the Telecommunications Industry Association (TIA<\/a>), reach the same conclusion by a different route: the space decides whether listed plenum or riser cable is required, and the standard expects evidence rather than a claim. Article 720 carries general wiring methods and materials for limited-energy installations. Article 721 covers power sources. Article 722 covers cables and now takes in optical fiber requirements previously in Article 770 together with the communications cable requirements that used to sit in Chapter 8. Article 723 covers raceways, cable routing assemblies and cable trays. Articles 724, 725 and 726 cover Class 1, Class 2 and Class 3, and Class 4 fault-managed power. Article 742 carries overvoltage protection, and Article 750 carries grounding and bonding for limited-energy systems. Optical fiber installation and application rules are reported around 722.160 and 722.161, a consolidated application table around 722.130, substitution rules near 722.136, and new treatment of circuit-integrity and fire-resistive cables near 722.180.<\/p>\n

Adoption, however, is local. American states and municipalities adopt NFPA 70 on their own cycles, and a large share of jurisdictions still enforce a 2023 or earlier edition in which Article 770 is the correct reference. Write specifications accordingly: cite the rating itself, the test method behind it and the listing file number, and confirm which edition the authority having jurisdiction enforces before ordering. A specification built on performance survives an edition change; one built on section numbers does not.<\/p>\n

The new cluster also makes the earlier separation clearer: the Class 4 fault-managed power article now sits beside a cable article and a power-source article, so a specification that mixes fiber and fault-managed power cabling in one pathway should be reviewed against the whole set rather than a single article.<\/p>\n

Which Fire Test Decides Each Rating, and What Are the Pass Criteria?<\/h2>\n

Every rating is defined by one rig and its acceptance line, so quote the rig, the burner duty and the pass numbers in the specification.<\/strong> Doing that removes the possibility of a supplier satisfying the requirement with a milder method.<\/p>\n\n\n\n\n\n\n\n\n\n
De\u011ferlendirme<\/th>\nTest standard<\/th>\nTest setup<\/th>\nPass criteria<\/th>\nWhat the test does not tell you<\/th>\n<\/tr>\n<\/thead>\n
Plenum<\/td>\nNFPA 262 (formerly UL 910)<\/td>\n87.9 kW methane burner in a horizontal tunnel with roughly 73 m\/min (240 ft\/min) forced draft, 20 minutes<\/td>\nFlame travel not more than 1.52 m (5 ft); peak smoke optical density not more than 0.5; average optical density not more than 0.15<\/td>\nNo acidity, toxicity or heat-release limit; nothing about UV, water or crush<\/td>\n<\/tr>\n
Riser<\/td>\nUL 1666<\/td>\n154.5 kW (527,500 BTU\/h) propane burner in a vertical shaft roughly 8 m tall, 30 minutes<\/td>\nDamage height limited to about 3.7 m (12 ft)<\/td>\nNo smoke classification, so it cannot support a plenum substitution<\/td>\n<\/tr>\n
General purpose tray<\/td>\nUL 1581 vertical tray<\/td>\n20 kW (70,000 BTU\/h) ribbon burner, 20 minutes on an 8 ft tray<\/td>\nFlame must not reach the top of the tray and must self-extinguish<\/td>\nNo smoke or toxicity assessment; not valid in riser or plenum spaces<\/td>\n<\/tr>\n
Limited use \/ VW-1<\/td>\nUL 1581<\/td>\nCyclic flame, 15 seconds on and 15 seconds off, five cycles<\/td>\nAfter-flame not more than 60 s; charred portion not more than 25 %<\/td>\nLowest tier; intended for short indoor runs only<\/td>\n<\/tr>\n
LSZH material claims<\/td>\nIEC 60332-1-2, IEC 61034-2, IEC 60754-1, IEC 60754-2<\/td>\nSingle vertical flame; smoke density chamber; gas analysis<\/td>\nMaterial-level limits, no United States code rating<\/td>\nDoes not replace an NFPA 262 or UL 1666 listing anywhere the NEC applies<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

The plenum numbers explain why trying to substitute material claims for listings fails. NFPA 262 (NFPA 262<\/a>) drives a horizontal bundle in a moving air stream and measures both how far flame travels and how opaque the smoke gets. A cable that only passes IEC 60332-1-2, a single vertical wire flame test, has cleared a far easier obstacle; describing it as “flame retardant” does not make it plenum suitable. Conversely, a plenum listing does not make an LSZH cable: many plenum constructions use fluoropolymer jackets, and fluorine is a halogen. Smoke and flame behaviour and halogen content are independent properties, and a specification can ask for both.<\/p>\n

