{"id":16755,"date":"2026-09-05T21:29:42","date_gmt":"2026-09-05T13:29:42","guid":{"rendered":"https:\/\/hkcablemachine.com\/?p=16755"},"modified":"2026-09-05T21:29:42","modified_gmt":"2026-09-05T13:29:42","slug":"network-cable-ul-listing-guide","status":"publish","type":"post","link":"https:\/\/hkcablemachine.com\/vi\/network-cable-ul-listing-guide\/","title":{"rendered":"Nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t c\u00e1p m\u1ea1ng n\u00ean chu\u1ea9n b\u1ecb nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ea1t ch\u1ee9ng nh\u1eadn UL?"},"content":{"rendered":"

Preparing for network cable UL Listing starts with the exact cable, intended installation type, manufacturing site and certification scope, before testing becomes the main task. The practical decision is not which machine can \u201cmake a UL cable,\u201d but which controlled product and production system will be submitted and maintained.<\/p>\n

UL Listing is a product-and-factory control program, not a one-time machine setting or a logo added after production. A factory should freeze the construction, confirm the applicable UL category with UL Solutions, prepare representative samples and evidence, and build ongoing material, process, marking and change controls before formal evaluation.<\/strong><\/p>\n

C\u00e1c HONGKAI tuy\u1ebfn s\u1ea3n xu\u1ea5t c\u00e1p LAN<\/a> connects conductor preparation, insulation, pair twisting, cabling, optional shielding, sheathing, testing and packing. UL Solutions remains responsible for determining the applicable certification program, investigation requirements, authorized markings and follow-up obligations. HONGKAI equipment configuration and factory trials should therefore support the approved cable specification; they cannot replace the certification body’s decision.<\/p>\n

B\u1eaft \u0111\u1ea7u v\u1edbi \u0110\u1ed1i t\u01b0\u1ee3ng Ch\u1ee9ng nh\u1eadn Ch\u00ednh x\u00e1c<\/h2>\n

The first document should name what will be certified or verified. \u201cCat6 with UL\u201d is incomplete because safety Listing, transmission-performance Verification, cable assemblies and installed cabling are different objects with different evidence.<\/strong><\/p>\n

