1 / 5

Product

UL 83 Type THW 600 V flat jacketed & twisted deep-well pump cableUL 83 Listed Type THW600 V AC (75 °C Wet)Flat Jacketed & Twisted

UL 83 Type THW / THWN 600 V Flat & Twisted Deep-Well Submersible CableUL 83 / NEC Art. 310 · 600 V · Ul 83 type thw 600 v flat jacketed & twisted deep-well

UL 83 Type THW / THHN-THWN 600V Heavy-Duty Flat Jacketed & Twisted Unjacketed Deep Well Submersible Pump Cable (Flat Parallel Jacketed & Twisted Heavy-Duty Series) (UL 83 / NEC Art. 310, 600 V, -40 °C to +75 °C, min. bend radius 6 × OD).

Water-resistant

Oil-resistant

Flame-retardant

Approved

Configuration

Order designation: UL 83 TYPE THW PUMP 4G16 mm²
Outer Ø ≈: 21.8 mm
Net weight ≈: 840 kg/km
Tensile rating ≈: 2.4 kN
Core / stranding: IEC 60228 Class 5 flexible Cu/SnCu

All sizes (3)

Request a quote Datasheet WhatsApp info@tebaoflex.com

Engineering reply in 2 business hoursCut-to-length export drumsEN 10204 3.1 certificate per drum

Rated voltage: 600 V
Operating temp.: −40…+75 °C
Min. bend radius: 6 × OD
Core / conductor: 3×#14 AWG–500
Outer protection: Heavy-Duty Black
Standard: UL 83

Typical values for this cable type, based on UL 83 Listed Type THW / THHN-THWN & NEC 250-122 Pump Standard — confirmed in the datasheet and quotation for your order.

Application fit

Is UL 83 TYPE THW PUMP right for your machine?

Immersion & wet locations

Suitable

Longitudinally and radially water-blocked construction resists hydrostatic pressure and marine immersion.

Offshore platform & shipboard deck trays

Suitable

Marine-grade jacket resists oil, seawater, UV weathering and mechanical impact on vessels and offshore structures.

Fixed installation

Suitable

Approved for fixed shipboard, submarine outboard, nuclear pool and seabed feeder routing.

Motor stator, traction & converter leads

Suitable

Flexible stranded copper conductors terminate cleanly into submersible pumps, anodes, thrusters and switchgear.

Festoon & line chain

Not suitable

Outboard marine and feeder construction is not designed for high-speed crane festoon trolleys.

Use (N)3GRDC5G-J/O Festoon Cable

Typical machinesNaval Shipboard & Submarine OutboardOffshore Cathodic Protection (ICCP)Underwater Welding & Nuclear PoolsDeep-Well & Seabed Pump Feeders

Construction

Layer by layer

Shown: UL 83 TYPE THW PUMP (UL 83 Listed Type THW / THHN-THWN & NEC 250-122 Pump Standard) featuring stranded bare copper (3×phase + 1×gnd), ul 83 type thw pvc + nylon insulation and heavy-duty black pvc outer jacket (4-layer construction).

Schematic, not to scale — generated from the layer data

#	Layer	Material & reference
1	Stranded Bare Copper (3×Phase + 1×GND)	ASTM B3/B8 19- or 37-strand concentric bare copper + NEC 250-122 ground core
2	UL 83 Type THW PVC + Nylon Insulation	600 V 75 °C wet heat/moisture-resistant PVC (Black, Red, Yellow, Green) + clear Nylon
3	Parallel Flat / Twisted Core Assembly	Flat parallel construction (Flat Parallel Jacketed) or twisted (Twisted Heavy-Duty)
4	Heavy-Duty Black PVC Outer Jacket	1.14–1.65 mm abrasion-, acid-, oil- and sunlight-resistant black PVC flat jacket

UL 83 TYPE THW PUMP — Standard Subsea & Marine Execution

Built to UL 83 Listed Type THW / THHN-THWN & NEC 250-122 Pump Standard with stranded bare copper (3×phase + 1×gnd) and heavy-duty black pvc outer jacket

UL 83 TYPE THW PUMP — Custom Drum Length & Termination Kit

Available in custom continuous subsea/wellbore drum lengths or pre-terminated assemblies

UL 83 TYPE THW PUMP — Routine & Hydrostatic Test Certified

Supplied with EN 10204 3.1 routine dielectric, resistance & pressure/dimensional report

Technical data

Ratings & operating limits

Typical values: Typical values for this cable type, based on UL 83 Listed Type THW / THHN-THWN & NEC 250-122 Pump Standard. Values for your order are confirmed in the datasheet and quotation.

Electrical

Rated voltage / transmission duty: 600 V (UL 83 Listed Type THW / THHN-THWN & NEC 250-122 Pump Standard)
Core / conductor construction: Stranded Bare Copper (3×Phase + 1×GND) — ASTM B3/B8 19- or 37-strand concentric bare copper + NEC 250-122 ground core
Primary dielectric / buffering: UL 83 Type THW PVC + Nylon Insulation — 600 V 75 °C wet heat/moisture-resistant PVC (Black, Red, Yellow, Green) + clear Nylon

Thermal

Continuous operating temperature: −40…+75 °C (subsea, marine & submersible duty)
Short-circuit / peak thermal rating: Verified thermal stability per UL 83 Listed Type THW / THHN-THWN & NEC 250-122 Pump Standard
Storage & transport temperature: −40…+80 °C on export wooden/steel drum