Testing, listing and marking sit together. Underwriters Laboratories and comparable bodies maintain the file that ties a construction to a rating (UL<\/a>); the standards themselves are published through the IEC Webstore<\/a> for the family of fire tests used worldwide. None of these tests measures corrosive damage to switches and servers in a neighbouring room, which is exactly why the European system adds an acidity class alongside smoke and droplets.<\/p>\n

How Do CPR Euroclasses Apply to Fiber Cable in Europe?<\/h2>\n

EN 50575 gives a cable one main reaction-to-fire class plus smoke, droplet and acidity suffixes, and the buyer needs the complete string rather than the first two letters.<\/strong> “Cca” in isolation says nothing about how much smoke the cable produces.<\/p>\n

The classification procedure comes from EN 13501-6 and produces classes from Aca down to Fca. In practice almost all communication cable lands in B2ca, Cca, Dca or Eca. Higher classes are decided by the bundled-cable test EN 50399, which measures flame spread, fire growth rate index (FIGRA), total heat release over 1200 seconds and peak heat release rate, with an additional single-cable EN 60332-1-2 check that limits damage height to 425 mm.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
S\u0131n\u0131f<\/th>\nTest route<\/th>\nKey limits<\/th>\nTypical communication cable use<\/th>\n<\/tr>\n<\/thead>\n
Aca<\/td>\nEN ISO 1716<\/td>\nGross calorific potential not more than 2.0 MJ\/kg<\/td>\nRarely declared for communication cable<\/td>\n<\/tr>\n
B1ca<\/td>\nEN 50399, 30 kW burner<\/td>\nFlame spread not more than 1.75 m; THR1200 not more than 10 MJ; peak HRR not more than 20 kW; FIGRA not more than 120 W\/s<\/td>\nTunnels, transit corridors, high-risk escape routes<\/td>\n<\/tr>\n
B2ca<\/td>\nEN 50399, 20.5 kW burner, plus EN 60332-1-2<\/td>\nFlame spread not more than 1.5 m; THR1200 not more than 15 MJ; peak HRR not more than 30 kW; FIGRA not more than 150 W\/s<\/td>\nHyperscale data halls, hospitals, dense public buildings<\/td>\n<\/tr>\n
Cca<\/td>\nEN 50399, 20.5 kW burner, plus EN 60332-1-2<\/td>\nFlame spread not more than 2.0 m; THR1200 not more than 30 MJ; peak HRR not more than 60 kW; FIGRA not more than 300 W\/s<\/td>\nOffices, schools, most commercial buildings<\/td>\n<\/tr>\n
Dca<\/td>\nEN 50399, plus EN 60332-1-2<\/td>\nModerate heat release and flame spread limits above Eca<\/td>\nCommon national minimum for general buildings<\/td>\n<\/tr>\n
Eca<\/td>\nEN 60332-1-2<\/td>\nDamage height not more than 425 mm<\/td>\nLow-risk small premises where permitted<\/td>\n<\/tr>\n
Fca<\/td>\nNo performance determined<\/td>\nNot applicable<\/td>\nShould not enter permanent installation<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

The suffixes carry the rest of the meaning. Smoke classes run s1 with a peak smoke production rate not more than 0.25 m²\/s and total smoke production not more than 50 m², with s1a adding light transmittance of at least 80 % per IEC 61034-2 and s1b adding transmittance of at least 60 %; s2 allows total smoke production up to 400 m², and s3 declares no performance. Droplet classes are d0 for no flaming droplets inside 1200 seconds, d1 for droplets lasting not more than 10 seconds inside 1200 seconds, and d2 for no performance declared. Acidity classes per IEC 60754-2 are a1 for pH of at least 4.3 with conductivity not more than 2.5 µS\/mm, a2 for pH of at least 4.3 with conductivity not more than 10 µS\/mm, and a3 for no performance declared. A typical data-center specification reads B2ca-s1a,d0,a1; an office backbone often reads Cca-s1b,d1,a1.<\/p>\n

Two other distinctions protect the buyer. Reaction to fire describes how the cable contributes to fire growth; resistance to fire, or circuit integrity, describes whether the link keeps working during a fire. The two are different standards with different classifications, and industry tracking indicates the European Union began publishing dedicated resistance-to-fire classes under the recast CPR during 2026, which makes keeping the claims separate even more necessary. Second, an LSZH jacket is a material statement, not a declared Euroclass. A low-smoke cable with no classification report, no Declaration of Performance and no CE marking carries no standing under CPR, however good the compound is.<\/p>\n

Documentation duty follows the assessment system behind the class. Under Commission Decision 2011\/284\/EU the top classes use the strictest route, system 1+, which involves a notified body in factory production control, while Dca and Eca sit in the lighter system 3 based on initial type testing, and Fca in the lightest. The Declaration of Performance has to identify the product type, the intended use, the manufacturer, the harmonised standard reference, the assessment system and notified body where applicable, the declared performance including the suffix string, and a signed date. During the 2026 transition, record which route applied at the moment of supply: Regulation (EU) 2024\/3110 applies from 8 January 2026, but Article 95 keeps harmonised standards cited under Regulation (EU) 305\/2011 valid until withdrawal, so a paper Declaration of Performance issued under the earlier route can still be current. The recast also pushes toward digital declarations reachable by QR code on the label or drum, aligning them with the planned digital product passport.<\/p>\n