UL Solutions states that communications cable types such as CMP, CMR and CM may be certified to UL 444, while performance verification can be provided separately when required.1<\/a><\/sup> H\u01b0\u1edbng d\u1eabn \u1ee8ng d\u1ee5ng D\u00e2y v\u00e0 C\u00e1p c\u1ee7a h\u00e3ng c\u0169ng ph\u00e2n bi\u1ec7t c\u00e1c s\u1ea3n ph\u1ea9m \u0110\u01b0\u1ee3c Li\u1ec7t k\u00ea, \u0110\u01b0\u1ee3c Ph\u00e2n lo\u1ea1i, \u0110\u01b0\u1ee3c Ch\u1ee9ng nh\u1eadn v\u00e0 \u0110\u01b0\u1ee3c X\u00e1c minh, \u0111\u1ed3ng th\u1eddi h\u01b0\u1edbng d\u1eabn ng\u01b0\u1eddi d\u00f9ng ki\u1ec3m tra danh m\u1ee5c s\u1ea3n ph\u1ea9m \u00e1p d\u1ee5ng v\u00e0 c\u00e1c d\u1ea5u hi\u1ec7u t\u01b0\u01a1ng \u1ee9ng.2<\/a><\/sup><\/p>\n\n\n\n\n\n\n\n\n
Requested object<\/th>\nQuy\u1ebft \u0111\u1ecbnh ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00f3ng b\u0103ng<\/th>\nB\u1eb1ng ch\u1ee9ng ch\u00ednh sau khi \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t<\/th>\nNh\u1eefng g\u00ec b\u1eb1ng ch\u1ee9ng kh\u00f4ng t\u1ef1 \u0111\u1ed9ng bao g\u1ed3m<\/th>\n<\/tr>\n<\/thead>\n
C\u00e1p truy\u1ec1n th\u00f4ng \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea<\/td>\nLo\u1ea1i c\u00e1p d\u1ef1 ki\u1ebfn, c\u1ea5u t\u1ea1o, \u0111\u1ecbnh m\u1ee9c, \u0111\u1ecba \u0111i\u1ec3m s\u1ea3n xu\u1ea5t v\u00e0 danh m\u1ee5c \u00e1p d\u1ee5ng<\/td>\nTh\u00f4ng tin Danh s\u00e1ch \u0110\u01b0\u1ee3c \u1ee7y quy\u1ec1n, c\u00e1c d\u1ea5u hi\u1ec7u v\u00e0 h\u1ed3 s\u01a1 Product iQ hi\u1ec7n h\u00e0nh<\/td>\nM\u1ed7i l\u1edbp v\u1ecf, d\u00e2y d\u1eabn, nh\u00e0 m\u00e1y ho\u1eb7c h\u1ecd c\u00e1p kh\u00e1c<\/td>\n<\/tr>\n
C\u00e1p LAN \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c minh hi\u1ec7u su\u1ea5t<\/td>\nTh\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt hi\u1ec7u su\u1ea5t truy\u1ec1n d\u1eabn ch\u00ednh x\u00e1c v\u00e0 c\u1ea5u t\u1ea1o s\u1ea3n ph\u1ea9m<\/td>\nD\u1ea5u x\u00e1c nh\u1eadn v\u00e0 ph\u1ea1m vi th\u01b0 m\u1ee5c ho\u1eb7c ch\u1ee9ng ch\u1ec9 c\u1ee5 th\u1ec3 c\u1ee7a s\u1ea3n ph\u1ea9m<\/td>\nDanh s\u00e1ch s\u1eed d\u1ee5ng cho m\u1ee5c \u0111\u00edch ph\u00f2ng ch\u00e1y ho\u1eb7c l\u1eafp \u0111\u1eb7t tr\u1eeb khi \u0111\u01b0\u1ee3c bao g\u1ed3m ri\u00eang bi\u1ec7t<\/td>\n<\/tr>\n
B\u1ed9 d\u00e2y c\u00e1p truy\u1ec1n th\u00f4ng<\/td>\nC\u1ea5u t\u1ea1o l\u1eafp r\u00e1p ho\u00e0n ch\u1ec9nh, c\u00e1c th\u00e0nh ph\u1ea7n v\u00e0 \u0111\u00e1nh gi\u00e1 y\u00eau c\u1ea7u<\/td>\nB\u1eb1ng ch\u1ee9ng Li\u1ec7t k\u00ea ho\u1eb7c X\u00e1c minh theo t\u1eebng c\u1ee5m l\u1eafp r\u00e1p<\/td>\nHi\u1ec7u su\u1ea5t c\u00e1p n\u1eb1m ngang d\u1ea1ng b\u00f3 ho\u1eb7c k\u00eanh \u0111\u00e3 l\u1eafp \u0111\u1eb7t<\/td>\n<\/tr>\n
Li\u00ean k\u1ebft c\u1ed1 \u0111\u1ecbnh ho\u1eb7c k\u00eanh \u0111\u00e3 l\u1eafp \u0111\u1eb7t<\/td>\nThi\u1ebft k\u1ebf c\u00f4ng tr\u00ecnh, c\u00e1c th\u00e0nh ph\u1ea7n, tay ngh\u1ec1 v\u00e0 gi\u1edbi h\u1ea1n th\u1eed nghi\u1ec7m t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng<\/td>\nB\u00e1o c\u00e1o th\u1eed nghi\u1ec7m th\u1ef1c \u0111\u1ecba d\u1ef1 \u00e1n<\/td>\nCh\u1ee9ng nh\u1eadn nh\u00e0 m\u00e1y c\u1ee7a ch\u00ednh c\u00e1p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Decision criterion: Ask the certifier to write the product category, target market, standard or program, cable type, manufacturing location, sample family and permitted marking. Keep safety Listing and performance Verification on separate lines even when the final product will carry both.<\/p>\n

Common mistakes: A buyer asks for a \u201cUL machine,\u201d treats a Cat6 field-test PASS as a cable Listing, or assumes that a UL logo printed on the jacket proves current coverage. None of these defines the actual certification object.<\/p>\n

L\u00e0m l\u1ea1nh c\u00e1p c\u00f3 th\u1ec3 b\u00e1n \u0111\u01b0\u1ee3c tr\u01b0\u1edbc khi ch\u1ecdn c\u00e1c b\u00e0i ki\u1ec3m tra<\/h2>\n

The factory should submit a controlled saleable construction, not a broad marketing family. The conductor, insulation system, pair design, separator or shielding, jacket compound, cable type, manufacturing site and markings all need an identified revision.<\/strong><\/p>\n

T\u1ed5ng quan hi\u1ec7n t\u1ea1i v\u1ec1 d\u00e2y v\u00e0 c\u00e1p c\u1ee7a UL Solutions li\u1ec7t k\u00ea CMP, CMR v\u00e0 CM l\u00e0 c\u00e1c lo\u1ea1i c\u00e1p truy\u1ec1n th\u00f4ng kh\u00e1c nhau \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 theo m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng d\u1ef1 ki\u1ebfn c\u1ee7a ch\u00fang.1<\/a><\/sup> The target cable type affects construction and evaluation; a factory should not select a jacket only by colour, processing convenience or a supplier’s generic \u201cUL material\u201d description.<\/p>\n

