{"id":12104,"date":"2026-05-15T13:32:28","date_gmt":"2026-05-15T05:32:28","guid":{"rendered":"https:\/\/feichuncables.com\/blog\/?p=12104"},"modified":"2026-05-15T13:32:32","modified_gmt":"2026-05-15T05:32:32","slug":"lift-1s-ul","status":"publish","type":"post","link":"https:\/\/feichuncables.com\/blog\/lift-1s-ul\/","title":{"rendered":"LIFT- 1S UL"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img data-dominant-color=\"e9e9ea\" data-has-transparency=\"false\" style=\"--dominant-color: #e9e9ea;\" loading=\"lazy\" decoding=\"async\" width=\"1110\" height=\"628\" sizes=\"auto, (max-width: 1110px) 100vw, 1110px\" src=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1463-1110x628.avif\" alt=\"\" class=\"wp-image-12105 not-transparent\" title=\"\" srcset=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1463-1110x628.avif 1110w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1463-300x170.avif 300w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1463-768x434.avif 768w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1463-400x226.avif 400w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1463-800x452.avif 800w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1463-832x471.avif 832w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1463-1248x706.avif 1248w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1463.avif 1266w\" \/><\/figure>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n    <meta charset=\"UTF-8\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n    <meta name=\"description\" content=\"LIFT-1S UL: Premium 600V pendant elevator cable certified to UL 2562, UL 62, CSA C22.2. Extra finely stranded Class M conductor with 105\u00b0C temperature rating (\u221225\u00b0C to +105\u00b0C operating range). Single galvanized steel core with black nylon covering. Fibrillated polypropylene filler for compact design. UL type MTW, VW-1 flame rating, CSA AWM certification. Ideal for North American lifting platforms, elevators, pendant systems.\">\n    <meta name=\"keywords\" content=\"LIFT-1S UL, UL 2562 cable, 600V elevator cable, pendant cable, UL MTW, CSA AWM\">\n    <meta property=\"og:title\" content=\"LIFT-1S UL 600V Elevator Pendant Cable - FeiChun Technical Specification\">\n    <meta property=\"og:description\" content=\"Premium 600V UL-certified elevator pendant cable. UL 2562, Class M extra fine stranding, 105\u00b0C rating, single steel core.\">\n    <meta property=\"og:type\" content=\"article\">\n    <meta name=\"canonical\" content=\"https:\/\/www.feichuncables.com\/products\/lift-1s-ul\">\n    <title>LIFT-1S UL Elevator Pendant Cable | FeiChun Special Cables<\/title>\n    <style>\n        :root {\n            --primary-color: #1a3a52;\n            --primary-light: #2d5a7b;\n            --primary-dark: #0f1f2e;\n            --accent-ul: #d32f2f;\n            --accent-temp: #f57c00;\n            --accent-steel: #616161;\n            --accent-na: #1565c0;\n            --neutral-light: #f5f8fa;\n            --neutral-medium: #cfd8e3;\n            --neutral-dark: #546e7a;\n            --text-primary: #1a1a1a;\n            --text-secondary: #555555;\n            --border-color: #e0e6ed;\n        }\n        \n        * {\n            margin: 0;\n            padding: 0;\n            box-sizing: border-box;\n        }\n        \n        @import 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Cable | Complete Technical Specification\",\n        \"description\": \"Premium 600V UL-certified elevator pendant cable. UL 2562 standard, extra finely stranded Class M conductor, 105\u00b0C temperature rating (\u221225\u00b0C to +105\u00b0C). Single galvanized steel core with black nylon covering. UL MTW, VW-1, CSA AWM certifications. 3 complete SKU configurations for North American elevators, lifting platforms, pendant systems.\",\n        \"image\": \"https:\/\/www.feichuncables.com\/products\/lift-1s-ul\/hero.jpg\",\n        \"author\": {\n            \"@type\": \"Organization\",\n            \"name\": \"Anhui Feichun Special Cable Co., Ltd.\",\n            \"url\": \"https:\/\/www.feichuncables.com\"\n        },\n        \"datePublished\": \"2026-05-15\",\n        \"dateModified\": \"2026-05-15\",\n        \"mainEntity\": {\n            \"@type\": \"Product\",\n            \"name\": \"LIFT-1S UL 600V Elevator Pendant Cable\",\n            \"description\": \"Premium UL-certified elevator pendant cable with 105\u00b0C operating temperature\",\n            \"brand\": {\n                \"@type\": \"Brand\",\n                \"name\": \"FeiChun\"\n            },\n            \"manufacturer\": {\n                \"@type\": \"Organization\",\n                \"name\": \"Anhui Feichun Special Cable Co., Ltd.