What Evidence Must Arrive With the Drum?<\/h2>\n

A printed class or letter code proves less than the file behind it, so require the evidence set before releasing the purchase order rather than after the shipment lands.<\/strong> Ask for the package in writing and list it in the order documents, or it will not exist.<\/p>\n

For North American projects, collect four items: the listing file number verified in the testing laboratory’s own directory against the exact product code, fiber count, jacket material and armor construction; a test report referencing that same file for NFPA 262 or UL 1666 as applicable; a sample photograph or drawing of the print legend showing the rating, manufacturer, length marking and traceability code; and a statement of whether the listing covers the whole assembly, including any factory-installed pulling eye. Verify that the file is current, because files lapse and coverage changes when a factory alters a compound.<\/p>\n

For European projects, the corresponding set is the Declaration of Performance with the identifiers above, the CE marking information, the EN 50399 classification report that produced the declared class, notified body identification where the assessment system requires it, and confirmation of whether a family or variant grouping covers the exact variant shipped. Add RoHS and REACH documentation where the procurement scope requires it, then compare everything with what actually arrives: cable printing, drum label, product code, CPR class, manufacturer name and production site, batch number, length marks and document revision. Photograph the drum and the print legend at receiving inspection and file the images with the order record.<\/p>\n

One practical caution is worth stating plainly: do not accept evidence covering a similar jacket, a different fiber count or a related construction. Classification depends on the fuel load of the exact assembly, and a 24-fiber variant is not automatically covered by the single-cable or bundled evidence for a 12-fiber variant. This is where fiber optik ba\u011flant\u0131 kablolar\u0131<\/a> and factory-terminated trunks usually come undone, because the bought-in cord carries a rating independent of the permanent cable it plugs into.<\/p>\n

How Do You Specify Plenum, Riser and Building-Entry Runs Without Rework?<\/h2>\n

Map the pathway first and buy one rating for the whole run; changing rating mid-run is what inspectors write up.<\/strong> The expensive part of a fire-rating mistake is never the material difference between OFNP and OFNR, it is pulling the cable back out.<\/p>\n

Start by establishing whether the ceiling space above the route returns air. A suspended ceiling with a ducted return and no airflow above it may not be a plenum, while the same-looking ceiling doing return-air duty is; ask the mechanical designer and, if there is any doubt, build riser above the ceiling instead of relying on the assumption. A raised floor feeding conditioned air into a data hall is almost always a plenum, so supply-air floors require plenum-rated cable under the raised floor as well as above it.<\/p>\n

Risers follow the same logic in the vertical direction. An enclosed shaft with no air-handling role needs OFNR at minimum, and since plenum cable substitutes downward, many owners standardize on OFNP for any route that touches both. Inside a high-density hall the same decision applies to every cord that stays in the building, which is why high-count tek modlu ba\u011flant\u0131 kablosu<\/a> builds need their own rating question asked before the reel.<\/p>\n

\"High-density<\/figure>\n

The building entry is the second classic failure point. Outside-plant cable with a polyethylene jacket has UV stability and water blocking, which is why it lives outdoors, and no rating that lets it run down a corridor. The long-standing NEC provision allows outside-plant cable indoors only for a short distance, historically quoted as 15 m (50 ft), to reach the entrance facility; beyond that the run has to continue in indoor-rated cable (confirm the exact wording in the adopted edition, since this provision moved with the restructure). Three answers exist, and picking one during design costs far less than picking it on site: specify dual-rated indoor\/outdoor cable carrying an indoor rating across the full length; terminate the outdoor section inside the allowed distance and joint to indoor cable in an enclosure; or hand the outdoor run over to an outdoor enclosure at the wall and enter the building with indoor-rated cable from that point.<\/p>\n

\"Wall-mounted<\/figure>\n

Waterproof outdoor hardware belongs on the outside face of that boundary. Pre-terminated assemblies with IP67 housings remove the jointing step entirely for FTTA and outdoor plant; see the approach used with fiber sonland\u0131rma kutular\u0131<\/a> for the enclosure side and protective assemblies for the drop side.<\/p>\n

\"IP67<\/figure>\n

Two field details finish the picture. Accessories inside plenum spaces attract their own expectations: many authorities expect plenum-suitable cable ties or hook-and-loop supports rather than ordinary nylon ties, so check local practice before the ceiling closes. And installation technique can undo fire performance even with the correct cable, because exceeding pulling tension, crushing the jacket on a tray edge, or breaching minimum bend radius damages the very layer the rating describes. See our earlier work on fiber optic cable installation limits<\/a> for the tension, sidewall pressure and bend radius arithmetic behind that.<\/p>\n