Trong c\u00e1c cu\u1ed9c th\u1ea3o lu\u1eadn x\u00e1c \u0111\u1ecbnh ph\u1ea1m vi thi\u1ebft b\u1ecb c\u1ee7a HONGKAI, n\u0103m c\u00e2u h\u1ecfi bi\u1ebfn \u201cT\u00f4i mu\u1ed1n s\u1ea3n xu\u1ea5t c\u00e1p m\u1ea1ng UL\u201d th\u00e0nh m\u1ed9t b\u1ea3n t\u00f3m t\u1eaft kh\u1edfi \u0111\u1ed9ng kh\u1ea3 thi:<\/p>\n\n\n\n\n\n\n\n\n\n
First question<\/th>\nNh\u1eefng g\u00ec ng\u01b0\u1eddi mua c\u1ea7n cung c\u1ea5p<\/th>\nQuy\u1ebft \u0111\u1ecbnh v\u1ec1 thi\u1ebft b\u1ecb ho\u1eb7c b\u1eb1ng ch\u1ee9ng<\/th>\n<\/tr>\n<\/thead>\n
S\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 b\u00e1n \u0111\u01b0\u1ee3c l\u00e0 c\u00e1p \u0111\u1ed3ng tr\u1ee5c hay d\u00e2y nh\u1ea3y ho\u00e0n ch\u1ec9nh?<\/td>\nChi\u1ec1u d\u00e0i h\u1ed9p\/cu\u1ed9n, k\u1ebft c\u1ea5u ru\u1ed9t d\u1eabn, \u0111\u1ed9 m\u1ec1m d\u1ebbo v\u00e0 vi\u1ec7c c\u00f3 bao g\u1ed3m l\u1eafp r\u00e1p \u0111\u1ea7u n\u1ed1i hay kh\u00f4ng<\/td>\nCh\u1ec9 s\u1ea3n xu\u1ea5t c\u00e1p so v\u1edbi th\u00eam vi\u1ec7c ch\u1ea5m d\u1ee9t v\u00e0 ki\u1ec3m tra l\u1eafp r\u00e1p<\/td>\n<\/tr>\n
Hi\u1ec7n t\u1ea1i c\u1ea7n nh\u1eefng k\u1ebft c\u1ea5u v\u00e0 h\u1ea1ng m\u1ee5c n\u00e0o?<\/td>\nM\u1ed9t b\u1ea3n v\u1ebd cho m\u1ed7i y\u00eau c\u1ea7u UTP, FTP, STP ho\u1eb7c SFTP, th\u1ec3 hi\u1ec7n ch\u00ednh x\u00e1c c\u00e1ch b\u1ed1 tr\u00ed c\u1eb7p d\u00e2y\/l\u1edbp ch\u1eafn t\u1ed5ng v\u00e0 d\u1ea3i ph\u00e2n lo\u1ea1i hi\u1ec7n t\u1ea1i<\/td>\n\u0110\u01b0\u1eddng d\u1eabn xo\u1eafn \u0111\u00f4i, x\u1eed l\u00fd l\u1edbp ph\u00e2n c\u00e1ch, b\u1ecdc l\u00e1 kim lo\u1ea1i, b\u1ec7n v\u00e0 \u0111i c\u00e1p<\/td>\n<\/tr>\n
\u201cUL\u201d trong \u0111\u01a1n mua h\u00e0ng n\u00e0y c\u00f3 ngh\u0129a l\u00e0 g\u00ec?<\/td>\nTh\u1ecb tr\u01b0\u1eddng m\u1ee5c ti\u00eau, lo\u1ea1i c\u00e1p d\u00f9ng cho l\u1eafp \u0111\u1eb7t, ch\u1ee9ng nh\u1eadn an to\u00e0n \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u v\u00e0 b\u1ea5t k\u1ef3 x\u00e1c minh hi\u1ec7u su\u1ea5t ri\u00eang bi\u1ec7t n\u00e0o<\/td>\nDanh m\u1ee5c ch\u1ee9ng nh\u1eadn v\u00e0 ch\u01b0\u01a1ng tr\u00ecnh th\u1eed nghi\u1ec7m \u00e1p d\u1ee5ng \u0111\u1ec3 x\u00e1c nh\u1eadn v\u1edbi t\u1ed5 ch\u1ee9c ch\u1ee9ng nh\u1eadn<\/td>\n<\/tr>\n
What materials and geometry define the sample?<\/td>\nConductor, insulation and jacket identities; solid or foamed insulation; dimensions and controlled drawing\/BOM revisions<\/td>\n\u0110\u00f9n \u00e9p, giao di\u1ec7n k\u00e9o s\u1ee3i, d\u1ee5ng c\u1ee5, \u0111i\u1ec1u khi\u1ec3n quy tr\u00ecnh v\u00e0 th\u1eed nghi\u1ec7m v\u1eadt li\u1ec7u<\/td>\n<\/tr>\n
What must the initial line deliver, and what is only a future target?<\/td>\nRa m\u1eaft s\u1ea3n ph\u1ea9m, c\u00e1c bi\u1ebfn th\u1ec3 sau n\u00e0y, \u0111\u1ea7u ra y\u00eau c\u1ea7u, \u0111\u1ecba \u0111i\u1ec3m s\u1ea3n xu\u1ea5t v\u00e0 n\u0103ng l\u1ef1c ph\u00f2ng th\u00ed nghi\u1ec7m hi\u1ec7n c\u00f3<\/td>\nPh\u1ea1m vi thi\u1ebft b\u1ecb ban \u0111\u1ea7u, c\u00e1c t\u00f9y ch\u1ecdn \u0111\u1ecbnh gi\u00e1 ri\u00eang bi\u1ec7t, giao di\u1ec7n th\u1eed nghi\u1ec7m chuy\u00ean d\u1ee5ng v\u00e0 k\u1ebf ho\u1ea1ch nghi\u1ec7m thu FAT<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Bulk packaging length is not a certification category. A customer’s shorthand such as a \u201c300 m box\u201d or a connection \u201cwithin 100 m\u201d must be replaced by the actual ordered length and test object. A patch cord is not simply every cable shorter than 100 m: Fluke Networks distinguishes the complete channel, including cords, from the fixed permanent link.3<\/a><\/sup><\/p>\n