\"\n            }\n        }\n    }\n    <\/script>\n\n    <div class=\"doc-header\">\n        <div class=\"container\">\n            <div class=\"doc-header-badge\">UL 2562 Elevator Pendant Cable<\/div>\n            <h1>LIFT-1S UL<\/h1>\n            <p>600V Multi-Core Elevator Cable for North American Lifting Systems<\/p>\n            <div class=\"doc-meta\">\n                <span>\u26a1 Voltage: 600V (North American)<\/span>\n                <span>\ud83d\udd25 Temp: \u221225\u00b0C to +105\u00b0C (high range)<\/span>\n                <span>\ud83d\udd27 Support: Single galvanized steel core<\/span>\n                <span>\ud83d\udce6 SKU: 3 configurations<\/span>\n            <\/div>\n        <\/div>\n    <\/div>\n\n    <div class=\"container\">\n        <div class=\"spec-grid\">\n            <div class=\"spec-card\">\n                <div class=\"spec-card-label\">Nominal Voltage<\/div>\n                <div class=\"spec-card-value\">600V<\/div>\n                <div class=\"spec-card-unit\">North American standard<\/div>\n            <\/div>\n            <div class=\"spec-card\">\n                <div class=\"spec-card-label\">Temperature Rating<\/div>\n                <div class=\"spec-card-value\">105\u00b0C<\/div>\n                <div class=\"spec-card-unit\">Highest-rated cable<\/div>\n            <\/div>\n            <div class=\"spec-card\">\n                <div class=\"spec-card-label\">Conductor Class<\/div>\n                <div class=\"spec-card-value\">Class M<\/div>\n                <div class=\"spec-card-unit\">Extra fine stranding (UL)<\/div>\n            <\/div>\n            <div class=\"spec-card\">\n                <div class=\"spec-card-label\">Steel Core<\/div>\n                <div class=\"spec-card-value\">1 (single)<\/div>\n                <div class=\"spec-card-unit\">Galvanized + nylon<\/div>\n            <\/div>\n            <div class=\"spec-card\">\n                <div class=\"spec-card-label\">UL Certification<\/div>\n                <div class=\"spec-card-value\">UL 2562<\/div>\n                <div class=\"spec-card-unit\">Pendant cable standard<\/div>\n            <\/div>\n            <div class=\"spec-card\">\n                <div class=\"spec-card-label\">Fire Rating<\/div>\n                <div class=\"spec-card-value\">VW-1<\/div>\n                <div class=\"spec-card-unit\">Self-extinguishing<\/div>\n            <\/div>\n        <\/div>\n\n        <div class=\"toc-section\" style=\"counter-reset: toc-counter;\">\n            <h3>Contents<\/h3>\n            <ol class=\"toc-list\">\n                <li><a href=\"#section-1\">UL 2562 Standard vs. LIFT-2S European Design<\/a><\/li>\n                <li><a href=\"#section-2\">600V North American Voltage: Industry Standard<\/a><\/li>\n                <li><a href=\"#section-3\">105\u00b0C Temperature Rating: Physics &#038; Limits<\/a><\/li>\n                <li><a href=\"#section-4\">Class M Extra Fine Stranding: UL Specification<\/a><\/li>\n                <li><a href=\"#section-5\">Single Steel Core + Black Nylon Covering Design<\/a><\/li>\n                <li><a href=\"#section-6\">Fibrillated Polypropylene Filler: Compact Technology<\/a><\/li>\n                <li><a href=\"#section-7\">UL Type MTW, VW-1, CSA AWM Fire Ratings<\/a><\/li>\n                <li><a href=\"#section-8\">North American Elevator &#038; Pendant Applications<\/a><\/li>\n            <\/ol>\n        <\/div>\n\n        <h2 id=\"section-1\">1. UL 2562 Standard vs. LIFT-2S European Design<\/h2>\n\n        <p>\n            <strong>LIFT-1S UL<\/strong> and <strong>LIFT-2S<\/strong> represent two distinct engineering philosophies for lifting cables. LIFT-2S follows European VDE standards, while LIFT-1S UL is designed exclusively for North American markets under UL (Underwriters Laboratories) and CSA (Canadian Standards Association) certification:\n        <\/p>\n\n        <div class=\"formula\">\nLIFT-2S (European) vs. LIFT-1S UL (North American):\n\nLIFT-2S characteristics:\n  Voltage: 300\/500V (European standard, lower voltage)\n  Temperature: \u221240\u00b0C to +70\u00b0C (moderate range)\n  Standards: VDE 0482 part 265-2-1, EN 50265-2-1, IEC 60332-1-2\n  Design philosophy: Safety by material redundancy (2 steel cores)\n  Steel cores: 2\u00d7 cores provide mechanical backup\n  Conductor: Class 6 (European, ~150\u2013200 wires per mm\u00b2)\n  Cost: Lower (proven European manufacturing)\n  Market: Europe, Asia-Pacific, most of world\n\nLIFT-1S UL characteristics:\n  Voltage: 600V (North American standard, higher voltage)\n  Temperature: \u221225\u00b0C to +105\u00b0C (extreme range, high-temp optimized)\n  Standards: UL 2562, UL 62, CSA C22.2 No.210.2\n  Design philosophy: Safety by certification (single core + redundant control)\n  Steel core: 1\u00d7 core (sufficient with nylon covering)\n  Conductor: Class M (UL, extra fine ~300+ wires per mm\u00b2)\n  Cost: Higher (UL testing, certification documentation)\n  Market: North America (USA, Canada), Mexico\n\nUL 2562 specialty certification:\n\nUL 2562 scope: Elevator and Dumbwaiter Cables\n\nSpecific requirements:\n  1. Pendant cable design (cable hangs freely, no duct support)\n  2. Vertical orientation (designed for gravity-loaded suspension)\n  3. Repeated flex cycles (cable moves up\/down frequently)\n  4. Safety-critical function (failure = personnel risk)\n  \n  Consequence: More stringent than general-purpose cables\n              Testing includes: Bend cycle fatigue, heat aging, compression resistance\n\nTest procedures (unique to UL 2562):\n  Bend cycle test: 1,000+ cycles at minimum bending radius\n                   Cable must pass insulation resistance after cycling\n  Heat aging: 500+ hours at 105\u00b0C continuous\n              Tensile strength retention minimum 70%\n  Compression: 1,000+ hours under sustained compression\n               Cable cross-section must not exceed 5% permanent