Flexible, oil resistant Power Cord: (UL) listed for Tray + Extra-hard usage per NEC; NFPA 79

ÖLFLEX® TC + Extra-hard usage Flexible Cord STOOW 600 V, NEC Art 336+400, OIL RES II, DIR. BUR., FT4, IEC 300/500 V, NEC Art 501 Class I Division 1, IEC Class 5

  • Flexible Cord STOOW for NEC Extra-hard usage in the USA
  • Broad application range (NFPA 70/NEC), NFPA 79 compliance
  • FT4 + OIL RES I/II

Mechanical and plant engineeringOil & GasSolar EnergyWind EnergySuitable for outdoor useFlame-retardantCold-resistantMechanical resistanceAssembly timeOil-resistantRobustUV-resistantVariety of approval certifications


Article number Number of cores and mm² per conductorOuter diameter [mm]Copper index (kg/km)Weight (kg/km)
3 G 1.09.429.76392
4 G
5 G
12 G 1.016.1115.195260
3 G 1.510.143.157110
4 G 1.510.958.038128
5 G 1.512.972.027153
12 G 1.518.3172.775330
18 G 1.520.9259.237440
25 G 1.524.5360.134598
3 G 2.513.872.027137
4 G 2.514.896.73167
5 G 2.516.8120.541198
3 G 4.016.0115.183188
5 G 4.018.8191.972286
3 G 6.017.2172.775342
4 G 6.018.6230.664402
3 G 10.021.3288.702641
4 G 10.024.0383.944844


  • Suitability for different operation types and locations in the USA as per NFPA/ NEC under one LAPP part number, thanks to UL listings (UL) STOOW and (UL) TC, resp. TC-ER, as well as thanks to design and characteristics associated with these listings
  • Apart from unprotected laying on tray in the USA thanks to TC(-ER) listing: ...further, normatively specified, unprotected wiring methods in the USA per application related NEC Articles, thanks to (UL) listing STOOW/ Extra-hard usage Flexible Cord

Application range

  • Industrial machinery, plant engineering in the USA
  • Unprotected 600V operation on cable tray in the USA, incl. 6 ft. Exposed Run laying sections for version with at least 3 conductors
  • As per Article 400 of NEC/ NFPA 70: General Uses Permitted in the USA and General Uses Not Permitted to the overall group of Flexible Cords and Flexible Cables acc. to UL 62;
    Operating bids and limitations for Flexible Cords in special applications acc. to further NEC Articles, such as 501 (Class I Locations), 422 (Appliances), or 520 (specific locations for play and production of entertainment), etc.
  • Further, typical locations in the USA, as specified by respective US installation standardization (e.g., NEC/ NFPA 70): Power cord for equipment, paint booths, appliances, factory installations (branch circuit), any power hook-up in the plant, for harnessed power connecting or extension cord set assemblies
  • In hazardous locations in the USA, as per Chapter 5 of NEC/ NFPA 70: Classes I thru III, Divisions 1 and 2 each, plus intrinsically safe circuits, taking account of:
    - Provisions on cable design, cable type, installation, application in NEC Chapter 5 (esp.: Articles 500 thru 504);
    - This cable's design, approvals, component identification

Product features

  • Highly flame retardant FT4
  • Highly oil resistant OIL RES I/II
  • Tested sunlight resistant per UL 1277, UL 62, UL 2556 in terms of UV resistance
  • Tested for unprotected, direct burial in the USA per UL 1277

Norm references / Approvals

  • Certified by UL per UL 1277 for TC 600V use in the USA, subject to individual third-party inspection: Generally UL Type TC (Tray Cable), and for at least 3 or more conductors TC-ER (Tray Cable for Exposed Run) in addition [UL CCN: QPOR; UL File No.: E171371]
  • Certified by UL per UL 62 for STOOW use in the USA, subject to individual third-party inspection: UL Type STOOW (Extra-hard usage Flexible Cord) [UL CCN: ZJCZ; UL File No.: E146118]
  • Certified by UL per CSA C22.2 No. 239, and CSA C22.2 No. 230 for possible CIC/TC use in Canada, subject to individual third-party inspection: c(UL) CIC/TC FT4 [UL CCN: QPOR7; UL File No.: E171371]
  • Certified by UL per CSA C22.2 No. 49 for STOOW use in Canada, subject to individual third-party inspection: c(UL) STOOW [UL CCN: ZJCZ7; UL File No.: E146118]
  • Certified by CSA per CSA C22.2 No. 210 for AWM use in Canada, subject to individual third-party inspection: CSA AWM II A/B FT4

Product Make-up

  • Fine-wire strand made of bare copper wires
  • Specially formulated PVC insulation
  • Durable, black sheath made of specially formulated thermoplastic polymer for improved service life

Classification ETIM 5

  • ETIM 5.0 Class-ID: EC001578
  • ETIM 5.0 Class-Description: Flexible cable

Classification ETIM 6

  • ETIM 6.0 Class-ID: EC001578
  • ETIM 6.0 Class-Description: Flexible cable

Core identification code

  • - Coloured conductors with numbers, plus ground in green/yellow (30 % stripe width);
    - For 2-conductor cable only: No green/ yellow ground
    - Example 3 conductors:
    BLACK conductor: "1 - ONE"
    WHITE conductor: "2 - TWO"
    GREEN/YELLOW conductor: No Numbers
  • - Colour code:
    2C: Black, White
    3C: Black, White, Green-Yellow
    4C: Black, White, Red, Green-Yellow
    5C: Black, White, Red, Brown, Green-Yellow
    6C or more: Black with white numbers, except for the included Green-Yellow ground

Conductor stranding

  • Fine wire according to DIN EN 60228 (VDE 0295), class 5 / IEC 60228 class 5

Minimum bending radius

  • Installation: 4 x outer diameter

Nominal voltage

  • UL/CSA TC/STOOW: 600 V
  • IEC U0/U: 300/500 V

Test voltage

  • 2000 V

Protective conductor

  • G = with GN-YE protective conductor

Temperature range

  • UL/CSA TC: -25°C to +90°C;
  • Occasional flexing/ North America: -25°C to +105°C;
    Fixed installation/ North America: -40°C to 105°C

  • Unless specified otherwise, the shown product values are nominal values. Detailed values (e.g. tolerances) are available upon request.
  • Copper price basis: EUR 150/100 kg. Refer to catalogue appendix T17 for the definition and calculation of copper-related surcharges.
  • Please find our standard lengths at: www.lappkabel.de/en/cable-standardlengths
  • Packaging size: coil ≤ 30 kg or ≤ 250 m, otherwise drum
  • Please specify the preferred type of packaging (e.g. 1 x 610 m drum or 8 x 76 m coils).
  • Photographs and graphics are not to scale and do not represent detailed images of the respective products.
  • *OD = Outer diameter