Likewise, commercial shield abbreviations are not enough for machine selection. The approved cross-section must show whether shielding is around each pair, around the cabled core, or both, and identify foil, braid and drain-wire details. Keep each approved variant and its proposed print legend, reel\/box label, packaging, manufacturing site and subcontracted stages in the product-definition record.<\/p>\n

Tuy\u1ebfn m\u00e1y tu\u00e2n theo \u0111\u1ecbnh ngh\u0129a n\u00e0y. The Tuy\u1ebfn tham chi\u1ebfu HONGKAI Cat5\/Cat5e<\/a> shows insulation, pair twisting, cabling, sheathing, testing and packing as a connected process, with final construction and acceptance tied to the approved specification. A Cat6 or shielded construction may change separator handling, shielding equipment, process controls and laboratory scope; no common machine list proves that all variants belong in one certification family.<\/p>\n

What to ask: Request written confirmation from UL Solutions about the applicable category and the documents, samples and manufacturing-site information required for the proposed construction. Do this before purchasing certification labels or promising a launch date.<\/p>\n

Gh\u00e9p \u0111\u00f4i xo\u1eafn v\u00e0 c\u00e1ch \u0111i\u1ec7n theo c\u1ea5u tr\u00fac c\u1ed1 \u0111\u1ecbnh<\/h2>\n

Pair geometry and insulation stability deserve attention before the final cable is tested. Changing the twisting route, conductor, insulation compound or foaming process after sample confirmation can change the product being submitted, even if the finished jacket still looks the same.<\/strong><\/p>\n

For pair twisting, compare the actual machine design, tension path, back-twist capability where required, payoff\/take-up handling and demonstrated lay control. HONGKAI’s project experience includes triple-twist and other pair-twisting routes. For demanding constructions, Peter’s equipment-selection preference is to evaluate a suitable horizontal arrangement, but orientation alone is not proof of higher performance. Require trials on the intended conductor and insulation, agreed pitch measurements and downstream cable results before accepting a configuration.<\/p>\n

Conductor consistency and insulation geometry are separate acceptance items. The conductor’s material, dimensions, surface condition and electrical checks should follow the product specification. For the insulating layer around each conductor, specify the compound and whether the design uses solid insulation, chemical foaming or physical foaming. Do not confuse core-wire insulation with the finished outer jacket, or assume that a familiar PVC grade is suitable for every LAN construction or cable fire rating.<\/p>\n

Foaming is a process choice, not an automatic category upgrade or UL approval. Maillefer’s telecom-insulation documentation independently illustrates that solid and chemical-foam constructions require defined materials and line configurations, with drawing, extrusion and measurement functions coordinated as a system.4<\/a><\/sup> Those examples are technical context, not HONGKAI model specifications. A HONGKAI proposal must separately confirm its compound compatibility, extrusion\/foaming arrangement, tooling, concentricity control and agreed measurement provision. Moving between solid, chemical-foam and physical-foam designs requires a new compatibility and evidence review; it should not be treated as a recipe-only substitution.<\/p>\n

Evidence to request: Freeze the conductor and compound identities, pair lay plan, insulation dimensions, concentricity definition and, for a foamed construction, the foaming-degree definition and test method. Define acceptance limits from the approved product and trial plan; do not copy a generic machine brochure value into the certification specification.<\/p>\n

One project described by HONGKAI illustrates why the product range must precede the machine list: it covers UTP and SFTP constructions through Cat6A, with Cat7 as a later target. The discussed route combines drawing with chemical-foam insulation, triple twisting, active foil wrapping at cabling and a separately configured sheathing route. Different constructions may require different tape-handling provisions. This is a configuration example, not evidence that every variant was produced, that Cat7 was achieved, or that any product obtained UL Listing. Shielding and any protective metal-tape layer must be shown separately on the approved drawing.<\/p>\n

X\u00e2y d\u1ef1ng G\u00f3i \u0110\u00e1nh gi\u00e1 theo m\u1ed9t Tr\u00ecnh t\u1ef1 \u0110\u01b0\u1ee3c ki\u1ec3m so\u00e1t<\/h2>\n