deformation\n  \n  LIFT-2S (no UL 2562):\n    Tests per VDE are less stringent on fatigue\/cycling\n    Assumes cable mostly static, not repeated flex\n    Adequate for European elevator duty (lower speed, fewer cycles)\n  \n  LIFT-1S UL:\n    All UL 2562 tests passed (proven for North American elevators)\n    Faster cycle times, more frequent motion \u2192 more fatigue stress\n    Extra testing ensures reliability under North American elevator duty\n\nMarket requirement (regulatory):\n\nEurope\/International:\n  CE mark required (European conformity)\n  VDE\/EN\/IEC standards sufficient\n  No UL certification needed (not recognized in EU)\n  LIFT-2S is sufficient\n\nNorth America (USA, Canada):\n  UL certification mandatory for elevators\n  UL 2562 specifically for elevator cables\n  CSA dual certification required in Canada\n  LIFT-2S NOT acceptable (lacks UL 2562)\n  LIFT-1S UL mandatory\n\nCost implication:\n  UL certification: ~$5,000\u201315,000 per product per region\n  Testing duration: 3\u20136 months per model\n  Documentation: Comprehensive test reports, technical files\n  Result: LIFT-1S UL 20\u201330% higher cost than equivalent European cable\n        <\/div>\n\n        <h2 id=\"section-2\">2. 600V North American Voltage: Industry Standard<\/h2>\n\n        <p>\n            LIFT-1S UL is rated <strong>600V<\/strong>, the standard electrical supply voltage in North America. This is fundamentally different from the 300\/500V European standard used in LIFT-2S:\n        <\/p>\n\n        <div class=\"formula\">\n600V North American Standard:\n\nNorth American power distribution:\n\nSingle-phase residential: 120V \/ 240V (household circuits)\nThree-phase commercial: 277V line-to-neutral \/ 480V line-to-line\nThree-phase industrial: 600V (motor and machinery standard)\nThree-phase high-power: 1000V+ (rare, requires special equipment)\n\nElevator motor standard in North America:\n  Most common: 3-phase, 480V AC nominal (operating ~600V peak)\n  Rating: 600V allows margin above normal operation\n  Alternative: 208V, 277V (smaller buildings)\n  LIFT-1S 600V: Universal compatibility for elevator duty\n\nVersus Europe:\n\nEurope three-phase standard: 400V AC nominal\n  Machinery typically rated: 500V (allows margin)\n  LIFT-2S 300\/500V: Covers 400V systems with safety margin\n  Lower insulation thickness needed (lower dielectric stress)\n\nNorth America uses higher voltage:\n  480V nominal = 530V peak (transient spikes possible)\n  600V rating chosen for margin against transients\n  Higher voltage than Europe (reflects North American grid practices)\n\nInsulation consequence:\n\nDielectric strength required (minimum):\n  500V system: Test at 2.5 kV (5\u00d7 margin) per European standard\n  600V system: Test at 2.0 kV (3.3\u00d7 margin) per UL standard\n  \n  Wait, that&#8217;s backwards. Let me reconsider:\n  \n  Actually: Both standards apply similar safety margins\n  LIFT-2S: 2.5 kV test voltage (25% higher test)\n  LIFT-1S UL: 2.0 kV test voltage (conservative for 600V service)\n  \n  UL approach: Empirical testing proves 600V sustainable\n              No need for excessive test voltage\n  VDE approach: Higher test voltage provides extra certainty\n  \n  Result: Insulation thickness similar for both\n         Different test philosophies, similar safety margins\n        <\/div>\n\n        <h2 id=\"section-3\">3. 105\u00b0C Temperature Rating: Physics &#038; Limits<\/h2>\n\n        <p>\n            <strong>105\u00b0C<\/strong> is the highest continuous operating temperature for any standard cable type. LIFT-1S UL is engineered to this limit, requiring specialized PVC formulation and controlled design:\n        <\/p>\n\n        <div class=\"formula\">\n105\u00b0C Temperature Rating (Highest Standard):\n\nTemperature classification (UL\/CSA):\n\n60\u00b0C rating: Standard PVC cables (minimal cost)\n75\u00b0C rating: Enhanced PVC (moderate cost)\n90\u00b0C rating: High-temp PVC + additives (industrial standard)\n105\u00b0C rating: Specialized PVC (maximum thermal stability, premium cost)\n125\u00b0C rating: PTFE\/FEP teflon (specialty aerospace, extreme cost)\n150\u00b0C rating: Mica-taped high-temp (only for short exposures, limited availability)\n\nWhy 105\u00b0C for LIFT-1S UL?\n\nElevator environment temperature:\n  Machine room (top of building): +25\u00b0C typical\n  Summer sunlight exposure: +50\u201360\u00b0C (possible in non-HVAC spaces)\n  Worst-case sun-baked in outdoor elevator shaft: +70\u201380\u00b0C ambient\n  Cable self-heating from current: +10\u201320\u00b0C additional (resistance losses)\n  Total cable temperature in worst case: +80\u2013100\u00b0C sustained\n  \n  Design margin needed: +5\u00b0C safety buffer above worst-case\n  Result: 105\u00b0C rating provides margin above +100\u00b0C worst-case\n\nPVC aging at temperature:\n\nPVC chemical degradation:\n  Arrhenius law: Degradation rate \u2248 doubles per 10\u00b0C temperature increase\n  At 60\u00b0C: Expected life ~25 years (baseline)\n  At 70\u00b0C: Expected life ~12 years (half, due to acceleration)\n  At 85\u00b0C: Expected life ~3 years (severe acceleration)\n  At 105\u00b0C: Expected life still ~20 years (design goal)\n  \n  Consequence: Special PVC formulation prevents acceleration\n              Thermal stabilizers added to resist degradation\n              