{"product_id":"12-37-tray-cable-thhn-pvc-vntc","title":"12\/37 VNTC Tray Cable Type TC-ER (THHN PVC 600V)","description":"\u003cp data-path-to-node=\"1\"\u003e\u003cb data-path-to-node=\"1\" data-index-in-node=\"0\"\u003e12 AWG 37-Conductor VNTC (Vinyl Nylon Tray Cable) is a high-density industrial control, signaling, and power distribution cable engineered for installation in commercial wireways, open cable trays, and structural conduits.\u003c\/b\u003e Featuring thirty-seven 12 AWG conductors twisted into a dense, nested round core, this multi-conductor Type TC (Tray Cable) assembly utilizes high-performance THHN\/THWN-2 inner conductor insulation wrapped in a rugged, flame-retardant, and sunlight-resistant Polyvinyl Chloride (PVC) outer jacket.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003eThis configuration provides an exceptionally high-capacity, moisture-resistant wiring system optimized for routing dense control bundles, automated logic circuits, complex interlocking systems, and multi-point sensor networks through demanding overhead or underground raceways where a separate structural grounding path is utilized.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"4\"\u003eAMPACITY RATINGS (NEC 310.16)\u003c\/h3\u003e\n\u003cul data-path-to-node=\"5\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,0,0\"\u003e\u003cb data-path-to-node=\"5,0,0\" data-index-in-node=\"0\"\u003e60°C Terminal Rating: 20 AMPS\u003c\/b\u003e This is the baseline engineering safety rating. Use this value for final circuit sizing under normal operating conditions when connecting to legacy equipment terminals or standard breaker lugs restricted to 60°C constraints.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,1,0\"\u003e\u003cb data-path-to-node=\"5,1,0\" data-index-in-node=\"0\"\u003e75°C Terminal Rating: 25 AMPS\u003c\/b\u003e This is the standard engineering design rating. Use this value for modern industrial terminal configurations, as it represents the typical maximum operational ampacity for a standard 12 AWG copper conductor.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,2,0\"\u003e\u003cb data-path-to-node=\"5,2,0\" data-index-in-node=\"0\"\u003e90°C Terminal Rating: 30 AMPS\u003c\/b\u003e This is the maximum capacity rating. Use this value strictly as the baseline calculation factor when adjusting or derating for high ambient operating temperatures, or when bundling multiple tray cables together in packed industrial raceways.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-path-to-node=\"7\"\u003eKey Features\u003c\/h4\u003e\n\u003cul data-path-to-node=\"8\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,0\"\u003e\u003cb data-path-to-node=\"8,0,0\" data-index-in-node=\"0\"\u003eIndustrial Round Profile Construction:\u003c\/b\u003e Wires are twisted inside the jacket into a dense nested layout, maximizing physical roundness and structural symmetry. This ensures uniform physical strength, balanced weight distribution, and effortless pull-ins through long conduit layouts or multi-bend raceways.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\"\u003e\u003cb data-path-to-node=\"8,1,0\" data-index-in-node=\"0\"\u003eDual THHN \/ THWN-2 Conductor Insulation:\u003c\/b\u003e Inner copper conductors are wrapped in high-dielectric PVC and topped with a rugged clear nylon skin. This dual-layer architecture ensures superior resistance to oil, gasoline, moisture, and insulation scraping during difficult installations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,0\"\u003e\u003cb data-path-to-node=\"8,2,0\" data-index-in-node=\"0\"\u003eDirect Burial \u0026amp; Sunlight Resistant:\u003c\/b\u003e Protected by an extruded, flame-retardant outer PVC jacket that forms an impermeable barrier against harsh ambient conditions, making it safe for open air tray runs, direct burial trenching, or wet environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,0\"\u003e\u003cb data-path-to-node=\"8,3,0\" data-index-in-node=\"0\"\u003eHighly Conductive Bare Copper:\u003c\/b\u003e Manufactured with high-purity, soft-annealed stranded bare copper conductors to deliver optimal electrical conductivity, minimal line resistance, and sufficient physical flexibility for long pulled runs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,4,0\"\u003e\u003cb data-path-to-node=\"8,4,0\" data-index-in-node=\"0\"\u003eRigorous Industrial Flame Ratings:\u003c\/b\u003e Engineered to prevent the migration of fire across open structural paths, fully certified to pass the demanding IEEE 1202 \/ UL 1685 vertical tray flame tests.