The certification project should move from scope to construction evidence, representative samples, formal evaluation and production authorization. Individual projects vary, and UL Solutions describes the typical lifecycle as quote, testing and follow-up rather than a universal fixed timetable.5<\/a><\/sup><\/p>\n\n\n\n\n\n\n\n\n
Sequence<\/th>\nControlled output<\/th>\nC\u00e2u h\u1ecfi tr\u01b0\u1edbc giai \u0111o\u1ea1n ti\u1ebfp theo<\/th>\n<\/tr>\n<\/thead>\n
01 \u2014 Scope<\/td>\nLo\u1ea1i c\u00e1p, th\u1ecb tr\u01b0\u1eddng m\u1ee5c ti\u00eau, \u0111\u1ecba \u0111i\u1ec3m s\u1ea3n xu\u1ea5t, ch\u1ee9ng nh\u1eadn an to\u00e0n v\u00e0 b\u1ea5t k\u1ef3 x\u00e1c minh hi\u1ec7u su\u1ea5t ri\u00eang bi\u1ec7t n\u00e0o<\/td>\nC\u01a1 quan ch\u1ee9ng nh\u1eadn \u0111\u00e3 x\u00e1c nh\u1eadn ch\u01b0\u01a1ng tr\u00ecnh d\u1ef1 ki\u1ebfn ch\u01b0a?<\/td>\n<\/tr>\n
02 \u2014 Construction<\/td>\nB\u1ea3n v\u1ebd, BOM, quy tr\u00ecnh s\u1ea3n xu\u1ea5t, \u0111\u1ec1 xu\u1ea5t \u0111\u00e1nh d\u1ea5u, nh\u00e0 cung c\u1ea5p v\u00e0 quy tr\u00ecnh thay \u0111\u1ed5i<\/td>\nTh\u00f4ng s\u1ed1 th\u1eed nghi\u1ec7m c\u00f3 x\u00e1c \u0111\u1ecbnh phi\u00ean b\u1ea3n thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u kh\u00f4ng?<\/td>\n<\/tr>\n
03 \u2014 Evidence<\/td>\nC\u00e1c m\u1eabu \u0111\u1ea1i di\u1ec7n k\u00e8m theo h\u1ed3 s\u01a1 v\u1ec1 v\u1eadt li\u1ec7u, k\u00edch th\u01b0\u1edbc, \u0111i\u1ec7n v\u00e0 quy tr\u00ecnh<\/td>\nM\u1ed7i m\u1eabu \u0111\u00e3 n\u1ed9p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c truy v\u1ebft \u0111\u1ebfn l\u00f4 s\u1ea3n xu\u1ea5t th\u1ef1c t\u1ebf kh\u00f4ng?<\/td>\n<\/tr>\n
04 \u2014 Continuing control<\/td>\nPh\u00e1t hi\u1ec7n \u0111\u00e1nh gi\u00e1 ch\u00ednh th\u1ee9c, chu\u1ea9n b\u1ecb ki\u1ec3m tra ban \u0111\u1ea7u v\u00e0 ki\u1ec3m so\u00e1t theo d\u00f5i\/ghi d\u1ea5u \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n<\/td>\nNh\u00e0 m\u00e1y \u0111\u00e3 s\u1eb5n s\u00e0ng \u0111\u1ec3 duy tr\u00ec ph\u1ea1m vi \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t ch\u01b0a?<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Evidence to request: Keep the certifier’s proposal, product-category decision, sample instructions, construction description, test plan, findings, approved revisions, follow-up procedure, marking authorization and factory-inspection records under one controlled project number.<\/p>\n

L\u01b0u \u00fd: M\u1eabu ti\u1ec1n ch\u1ee9ng nh\u1eadn v\u01b0\u1ee3t qua ki\u1ec3m tra c\u1ee7a ph\u00f2ng th\u00ed nghi\u1ec7m n\u1ed9i b\u1ed9 ho\u1eb7c b\u00ean ngo\u00e0i l\u00e0 b\u1eb1ng ch\u1ee9ng k\u1ef9 thu\u1eadt h\u1eefu \u00edch. Tuy nhi\u00ean, \u0111i\u1ec1u n\u00e0y kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ef1 cho ph\u00e9p \u0111\u1ec3 d\u00e1n Nh\u00e3n UL.<\/p>\n

K\u1ebft n\u1ed1i m\u1ecdi giai \u0111o\u1ea1n s\u1ea3n xu\u1ea5t \u0111\u1ec3 duy tr\u00ec tu\u00e2n th\u1ee7 li\u00ean t\u1ee5c<\/h2>\n

A factory needs a control plan that can reproduce the evaluated construction. The useful question for each stage is: what product characteristic is created here, what record proves control, and what change requires technical review?<\/strong><\/p>\n