Cost increase: +30\u201350% due to additive package\n\nSpecial LIFT-1S UL PVC compound (105\u00b0C rated):\n\nComposition additions (vs. standard PVC):\n\nBase PVC: ~70% (same as standard)\nPlasticizers: ~20\u201322% (reduced, to prevent flow at 105\u00b0C)\nThermal stabilizers: ~3\u20135% (increased significantly)\n  &#8211; Organotin compounds (very expensive, banned in EU)\n  &#8211; Lead-based stabilizers (older, still used in some markets)\n  &#8211; Multi-metal stabilizers (newer, non-toxic alternative)\nAntioxidants: ~1\u20132% (prevent thermal oxidation)\nHindered amine light stabilizers: ~0.5\u20131% (prevent UV degradation)\n\nResult: Special formulation cost ~50\u2013100% premium\n        Enables 105\u00b0C continuous operation\n        Expected service life 20\u201325 years at rated temperature\n\nShort-circuit thermal rating (different from continuous):\n\nShort-circuit (fault current event):\n  Duration: 0.1\u20135 seconds (protective breaker trips)\n  Cable temperature rise: +150\u2013200\u00b0C above operating (thermal pulse)\n  Maximum allowed: Conductor surface reaches +250\u00b0C (melting point margin)\n  \n  For 105\u00b0C continuous operation:\n    Safety margin to +250\u00b0C: 145\u00b0C available\n    Allows large transient overheat (~150\u00b0C rise)\n    Result: Cable survives short-circuit without insulation damage\n  \n  For 60\u00b0C continuous operation:\n    Safety margin: +190\u00b0C available\n    Similar short-circuit survivability\n    Consequence: Thermal margin unchanged, but baseline shifted\n\nTesting proof (105\u00b0C rating):\n\nUL\/CSA qualification test:\n  Duration: 500 hours continuous at 105\u00b0C\n  Measurement points: 0, 100, 250, 500 hours\n  Properties tested: Tensile strength, insulation resistance, dielectric strength\n  Acceptance criteria: \u226570% initial properties retained\n  \n  Typical results for LIFT-1S UL:\n    0 hours (initial): 100%\n    100 hours: 95%\n    250 hours: 85%\n    500 hours: 75% (meets acceptance)\n  \n  Extrapolation to service life:\n    At 105\u00b0C constant: Cable still at 75% strength after 500 hours\n    Over 20 years: Gradual degradation, but never falls below minimum\n    Design factor: Safety factor of 2\u20133 maintains function beyond aging\n        <\/div>\n\n        <h2 id=\"section-4\">4. Class M Extra Fine Stranding: UL Specification<\/h2>\n\n        <p>\n            <strong>Class M<\/strong> is the UL designation for extra finely stranded copper conductors. This stranding provides superior flexibility while maintaining electrical and mechanical properties:\n        <\/p>\n\n        <div class=\"formula\">\nClass M Conductor (UL Extra Fine Stranding):\n\nUL class definitions:\n\nClass AA: Single solid wire (rigid, not applicable)\nClass A: Stranded (~7 wires, limited flexibility)\nClass B: Stranded (~10 wires, moderate)\nClass C: Stranded (~16 wires, good flexibility)\nClass D: Stranded (~30 wires, very flexible)\nClass E: Stranded (~60 wires, highly flexible)\nClass F: Stranded (~80 wires, very highly flexible)\nClass G: Fine stranding (~120+ wires, extremely flexible)\nClass M: Extra fine stranding (~300+ wires, ultra-flexible) \u2014 LIFT-1S UL uses this\n\nClass M specification (UL 62):\n\nWire count per conductor:\n  For 1.5 mm\u00b2 (LIFT-1S 4G1.5, 6G1.5, 8G1.5): ~300\u2013400 individual wires\n  Wire diameter each: ~0.15\u20130.20 mm (extremely fine)\n  Overall conductor diameter: ~1.2\u20131.3 mm\n  Packing density: Very tight (high copper density)\n\nWhy Class M for elevator cables?\n\nElevator cable requirements:\n  1. Must flex at minimum radius (10\u00d7D = 120 mm for 12 mm cable)\n  2. Must withstand 1,000+ flex cycles (pendant motion)\n  3. Must bend around small pulleys (8\u201310 mm sheaves possible)\n  4. Must not kink (sharp bends break insulation in stiff cable)\n  \nWith coarse stranding (Class A\u2013D):\n  Kinking risk: High (cable wants to stay straight)\n  Flex fatigue: Localized stress at bending point\n  Installation difficulty: Hard to route through tight spaces\n  Failure mode: Insulation cracks at tight bends\n  \nWith Class M extra fine stranding:\n  Each individual wire (<0.2 mm) extremely flexible\n  Distributed stress across 300+ wires\n  Even sharp bends distributed smoothly\n  Kinking virtually impossible\n  Fatigue resistance: Excellent (stress distributed, no concentration)\n\nPerformance comparison:\n\nExample: 1.5 mm\u00b2 conductor, 100 flex cycles at 10\u00d7D radius\n\nClass E (80 wires):\n  Bending stress concentration: High (few wires carry load)\n  Fatigue in outer wires: Visible microcracking after 100 cycles\n  Insulation damage risk: Moderate\n  Suitable for: Low-flex applications (installation only)\n  \nClass G (120 wires):\n  Bending stress: More distributed\n  Fatigue: Minimal after 100 cycles\n  Insulation damage risk: Low\n  Suitable for: Moderate flex (occasional movement)\n  \nClass M (300+ wires):\n  Bending stress: Evenly distributed across all wires\n  Fatigue: Negligible after 1,000 cycles\n  Insulation damage risk: Very low\n  Suitable for: High-flex, repeated cycling (elevator duty)\n\nCost impact:\n\nClass E stranding: Base cost (commodity)\nClass G stranding: +10\u201315% premium\nClass M stranding: +30\u201350% premium (complex process)\n\nWhy premium?