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-path-to-node=\"9\"\u003eCommon Applications\u003c\/h4\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003eIndustrial Control \u0026amp; Signaling:\u003c\/b\u003e Routing massive multi-point digital inputs, PLC input\/output loops, multi-stage relay logic tracks, interlocking machinery grids, and automated sensor returns in manufacturing plants, refineries, and assembly environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003eComplex Control System Interconnects:\u003c\/b\u003e Supplying continuous signaling and control power to multi-motor control centers (MCCs), automated assembly rows, large process control valves, and manufacturing system consoles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cb data-path-to-node=\"10,2,0\" data-index-in-node=\"0\"\u003eConduit and Wireway Routing:\u003c\/b\u003e Pulling high-density multi-circuit infrastructure connections through structural conduits, commercial utility tunnels, underground duct banks, or open-air wire mesh trays.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,3,0\"\u003e\u003cb data-path-to-node=\"10,3,0\" data-index-in-node=\"0\"\u003eHazardous Environment Deployment:\u003c\/b\u003e Approved under strict National Electrical Code provisions for installation within Class I, Division 2 hazardous industrial locations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-path-to-node=\"11\"\u003eCircuit Identification: Colors or Standard Multi-Conductor Coding\u003c\/h4\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eCONDUCTOR COLORS:\u003c\/strong\u003e\u003cbr\u003eBlack, Red, Blue, Orange, Yellow, Brown, Red\/Black, Blue\/Black, Orange\/Black, Yellow\/Black, Brown\/Black, Black\/Red, Blue\/Red, Orange\/Red, Yellow\/Red, Brown\/Red, Black\/Blue, Red\/Blue, Orange\/Blue, Yellow\/Blue, Brown\/Blue, Black\/Orange, Red\/Orange, Blue\/Orange, Yellow\/Orange, Brown\/Orange, Black\/Yellow, Red\/Yellow, Blue\/Yellow, Orange\/Yellow, Brown\/Yellow, Black\/Brown, Red\/Brown, Blue\/Brown, Orange\/Brown, Yellow\/Brown. \u003cbr\u003e\u003cem\u003e(Colors repeat after 36)\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"12\"\u003eBecause standard ICEA color tables become incredibly repetitive and error-prone beyond 21 or 25 conductors (requiring complex multi-stripe tracer combinations), 37-conductor control assemblies are almost universally manufactured utilizing the \u003cb data-path-to-node=\"12\" data-index-in-node=\"243\"\u003eAlphanumeric Numbering Method\u003c\/b\u003e:\u003c\/p\u003e\n\u003cul data-path-to-node=\"13\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,0,0\"\u003e\u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"0\"\u003eConductor Insulation:\u003c\/b\u003e Uniform black, high-dielectric PVC\/Nylon cores.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,1,0\"\u003e\u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"0\"\u003eMarkings:\u003c\/b\u003e Each conductor is continuously stamped with a unique, high-visibility white number (numbered sequentially from \u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"121\"\u003e1 through 37\u003c\/b\u003e) printed along its entire length.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,2,0\"\u003e\u003cb data-path-to-node=\"13,2,0\" data-index-in-node=\"0\"\u003eTermination Benefit:\u003c\/b\u003e Drastically reduces installation labor and phase tracing confusion by allowing technicians to match physical wire numbers directly to matching alphanumeric termination strips inside PLC cabinets and field enclosures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-path-to-node=\"14\"\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul data-path-to-node=\"15\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,0,0\"\u003e\u003cb data-path-to-node=\"15,0,0\" data-index-in-node=\"0\"\u003eConductor Size:\u003c\/b\u003e 12 AWG\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,1,0\"\u003e\u003cb data-path-to-node=\"15,1,0\" data-index-in-node=\"0\"\u003eNumber of Power\/Control Conductors:\u003c\/b\u003e 37\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,2,0\"\u003e\u003cb data-path-to-node=\"15,2,0\" data-index-in-node=\"0\"\u003eConductor Type:\u003c\/b\u003e Stranded Bare Copper\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,3,0\"\u003e\u003cb data-path-to-node=\"15,3,0\" data-index-in-node=\"0\"\u003eInsulation Material:\u003c\/b\u003e PVC with Nylon Skin (THHN\/THWN-2)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,4,0\"\u003e\u003cb data-path-to-node=\"15,4,0\" data-index-in-node=\"0\"\u003eShielding:\u003c\/b\u003e None (Unshielded)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,5,0\"\u003e\u003cb data-path-to-node=\"15,5,0\" data-index-in-node=\"0\"\u003eJacket Material:\u003c\/b\u003e PVC (Polyvinyl Chloride) - Black\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,6,0\"\u003e\u003cb data-path-to-node=\"15,6,0\" data-index-in-node=\"0\"\u003eVoltage Rating:\u003c\/b\u003e 600 Volts RMS\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,7,0\"\u003e\u003cb data-path-to-node=\"15,7,0\" data-index-in-node=\"0\"\u003eMaximum Temperature Rating:\u003c\/b\u003e 90°C Dry \/ 90°C Wet Continuous Operating\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,8,0\"\u003e\u003cb data-path-to-node=\"15,8,0\" data-index-in-node=\"0\"\u003eFlame Test Ratings:\u003c\/b\u003e IEEE 1202, UL 1685 Vertical Tray Flame Test, FT4\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,9,0\"\u003e\u003cb data-path-to-node=\"15,9,0\" data-index-in-node=\"0\"\u003eCompliance Standards:\u003c\/b\u003e UL 1277 (Type TC), NEC Article 336, Type THHN\/THWN-2 Conductors, RoHS Compliant\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"17\"\u003e\u003cb data-path-to-node=\"17\" data-index-in-node=\"0\"\u003eTechnical Note:\u003c\/b\u003e When engineering layouts with extreme high-density multi-conductor tray cables like the 12-37 VNTC, installers must apply strict \u003cb data-path-to-node=\"17\" data-index-in-node=\"145\"\u003eampacity adjustment factors for more than three current-carrying conductors\u003c\/b\u003e per NEC Article 310.15(C)(1). For a cable core containing 31 to 40 conductors where all lines carry continuous current, the ampacity must be severely derated down to \u003cb data-path-to-node=\"17\" data-index-in-node=\"387\"\u003e40%\u003c\/b\u003e of its baseline rating. Using the 90°C baseline calculation factor (30 Amps), the adjusted maximum ampacity drops down to \u003cb data-path-to-node=\"17\" data-index-in-node=\"513\"\u003e12.0 Amps\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp data-path-to-node=\"18\"\u003eAdditionally, the installer must account for the \u003cb data-path-to-node=\"18\" data-index-in-node=\"49\"\u003eNEC \"Small Conductor\" rule (NEC 240.4(D))\u003c\/b\u003e, which mandates that the ultimate overcurrent protection device (the circuit breaker) cannot exceed \u003cb data-path-to-node=\"18\" data-index-in-node=\"191\"\u003e20 Amps\u003c\/b\u003e under standard branch circuit constraints. Because the severe multi-conductor heat constraints choke the actual calculated ampacity down to 12.0 Amps, you cannot run these lines at standard loads on a 20-Amp breaker; breaker sizing and load profiles must be designed strictly around the 12.0-Amp thermal limits to prevent core heat traps and protect insulation integrity.\u003c\/p\u003e\n\u003cp data-path-to-node=\"19\"\u003e\u003cb data-path-to-node=\"19\" data-index-in-node=\"0\"\u003eCABLE TYPE:\u003c\/b\u003e 12 AWG \/ 37-Conductor Stranded Round THHN\/PVC Type TC Tray Cable (No Ground)\u003c\/p\u003e\n\u003cp data-path-to-node=\"21\"\u003e\u003cb data-path-to-node=\"21\" data-index-in-node=\"0\"\u003eDISCLAIMER:\u003c\/b\u003e The technical information provided is for general reference only. Large-scale industrial control pathways, tray layouts, and machinery connections must strictly adhere to the National Electrical Code (NEC), local building structures, and relevant industrial safety parameters. Always cross-reference the official product submittal data sheet from the chosen manufacturer prior to finalizing physical system designs or cutting structural cable lengths.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Wire America","offers":[{"title":"250 ft. Spool","offer_id":52577026408762,"sku":"TCTHN12-37-250","price":3788.0,"currency_code":"USD","in_stock":true},{"title":"500 ft. Spool","offer_id":52577026441530,"sku":"TCTHN12-37-500","price":7537.0,"currency_code":"USD","in_stock":true},{"title":"1000 ft. Spool","offer_id":52577026474298,"sku":"TCTHN12-37-1K","price":14996.0,"currency_code":"USD","in_stock":true},{"title":"2500 ft. Spool","offer_id":52577026507066,"sku":"TCTHN12-37-2500","price":37297.0,"currency_code":"USD","in_stock":true},{"title":"5000 ft. Spool","offer_id":52577026539834,"sku":"TCTHN12-37-5K","price":74209.0,"currency_code":"USD","in_stock":true},{"title":"By the Foot","offer_id":52577026572602,"sku":"TCTHN12-37-FT","price":15.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0969\/0234\/9114\/files\/Tray_Cable_THHN_PVC_19C_a5ae8b1c-5faa-4b70-8121-759b926d2911.jpg?v=1763585281","url":"https:\/\/www.wireamerica.com\/products\/12-37-tray-cable-thhn-pvc-vntc","provider":"Wire America ","version":"1.0","type":"link"}