The production route can be designed backward from the approved cable. The table below is a proposed control map for the factory and certifier to review; it is not a substitute for the UL Follow-Up Services procedure.<\/p>\n\n\n\n\n\n\n\n\n\n\n
Production stage<\/th>\n\u0110\u1ea7u v\u00e0o ho\u1eb7c c\u00e0i \u0111\u1eb7t \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t<\/th>\nRetained evidence<\/th>\nThay \u0111\u1ed5i c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t l\u1ea1i<\/th>\n<\/tr>\n<\/thead>\n
Chu\u1ea9n b\u1ecb l\u00f5i d\u1eabn<\/td>\nV\u1eadt li\u1ec7u, c\u1ea5u t\u1ea1o, ngu\u1ed3n g\u1ed1c v\u00e0 t\u00ecnh tr\u1ea1ng d\u00e2y d\u1eabn th\u00e0nh ph\u1ea9m<\/td>\nH\u1ed3 s\u01a1 \u0111\u1ea7u v\u00e0o v\u1ec1 nh\u1eadn d\u1ea1ng, l\u00f4 h\u00e0ng, k\u00edch th\u01b0\u1edbc v\u00e0 \u0111i\u1ec7n tr\u1edf theo y\u00eau c\u1ea7u c\u1ee7a k\u1ebf ho\u1ea1ch ki\u1ec3m so\u00e1t<\/td>\nV\u1eadt li\u1ec7u, ngu\u1ed3n, l\u1edbp m\u1ea1 ho\u1eb7c k\u1ebft c\u1ea5u d\u00e2y d\u1eabn<\/td>\n<\/tr>\n
C\u00e1ch \u0111i\u1ec7n l\u00f5i d\u00e2y<\/td>\nH\u1ed7n h\u1ee3p, khu\u00f4n, \u0111\u01b0\u1eddng k\u00ednh, \u0111\u1ed9 \u0111\u1ed3ng t\u00e2m, m\u00e0u s\u1eafc v\u00e0 h\u1ec7 th\u1ed1ng t\u1ea1o x\u1ed1p (n\u1ebfu s\u1eed d\u1ee5ng) \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t<\/td>\nL\u00f4 h\u1ee3p ch\u1ea5t, thi\u1ebft l\u1eadp d\u00e2y chuy\u1ec1n, d\u1eef li\u1ec7u k\u00edch th\u01b0\u1edbc, k\u1ebft qu\u1ea3 m\u1ee9c \u0111\u1ed9 t\u1ea1o x\u1ed1p (khi \u00e1p d\u1ee5ng) v\u00e0 h\u1ed3 s\u01a1 kh\u00f4ng ph\u00f9 h\u1ee3p<\/td>\nC\u1ea5p \u0111\u1ed9 h\u1ee3p ch\u1ea5t ho\u1eb7c nh\u00e0 cung c\u1ea5p, k\u1ebft c\u1ea5u \u0111\u1eb7c\/qu\u00e1 tr\u00ecnh t\u1ea1o b\u1ecdt, ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o b\u1ecdt ho\u1eb7c khu\u00f4n m\u1eabu<\/td>\n<\/tr>\n
Xo\u1eafn c\u1eb7p<\/td>\n\u0110\u1ecbnh danh \u0111\u00f4i, s\u01a1 \u0111\u1ed3 b\u1ec7n, tuy\u1ebfn \u0111\u01b0\u1eddng c\u0103ng v\u00e0 kh\u1ea3 n\u0103ng truy xu\u1ea5t cu\u1ed9n d\u00e2y<\/td>\nSetup sheet, measured pitch, pair\/reel ID and agreed in-process checks<\/td>\nK\u1ebf ho\u1ea1ch b\u1ec7n, tuy\u1ebfn m\u00e1y ho\u1eb7c ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u khi\u1ec3n l\u1ef1c c\u0103ng<\/td>\n<\/tr>\n
C\u00e1p v\u00e0 che ch\u1eafn<\/td>\nV\u1ecb tr\u00ed c\u1eb7p, b\u1ed9 ph\u00e2n c\u00e1ch, l\u00e1 ch\u1eafn, d\u00e2y tho\u00e1t ho\u1eb7c c\u1ea5u tr\u00fac b\u1ec7n<\/td>\nH\u1ed3 s\u01a1 l\u01b0u chuy\u1ec3n, c\u00e1c l\u00f4 v\u1eadt li\u1ec7u, h\u1ed3 s\u01a1 h\u00ecnh h\u1ecdc l\u00f5i v\u00e0 t\u00ednh li\u00ean t\u1ee5c, n\u1ebfu \u00e1p d\u1ee5ng<\/td>\nV\u1eadt li\u1ec7u l\u1edbp ph\u00e2n c\u00e1ch, l\u1edbp ch\u1eafn, \u0111\u1ed9 ch\u1ed3ng l\u1ea5n, thi\u1ebft k\u1ebf d\u00e2y tho\u00e1t ho\u1eb7c b\u1ec7n<\/td>\n<\/tr>\n
V\u1ecf b\u1ecdc v\u00e0 \u0111\u00e1nh d\u1ea5u<\/td>\nH\u1ed7n h\u1ee3p l\u1edbp v\u1ecf \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t, th\u00e0nh \u1ed1ng, k\u00edch th\u01b0\u1edbc ho\u00e0n thi\u1ec7n, k\u00fd hi\u1ec7u in v\u00e0 t\u00ecnh tr\u1ea1ng b\u1ec1 m\u1eb7t<\/td>\nL\u00f4 v\u1ecf b\u1ecdc, h\u1ed3 s\u01a1 k\u00edch th\u01b0\u1edbc, ph\u00ea duy\u1ec7t b\u1ea3n in v\u00e0 m\u00e3 cu\u1ed9n<\/td>\nLo\u1ea1i v\u1ecf b\u1ecdc ho\u1eb7c nh\u00e0 cung c\u1ea5p, lo\u1ea1i c\u00e1p, \u0111\u1ecbnh m\u1ee9c ho\u1eb7c th\u00f4ng tin in tr\u00ean c\u00e1p<\/td>\n<\/tr>\n
Ki\u1ec3m tra cu\u1ed1i c\u00f9ng v\u00e0 \u0111\u00f3ng g\u00f3i<\/td>\nM\u1eabu x\u00e1c \u0111\u1ecbnh, ph\u01b0\u01a1ng ph\u00e1p, ngu\u1ed3n ch\u1ea5p nh\u1eadn v\u00e0 nh\u00e3n bao b\u00ec<\/td>\nRaw results, disposition, reel\/box traceability and label control<\/td>\nPh\u01b0\u01a1ng ph\u00e1p th\u1eed, c\u01a1 s\u1edf l\u1ea5y m\u1eabu, gi\u1edbi h\u1ea1n ph\u1ea7n m\u1ec1m, bao b\u00ec ho\u1eb7c n\u1ed9i dung nh\u00e3n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