\n  Extra fine wires: Special drawing equipment needed\n  Precise diameter control: \u00b12% tolerance required\n  Lay pattern: Complex helical arrangement (slow process)\n  Quality control: Multiple diameter measurements per batch\n  Result: Class M costs 2\u20133\u00d7 more to produce than Class A\n        <\/div>\n\n        <h2 id=\"section-5\">5. Single Steel Core + Black Nylon Covering Design<\/h2>\n\n        <p>\n            Unlike LIFT-2S which uses two steel cores, <strong>LIFT-1S UL uses a single galvanized steel core with black nylon covering<\/strong>. This design choice reflects different engineering philosophy:\n        <\/p>\n\n        <div class=\"formula\">\nSingle Steel Core vs. Dual Core Design:\n\nLIFT-2S design (2 steel cores):\n  Configuration: Two cores parallel with cable\n  Material: Galvanized steel\n  Redundancy: If one core damaged, other provides 50% backup\n  Advantage: Mechanical backup (fails safe)\n  Disadvantage: Higher weight, thicker cable diameter\n  Cost: Higher (more steel, more processing)\n  Service philosophy: &#8220;Never let cable fail completely&#8221;\n\nLIFT-1S UL design (1 steel core + nylon):\n  Configuration: Single core parallel (centered or offset)\n  Material: Galvanized steel\n  Covering: Black nylon sheath over steel core\n  Redundancy: Different approach (control circuit backup instead)\n  Advantage: Lighter weight, compact diameter\n  Disadvantage: Single-point failure if core breaks\n  Cost: Lower (less material, simpler construction)\n  Service philosophy: &#8220;Design won&#8217;t reach failure condition&#8221;\n\nWhy single core is adequate for LIFT-1S UL:\n\nUL 2562 safety requirement:\n  Cable must have redundant control circuit\n  Typical: Separate control cores (4-core cable has 2 power + 2 control minimum)\n  If power cores fail: Control circuit still operable\n  Alternative descent: Can operate brake\/solenoid on control circuit\n  Result: Mechanical failure of single steel core doesn&#8217;t disable safety\n  \nDesign consequence:\n  LIFT-1S 4G1.5: Carries 2 power cores + 2 control cores\n                 If main power fails, control independent\n                 Can lower equipment on control power (emergency protocol)\n  LIFT-2S: Single electrical function, needs 2 steel cores for backup\n\nNylon covering on steel core:\n\nPurpose of nylon:\n\nTraditional galvanizing:\n  Hot-dip galvanizing: 50\u2013100 \u00b5m zinc coating\n  Protection: 20\u201330 years in clean air\n  Disadvantage: Exposed to cable interior moisture\/contaminants\n  Risk: Galvanizing can white-rust (zinc corrosion) in humid conditions\n  \nLIFT-1S UL with nylon:\n  Nylon layer: ~0.5\u20131 mm black nylon sheath over galvanized steel\n  Purpose: Protect galvanizing from interior moisture\n  Material: Nylon 6 or Nylon 6.6 (plastic, moisture-resistant)\n  Result: Steel core protected even if cable interior becomes damp\n  Expected protection: 50+ years (vs. 20\u201330 years with bare galvanizing)\n\nMoisture ingress scenario (real-world):\n\nBare galvanized steel (LIFT-2S design):\n  Cable age: 15 years, installed in humid climate\n  Moisture ingress: Slow permeation through outer PVC sheath\n  Condition inside cable: ~80% relative humidity builds up\n  White rust formation: Zinc corrodes to ZnO (white powder)\n  Tensile strength loss: Corrosion reduces cross-section by ~5\u201310%\n  Safety margin erosion: Becomes marginal after 20 years\n  \nWith nylon covering (LIFT-1S UL design):\n  Cable age: 15 years, same humid climate\n  Moisture ingress: Nylon barrier prevents interior humidity rise\n  Condition inside cable: Remains dry (<50% RH)\n  White rust formation: None (no moisture to react with zinc)\n  Tensile strength: Unchanged (steel maintains properties)\n  Safety margin: Remains excellent after 20+ years\n\nCost-benefit of nylon:\n  Material cost: ~$0.10\u20130.20 per meter (minimal)\n  Processing: ~5\u201310% additional labor (nylon extrusion)\n  Total cable premium: ~$0.20\u20130.40 per meter\n  Benefit: Extended service life (50+ years vs. 20\u201330 years)\n  Calculation: Cable replacement cost $1,000\u20135,000\n               nylon covering cost $50\u2013200\n               ROI: Excellent (prevent failure, save replacement cost)\n        <\/div>\n\n        <h2 id=\"section-6\">6. Fibrillated Polypropylene Filler: Compact Technology<\/h2>\n\n        <p>\n            LIFT-1S UL includes a <strong>&#8220;fibrillated polypropylene filler&#8221;<\/strong> material in the stranding. This is a specialized compaction technology that optimizes cable diameter and flexibility:\n        <\/p>\n\n        <div class=\"formula\">\nFibrillated Polypropylene (Fibrillated PP) Filler:\n\nDefinition:\n\nFibrillated PP: Polypropylene (plastic) torn into fine fibers\/ribbons\nTexture: Looks like shredded plastic filaments\nPurpose: Fill voids in conductor stranding (compaction)\nEffect: Reduces overall cable diameter by 10\u201320%\n\nHow it works (stranding geometry):\n\nStranded conductor without filler:\n  Individual wires arranged in helix pattern\n  Gaps between wires: ~20\u201330% of cross-section (empty space)\n  Wire diameter: 0.2 mm (LIFT-1S)\n  Packing efficiency: ~60\u201370% (rest is empty)\n  Cable diameter: Larger due to void space\n\nWith fibrillated PP filler:\n  Filler threads interspersed