Fiber Cable Fire Rating Decision Tree<\/h2>\n

Use the table below as the one-page specification companion: pick the pathway, take the minimum rating, then require the matching evidence column before ordering.<\/strong> It converts diffuse requirements into two lines a supplier can quote against.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Pathway or space<\/th>\nMinimum rating or class<\/th>\nEvidence to demand<\/th>\nProject note<\/th>\n<\/tr>\n<\/thead>\n
Return-air plenum above a suspended ceiling<\/td>\nOFNP, or OFCP where metallic members need bonding<\/td>\nNFPA 262 report plus active listing file<\/td>\nRating applies to the complete run, not only the plenum section<\/td>\n<\/tr>\n
Raised-floor supply plenum in a data hall<\/td>\nOFNP; European projects often B2ca-s1,d0,a1<\/td>\nNFPA 262 report, or DoP with EN 50399 report<\/td>\nIncludes every patch cord left in the space after handover<\/td>\n<\/tr>\n
Enclosed riser shaft, no air handling<\/td>\nOFNR minimum<\/td>\nUL 1666 report plus listing file<\/td>\nCannot be used where any plenum section follows<\/td>\n<\/tr>\n
Same-floor horizontal run, non-plenum office<\/td>\nOFNG or OFN; LSZH where owner smoke policy applies<\/td>\nUL 1581 report; IEC 61034-2 and 60754-2 data if LSZH is specified<\/td>\nLSZH material data never replaces the listing<\/td>\n<\/tr>\n
European office, standard national minimum<\/td>\nDca-s2,d2,a2 minimum, often Cca-s1b,d1,a1<\/td>\nDoP, CE information, notified body where applicable<\/td>\nNational building rules choose the floor, not the manufacturer<\/td>\n<\/tr>\n
European data hall, hospital or escape route<\/td>\nB2ca-s1a,d0,a1<\/td>\nEN 50399 report, EN 61034-2 and EN 60754-2 evidence<\/td>\nKeep reaction-to-fire and circuit-integrity claims separate<\/td>\n<\/tr>\n
Tunnel, metro or confined public space<\/td>\nHighest class available for the construction, typically B2ca or B1ca with LSZH<\/td>\nClassification report, DoP, transport authority approvals<\/td>\nConfirm the national requirement; some states set their own class<\/td>\n<\/tr>\n
Aerial or duct route outside the building<\/td>\nNo fire class required outdoors<\/td>\nUV aging, water blocking and temperature-range data<\/td>\nPlan the transition before the cable reaches the wall<\/td>\n<\/tr>\n
Indoor\/outdoor dual-rated cable<\/td>\nOne declared rating covering the whole assembly<\/td>\nSingle evidence pack covering the composite construction<\/td>\nAvoid certificates that cover only the inner indoor jacket<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Fenxi builds indoor distribution cable, tight-buffered ODF-grade cabling hardware<\/a> interfaces, terminations and patch assemblies with LSZH, PVC and outdoor PE jacket options. Send the pathway map, fiber count, destination market and the class or rating your authority requires, and our engineers will return the matching jacket, rating and evidence pack with the quotation.<\/p>","protected":false},"excerpt":{"rendered":"

Fiber kablo yang\u0131n dayan\u0131kl\u0131l\u0131k s\u0131n\u0131flar\u0131n\u0131 kar\u015f\u0131la\u015ft\u0131r\u0131n: OFNP plenum, OFNR y\u00fckseltici, LSZH ve CPR Euroclass. Test kriterleri, talep i\u00e7in gerekli kan\u0131tlar ve al\u0131c\u0131lar i\u00e7in bir karar a\u011fac\u0131.<\/p>","protected":false},"author":1,"featured_media":1151,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1191","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.fenxifiber.com\/tr\/wp-json\/wp\/v2\/posts\/1191","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fenxifiber.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fenxifiber.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fenxifiber.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fenxifiber.com\/tr\/wp-json\/wp\/v2\/comments?post=1191"}],"version-history":[{"count":0,"href":"https:\/\/www.fenxifiber.com\/tr\/wp-json\/wp\/v2\/posts\/1191\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fenxifiber.com\/tr\/wp-json\/wp\/v2\/media\/1151"}],"wp:attachment":[{"href":"https:\/\/www.fenxifiber.com\/tr\/wp-json\/wp\/v2\/media?parent=1191"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fenxifiber.com\/tr\/wp-json\/wp\/v2\/categories?post=1191"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fenxifiber.com\/tr\/wp-json\/wp\/v2\/tags?post=1191"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}