The earlier H\u01b0\u1edbng d\u1eabn tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n nh\u00e0 m\u00e1y cho c\u00e1p Cat6<\/a> explains why a final analyzer cannot repair uncontrolled conductor, insulation or pair geometry. The same logic matters here: certification evidence must be linked to the process that made the sample and to the production records that will continue after approval.<\/p>\n

How to verify: Select one finished reel or box and trace it backward to the approved construction, material lots, process records, inspection results, final test and authorized label. Then select one material or process change and show who decides whether certification review is required before production resumes.<\/p>\n

T\u00e1ch ri\u00eang c\u00e1c Ki\u1ec3m tra s\u01a1 b\u1ed9 t\u1ea1i nh\u00e0 m\u00e1y kh\u1ecfi Quy\u1ebft \u0111\u1ecbnh UL<\/h2>\n

Factory and third-party prechecks reduce avoidable risk, but UL Solutions controls the formal investigation scope, sample requirements, acceptance decision and authorization to use its Mark. The factory laboratory should support the submission without describing itself as the certifier.<\/strong><\/p>\n

Before formal evaluation, the factory can check whether the proposed construction is stable enough to submit. Useful preparation may include dimensional checks, conductor and insulation records, electrical prechecks, fire-test preparation by an appropriate laboratory, marking review and repeat builds from more than one production run. The exact method, equipment, sample count and pass\/fail source must come from the agreed certification plan and applicable requirements.<\/p>\n

For the equipment FAT, HONGKAI’s practical record priorities are measured pair lay\/pitch, insulation concentricity and foaming degree whenever foamed insulation is used. Do not replace the last item with an operator’s observation that the insulation \u201clooks foamed.\u201d Agree the measurement definition, method, instrument and sampling locations before the trial, then retain actual results, units, acceptance source, instrument identity, operator\/date and disposition.<\/p>\n

Link these records to the drawing revision, machine setup, conductor and compound lots, trial reel and retained sample IDs. Record the trial conditions actually demonstrated; one successful sample is not evidence of an untested speed, material or product range. These FAT measurements support sample preparation and repeatability, but they are not a complete UL test program.<\/p>\n

\"Chu\u1ed7i<\/p>\n

Explanatory 3D illustration, not a real test report or certification result. Retain measured pitch, concentricity and foaming degree when applicable, linked to the actual sample.<\/em><\/p>\n