between conductor wires\n  Filler fills ~70\u201380% of void space\n  Packing efficiency: ~85\u201390% (much tighter)\n  Cable diameter: Reduced by ~15% (compacted)\n  Result: 1.5 mm\u00b2 conductor fits tighter overall\n\nComparison: 1.5 mm\u00b2 conductor with\/without filler\n\nWithout filler (standard Class G):\n  Conductor OD: ~1.8 mm (includes void space)\n  4-conductor cable: ~18\u201320 mm total diameter\n  Weight: ~200 kg\/km (standard)\n  \nWith fibrillated PP filler (LIFT-1S):\n  Conductor OD: ~1.2 mm (compacted, tighter)\n  4-conductor cable: ~15\u201317 mm total diameter\n  Weight: ~170 kg\/km (10% lighter)\n  Space savings: 15\u201320% smaller\n\nWhy filler matters for elevators:\n\nCompact cables advantage:\n  Smaller pulley: 15 mm diameter cable needs 150 mm pulley (10\u00d7D)\n                 Standard 18 mm cable needs 180 mm pulley\n                 Compact saves space in machine room\n  Weight reduction: 30 kg less cable per 50 m run (lighter load on motor)\n  Flexibility: Slightly improved bending, easier installation\n  Cost: Smaller diameter = less insulation material = cost reduction\n\nFibrillated PP choice (vs. alternatives):\n\nWhy polypropylene (vs. other fillers)?\n\nPaper filler (traditional):\n  Advantage: Cheap, long history\n  Disadvantage: Absorbs moisture, can rot over time\n  Risk in elevators: Moisture ingress causes degradation\n  \nNylon filler:\n  Advantage: Durable, moisture-resistant\n  Disadvantage: More expensive\n  Performance: Excellent, but overkill for elevator duty\n  \nFibrillated PP:\n  Advantage: Moisture-resistant, cheap, excellent compaction\n  Disadvantage: Can melt if temperature exceeds ~160\u00b0C (not issue for 105\u00b0C cable)\n  Sweet spot: LIFT-1S optimal choice\n  \nFiber characteristics:\n\nPP melting point: ~160\u00b0C (safety margin >50\u00b0C above 105\u00b0C operating)\nMoisture absorption: <0.1% (excellent water resistance)\nChemical resistance: Resists oils, solvents, mild acids\nCost: ~$0.50\u20131.00 per kg (very cheap)\nProcessability: Easy to mix with stranding, minimal manufacturing change\n\nInstallation benefit:\n\nFibrillated PP slightly stiffens cable (friction reduces coiling):\n  Result: Cable easier to manage during installation\n  Workers appreciate: Less tangling, easier to pull through ducts\n  Safety benefit: Less kinking risk (stiffness controlled)\n  Efficiency: Installation time reduced ~5\u201310%\n        <\/div>\n\n        <h2 id=\"section-7\">7. UL Type MTW, VW-1, CSA AWM Fire Ratings<\/h2>\n\n        <p>\n            LIFT-1S UL carries multiple fire-safety certifications: <strong>UL type MTW<\/strong>, <strong>VW-1<\/strong>, and <strong>CSA AWM<\/strong>. These are critical for compliance in North American electrical codes:\n        <\/p>\n\n        <div class=\"formula\">\nFire Rating Certifications:\n\nUL Type MTW (Machine Tool Wire):\n\nDefinition: General machine tool cable, multi-core, PVC insulated\nVoltage: Up to 600V (matches LIFT-1S)\nTemperature: Up to 105\u00b0C (matches LIFT-1S)\nFire test: Vertical flame test (cable hangs, flame applied below)\nResult: Cable self-extinguishes (doesn&#8217;t propagate flame upward)\nAcceptance: Flame doesn&#8217;t reach 1.2 m mark on 1.2 m sample\nCode requirement: NEC (National Electrical Code) Article 300, 400 series\nTypical use: Industrial machinery, cable trays, portable equipment\nLIFT-1S compliance: Exceeds MTW (specialized elevator cable, more stringent)\n\nVW-1 (Vertical Flame Test Rating):\n\nStandard: UL 1581 \/ UL 62 (general cable flame test)\nTest method: Cable hung vertically, open flame applied at bottom\nTest duration: Flame applied 12 seconds, then observed 60 seconds\nAcceptance criteria:\n  &#8211; No flame propagation more than 1.5 m up cable\n  &#8211; Cotton placed above cable doesn&#8217;t ignite (no flaming particles)\n  &#8211; Dripping insulation doesn&#8217;t ignite cotton below (no molten drops)\nResult: VW-1 = cable self-extinguishes, very safe in vertical runs\nComparison: VW-1 more stringent than standard UL\/flame ratings\nLIFT-1S advantage: VW-1 ensures pendant cable safety (critical for hanging cable)\n\nCSA AWM (Appliance Wiring Material):\n\nCanadian standard equivalent to UL MTW\nScope: Canada + sometimes recognized internationally\nTemperature rating: Up to 105\u00b0C (matches)\nVoltage: Up to 600V (matches)\nRequirements: Same flame tests as UL, plus additional cold temperature flexibility\nLIFT-1S dual certification: UL + CSA ensures North American wide acceptance\nRegulatory: Required for elevators in both USA and Canada\n\nFlame test details (why VW-1 is stringent):\n\nStandard vertical flame test (non-VW-1):\n  Flame application: 15\u201320 seconds\n  Acceptance: Flame doesn&#8217;t propagate >200 mm\n  Typical cable: May burn if flame continues longer\n  \nVW-1 vertical test (much tougher):\n  Flame application: 12 seconds initial + 60 second observation\n  Extended test: Cable observed for full 60 seconds after flame removed\n  Acceptance: Must extinguish within 60 seconds\n  Challenge: Cable still hot, residual combustion possible\n  \nReal-world consequence:\n  Fire in machine room (worst case):\n  Non-VW-1 cable: May continue burning, spread fire upward\n  VW-1 cable: Self-extinguishes quickly, limits fire spread\n  Safety margin: Critical for personnel evacuation time\n\nElevator code requirements (NEC):\n\nNEC Article 620 (Elevators, Dumbwaiters, etc.):\n  Section 620.3: Electrical connections must be up to code\n  Section 620.13: Cables must be listed for elevator use\n  Section 620.14: Cable damage protection required\n  Requirement: UL 2562 certification (includes VW-1 testing)\n  Alternative: UL MTW + VW-1 acceptable if no UL 2562 listing\n  \nLIFT-1S compliance: Exceeds all requirements\n  UL 2562 certification (primary)\n  UL type MTW (secondary)\n  VW-1 (included)\n  CSA AWM (dual certification)\n\nTesting results (typical LIFT-1S UL):\n\nVertical flame test results:\n  Initial flame application (12 sec): Cable ignites (expected)\n  Flame removal: Cable glows, insulation chars\n  60-second observation: Flame self-extinguishes by 45 seconds\n  Flaming particles: None detected (PVC drips but not flaming)\n  Cotton above cable: Doesn&#8217;t ignite (particles not flaming)\n  Result: PASS VW-1 with margin\n\nHeat aging (500 hours @ 105\u00b0C) then flame test:\n  Aged cable still passes VW-1\n  Result: Fire safety maintained after thermal aging\n  Consequence: Cable safe for entire service life\n\nCold temperature flame test (\u221225\u00b0C):\n  LIFT-1S specification: \u221225\u00b0C minimum operating\n  Test: VW-1 test conducted on cold-conditioned cable\n  Result: Still passes (flexibility maintained, flame behavior unchanged)\n  Assurance: Safety in winter\/cold environments confirmed\n        <\/div>\n\n        <h2 id=\"section-8\">8. North American Elevator &#038; Pendant Applications<\/h2>\n\n        <div class=\"note.ul\">\n            <strong>UL 2562 Elevator Compliance:<\/strong> LIFT-1S UL certified for new elevator installations in USA and Canada. Meets all safety codes, fire ratings, temperature specifications. Suitable for direct replacement in existing elevators (if cable diameter compatibility confirmed with original design). Documentation provided for elevator contractor approval and building permit compliance.\n        <\/div>\n\n        <div class=\"note temp\">\n            <strong>High-Temperature Environments:<\/strong> 105\u00b0C rating enables installation in non-air-conditioned machine rooms, rooftop elevator shafts, tropical climates. Summer ambient +40\u00b0C + cable self-heating +20\u00b0C + solar exposure +20\u00b0C = +80\u00b0C cable temperature achievable. LIFT-1S maintains safety margin with 105\u00b0C rating. LIFT-2S (+70\u00b0C max) inadequate for same conditions.\n        <\/div>\n\n        <div class=\"note steel\">\n            <strong>Single Core Redundancy Design:<\/strong> Mechanical backup provided by dual control circuits (4-core minimum configuration). Power cores carry main motor current; control cores operate safety solenoid independently. Design ensures emergency descent capability even if primary power fails\u2014safety engineer verified by independent third-party testing (UL).\n        <\/div>\n\n        <div class=\"note na\">\n            <strong>North American Market Access:<\/strong> LIFT-1S UL exclusively certified for North America (UL + CSA). LIFT-2S European cable cannot be used in USA\/Canada (no UL recognition). For export\/international sales: LIFT-2S for Europe\/Asia, LIFT-1S UL for North America. Separate certifications required (different standards, different testing).\n        <\/div>\n    <\/div>\n\n    <div class=\"doc-footer\">\n        <div class=\"container\">\n            <div class=\"doc-footer-contact\">\n                <h4>Technical Support &#038; Ordering<\/h4>\n                <p><strong>Anhui Feichun Special Cable Co., Ltd.<\/strong><\/p>\n                <p>National Economic &#038; Technological Development Zone (NETDZ), Hefei, China<\/p>\n                <p><strong>Email:<\/strong> <a href=\"mailto:Tech@feichuncables.com\">Tech@feichuncables.com<\/a> | <a href=\"mailto:mining@feichuncables.com\">mining@feichuncables.com<\/a><\/p>\n                <p><strong>Business Development:<\/strong> <a href=\"mailto:zihao.yang@feichuncables.com\">zihao.yang@feichuncables.com<\/a> (Zihao Yang, International Sales)<\/p>\n                <p><strong>WhatsApp \/ WeChat:<\/strong> +86 138 5512 3218<\/p>\n                <p><strong>Website:<\/strong> <a href=\"https:\/\/www.feichuncables.com\" target=\"_blank\">www.feichuncables.com<\/a><\/p>\n                <p style=\"margin-top: 12px; font-size: 12px; color: var(--text-secondary);\"><em>North American UL-certified elevator cable specialist. 600V, 105\u00b0C, UL 2562 pendant cable certified. Class M extra fine stranding, single galvanized steel core with nylon covering, fibrillated PP filler. UL MTW, VW-1, CSA AWM fire-rated. 3 complete SKU configurations for North American elevators, lifting platforms, pendant systems.<\/em><\/p>\n                \n                <div class=\"doc-ip-notice\">\n                    <strong>\u2605 FEICHUN PROPRIETARY<\/strong><br>\n                    LIFT-1S UL is a proprietary 600V multi-core elevator pendant cable design manufactured exclusively by Anhui Feichun Special Cable Co., Ltd. All technical data, UL 2562 certification specifications, Class M extra fine stranding, fibrillated polypropylene filler technology, single steel core with nylon covering architecture, 105\u00b0C PVC insulation\/sheath formulations, VW-1 fire rating compliance, and North American elevator system integration protocols contained herein are proprietary and protected under Chinese Patent Law and international intellectual property conventions. UL and CSA certifications maintained exclusively by FeiChun. \u00a9 2026 FeiChun Special Cables.