Xem minh h\u1ecda chu\u1ed7i h\u1ed3 s\u01a1 k\u00edch th\u01b0\u1edbc \u0111\u1ea7y \u0111\u1ee7<\/a>.<\/p>\n\n\n\n\n\n\n\n\n\n
Evidence layer<\/th>\nResponsible party<\/th>\nQuy\u1ebft \u0111\u1ecbnh m\u00e0 n\u00f3 h\u1ed7 tr\u1ee3<\/th>\n<\/tr>\n<\/thead>\n
H\u1ed3 s\u01a1 thi\u1ebft l\u1eadp m\u00e1y v\u00e0 h\u1ed3 s\u01a1 trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t<\/td>\nNh\u00e0 m\u00e1y c\u00e1p v\u1edbi \u0111\u1ea7u v\u00e0o t\u1eeb nh\u00e0 cung c\u1ea5p thi\u1ebft b\u1ecb<\/td>\nLi\u1ec7u k\u1ebft c\u1ea5u \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1i t\u1ea1o trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n x\u00e1c \u0111\u1ecbnh hay kh\u00f4ng<\/td>\n<\/tr>\n
Ki\u1ec3m tra s\u01a1 b\u1ed9 t\u1ea1i ph\u00f2ng th\u00ed nghi\u1ec7m n\u1ed9i b\u1ed9<\/td>\nNh\u00e0 m\u00e1y c\u00e1p ho\u1eb7c ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u1ea1t ti\u00eau chu\u1ea9n<\/td>\nLi\u1ec7u c\u00e1c m\u1eabu c\u00f3 v\u1ebb \u0111\u00e3 s\u1eb5n s\u00e0ng \u0111\u1ec3 n\u1ed9p ch\u00ednh th\u1ee9c hay kh\u00f4ng v\u00e0 quy tr\u00ecnh \u0111ang kh\u00f4ng \u1ed5n \u0111\u1ecbnh \u1edf \u0111\u00e2u<\/td>\n<\/tr>\n
Quy\u1ebft \u0111\u1ecbnh \u0111\u00e1nh gi\u00e1 v\u00e0 ch\u1ee9ng nh\u1eadn ch\u00ednh th\u1ee9c<\/td>\nUL Solutions theo ch\u01b0\u01a1ng tr\u00ecnh \u0111\u00e3 th\u1ecfa thu\u1eadn<\/td>\nLi\u1ec7u s\u1ea3n ph\u1ea9m v\u00e0 \u0111\u1ecba \u0111i\u1ec3m \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh c\u00f3 \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n thu\u1ed9c ph\u1ea1m vi ch\u1ee9ng nh\u1eadn \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n hay kh\u00f4ng<\/td>\n<\/tr>\n
X\u00e1c minh hi\u1ec7u su\u1ea5t truy\u1ec1n t\u1ea3i \u0111\u1ed9c l\u1eadp<\/td>\nUL Solutions ho\u1eb7c m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh kh\u00e1c, khi \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u<\/td>\nLi\u1ec7u c\u00e1p \u0111\u00e3 x\u00e1c \u0111\u1ecbnh c\u00f3 \u0111\u00e1p \u1ee9ng \u0111\u1eb7c t\u1ea3 hi\u1ec7u su\u1ea5t \u0111\u01b0\u1ee3c n\u00eau trong ph\u1ea1m vi c\u1ee7a ch\u01b0\u01a1ng tr\u00ecnh \u0111\u00f3 hay kh\u00f4ng<\/td>\n<\/tr>\n
Ki\u1ec3m tra hi\u1ec7n tr\u01b0\u1eddng c\u00e1p \u0111\u00e3 l\u1eafp \u0111\u1eb7t<\/td>\nNg\u01b0\u1eddi l\u1eafp \u0111\u1eb7t, \u0111\u1ed9i ki\u1ec3m tra d\u1ef1 \u00e1n ho\u1eb7c k\u1ef9 thu\u1eadt vi\u00ean hi\u1ec7n tr\u01b0\u1eddng \u0111\u1ee7 n\u0103ng l\u1ef1c<\/td>\nLi\u1ec7u li\u00ean k\u1ebft ho\u1eb7c k\u00eanh \u0111\u00e3 l\u1eafp \u0111\u1eb7t c\u00f3 \u0111\u00e1p \u1ee9ng gi\u1edbi h\u1ea1n tr\u01b0\u1eddng c\u1ee7a d\u1ef1 \u00e1n hay kh\u00f4ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Red flags: The submission sample was made with unrecorded hand adjustments; the production BOM differs from the tested sample; a third-party report does not identify the exact construction; or the factory plans to replace compounds after approval without a documented review path.<\/p>\n

Chu\u1ea9n b\u1ecb nh\u00e0 m\u00e1y cho d\u1ecbch v\u1ee5 \u0111\u00e1nh d\u1ea5u v\u00e0 theo d\u00f5i<\/h2>\n

UL Listing continues after the initial evaluation. The factory must protect the approved construction, authorized labels, production records, inspection access and change-control process for as long as it produces marked cable.<\/strong><\/p>\n

UL Solutions states that the complete Listing Mark on the tag attached to the reel or smallest unit container is the proof that a particular wire or cable unit is UL Listed; surface printing is supplemental.2<\/a><\/sup> The same guide says holographic labels are required for Listed communications cable and several related wire-and-cable categories. UL Solutions also explains that initial product inspection and follow-up services are part of the customer lifecycle.5<\/a><\/sup><\/p>\n

T\u1ec7p h\u1ed3 s\u01a1 s\u1eb5n s\u00e0ng c\u1ee7a nh\u00e0 m\u00e1y c\u1ea7n x\u00e1c \u0111\u1ecbnh:<\/p>\n