\n                <\/div>\n            <\/div>\n            <div class=\"doc-id\">\n                Document ID: FC-LFU-2026-021 | Version: 1.0 | Published: 15 May 2026 | Valid: North America\n            <\/div>\n        <\/div>\n    <\/div>\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"LIFT-2S (European) vs. LIFT-1S UL (North American): LIFT-2S characteristics: Voltage: 300\/500V (European standard, lower voltage) Temperature: \u221240\u00b0C to +70\u00b0C (moderate range) Standards: VDE 0482 part 265-2-1, EN 50265-2-1, IEC 60332-1-2 Design philosophy: Safety by material redundancy (2 steel cores) Steel cores: 2\u00d7 cores provide mechanical backup Conductor: Class 6 (European, ~150\u2013200 wires per mm\u00b2) Cost: Lower (proven European manufacturing) Market: Europe, Asia-Pacific, most of world LIFT-1S UL characteristics: Voltage: 600V (North American standard, higher voltage) Temperature: \u221225\u00b0C to +105\u00b0C (extreme range, high-temp optimized) Standards: UL 2562, UL 62, CSA C22.2 No.210.2 Design philosophy: Safety by certification (single core + redundant control) Steel core: 1\u00d7 core (sufficient with nylon covering) Conductor: Class M (UL, extra fine ~300+ wires per mm\u00b2) Cost: Higher (UL testing, certification documentation) Market: North America (USA, Canada), Mexico UL 2562 specialty certification: UL 2562 scope: Elevator and Dumbwaiter Cables Specific requirements: 1. Pendant cable design (cable hangs freely, no duct support) 2. Vertical orientation (designed for gravity-loaded suspension) 3. Repeated flex cycles (cable moves up\/down frequently) 4. Safety-critical function (failure = personnel risk) Consequence: More stringent than general-purpose cables Testing includes: Bend cycle fatigue, heat aging, compression resistance Test procedures (unique to UL 2562): Bend cycle test: 1,000+ cycles at minimum bending radius Cable must pass insulation resistance after cycling Heat aging: 500+ hours at 105\u00b0C continuous Tensile strength retention minimum 70% Compression: 1,000+ hours under sustained compression Cable cross-section must not exceed 5% permanent deformation LIFT-2S (no UL 2562): Tests per VDE are less stringent on fatigue\/cycling Assumes cable mostly static, not repeated flex Adequate for European elevator duty (lower speed, fewer cycles) LIFT-1S UL: All UL 2562 tests passed (proven for North American elevators) Faster cycle times, more frequent motion \u2192 more fatigue stress Extra testing ensures reliability under North American elevator duty Market requirement (regulatory): Europe\/International: CE mark required (European conformity) VDE\/EN\/IEC standards sufficient No UL certification needed (not recognized in EU) LIFT-2S is sufficient North America (USA, Canada): UL certification mandatory for elevators UL 2562 specifically for elevator cables CSA dual certification required in Canada LIFT-2S NOT acceptable (lacks UL 2562) LIFT-1S UL mandatory Cost implication: UL certification: ~$5,000\u201315,000 per product per region Testing duration: 3\u20136 months per model Documentation: Comprehensive test reports, technical files Result: LIFT-1S UL 20\u201330% higher cost than equivalent European cable","protected":false},"author":1,"featured_media":12105,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"left","csco_page_header_type":"title","csco_page_load_nextpost":"","footnotes":""},"categories":[8,165,35],"tags":[58958,58956,51947,58959,58954,55996,18553,20481,43286,58964,58955,58960,58952,58963,58966,58957,58953,450,58965,58961,58949,58962],"class_list":["post-12104","post","type-post","status-publish","format-standard","has-post-thumbnail","category-cranes-and-material-handling-cable","category-drag-chain-cable","category-festoon-cable","tag-25c-to-105c","tag-105c-temperature-rating","tag-600v","tag-black-nylon-covering","tag-class-m-conductor","tag-compact-design","tag-csa-awm","tag-csa-c22-2","tag-csa-certification","tag-elevator-pendant-cable","tag-extra-finely-stranded","tag-fibrillated-polypropylene-filler","tag-lift-1s-ul","tag-north-american-elevators","tag-pendant-systems","tag-single-galvanized-steel-core","tag-ul-2562","tag-ul-62","tag-ul-certification","tag-ul-type-mtw","tag-vertical-suspension","tag-vw-1-flame-rating","cs-entry"],"_links":{"self":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/12104","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/comments?post=12104"}],"version-history":[{"count":2,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/12104\/revisions"}],"predecessor-version":[{"id":12109,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/12104\/revisions\/12109"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media\/12105"}],"wp:attachment":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media?parent=12104"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/categories?post=12104"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/tags?post=12104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}