Mechanical

Outer protection / armouring: Heavy-Duty Black PVC Outer Jacket — 1.14–1.65 mm abrasion-, acid-, oil- and sunlight-resistant black PVC flat jacket
Minimum bending radius: 6 × OD
Hydrostatic, tensile & crush duty: Parallel Flat / Twisted Core Assembly — Flat parallel construction (Flat Parallel Jacketed) or twisted (Twisted Heavy-Duty)

Resistance

Hydrostatic pressure & water blocking: Engineered for continuous submersion and hydrostatic integrity per UL 83 Listed Type THW / THHN-THWN & NEC 250-122 Pump Standard
Seawater, oil & chemical resistance: Resistant to seawater hydrolysis, hydraulic oils and abrasion per UL 83 Listed Type THW / THHN-THWN & NEC 250-122 Pump Standard
RoHS & REACH compliance: RoHS 2 (2011/65/EU + 2015/863) & REACH SVHC compliant

Reference standards

Governing standard: UL 83 Listed Type THW / THHN-THWN & NEC 250-122 Pump Standard
Environmental & test standards: IEC 60228 / IEC 60332 / ISO 13628-5 / EN 10204
Quality management & inspection: ISO 9001:2015 & EN 10204 3.1 factory routine inspection

Identification

Model designation: UL 83 TYPE THW PUMP
Sheath colour & metre marking: Continuous metre-marked black outer finish (Heavy-Duty Black PVC)
Customs tariff (HS): 8544.49 / 8544.60 / 8544.70

Sizes

3 standard UL 83 TYPE THW PUMP subsea & marine configurations

Manufactured to UL 83 Listed Type THW / THHN-THWN & NEC 250-122 Pump Standard for subsea, offshore, deep-well and marine applications.

Dimensions, tensile load & weights
Order designation	Configuration	Core / stranding	Outer Ø ≈ mm	Net weight ≈ kg/km	Tensile rating kN ≈	Min. bend R mm
UL 83 TYPE THW PUMP Construction Schedule (−40…+75 °C)
UL 83 TYPE THW PUMP 4G16 mm²	4G16 mm² (3×16 + 1G16)	IEC 60228 Class 5 flexible Cu/SnCu	21.8	840	2.4	130
UL 83 TYPE THW PUMP 4G35 mm²	4G35 mm² (3×35 + 1G16)	IEC 60228 Class 5 flexible Cu/SnCu	28.6	1,620	5.2	172
UL 83 TYPE THW PUMP 3×70 + 3G16 mm²	3 × 70 mm² + 3G16 mm²	IEC 60228 Class 5 flexible Cu/SnCu	38.4	3,180	10.5	230

Typical values for this cable type; dimensions and weights for your order are confirmed in the quotation.
Custom core cross-sections, pair/fibre counts, armour grades and factory drum lengths available per UL 83 Listed Type THW / THHN-THWN & NEC 250-122 Pump Standard.

Electrical, optical & thermal parameters
Configuration	Max. DC R₂₀ / Atten. Ω/km or dB/km	Rating / Impedance	Operating temp.
4G16 mm² (3×16 + 1G16)	1.21	600 V (94 A submerged)	−40…+75 °C
4G35 mm² (3×35 + 1G16)	0.55	600 V (152 A submerged)	−40…+75 °C
3 × 70 mm² + 3G16 mm²	0.27	600 V (235 A submerged)	−40…+75 °C

Every production length undergoes routine conductor DC resistance, high-voltage dielectric or OTDR continuity and dimensional verification.

Quality & approvals

Testing & inspection

Routine tests on every production length, sample and type tests per batch — documented on an EN 10204 3.1 inspection certificate.

ConductorClass 5 stranding
Spark test100 % in-line
Lay-upCores, earth, fillers
SheathingInner, braid / screen, outer
Electrical testsAC voltage, resistance
DimensionsOD, wall thickness
Inspection documents & dispatchDrum & dispatch

Testing & inspection	Test value / reference	Frequency
Routine tests
Conductor resistance, continuity & dimensional verification (UL 83 Listed Type THW / THHN-THWN & NEC 250-122 Pump Standard)	DC resistance at 20 °C / optical attenuation and outer diameter within UL 83 Listed Type THW / THHN-THWN & NEC 250-122 Pump Standard tolerances	Every manufactured drum length
High-voltage dielectric & insulation resistance test (UL 83 Listed Type THW / THHN-THWN & NEC 250-122 Pump Standard)	Zero dielectric breakdown and verified insulation resistance for 600 V rating	Every manufactured drum length
Sample tests
Hydrostatic pressure, water-blocking & mechanical endurance qualification (UL 83 Listed Type THW / THHN-THWN & NEC 250-122 Pump Standard)	Verified submersion integrity, tensile load and thermal stability across −40…+75 °C	Type qualification & periodic lot audit

Inspection certificate

Issued with every drum, listing the routine test results for that length.

Product approvals

UL 83 / NEC Art. 310 CompliantEN 10204 3.1 Factory Test CertificateCE, RoHS 2 (2011/65/EU) & REACH

Company certificates

ISO 9001ISO 14001ISO 45001VDE marks approvalUL / cULCE · LVD / EMC

Marking & supply

Ordering & delivery

Sheath marking

TEBAOFLEX UL 83 TYPE THW PUMP UL 83 / NEC Art. 310 600 V CE

Delivery form: Heavy-duty export fumigated wooden drums or steel subsea reels
Standard lengths: 500 m, 1,000 m or custom continuous subsea/wellbore lengths
MOQ: 100 m (standard configurations) · 500 m (custom builds)
Lead time: 2–5 weeks ex-works
Incoterms: EXW, FCA, FOB, CIF, DAP

Technical documents

Downloads

PDFUL 83 Type THW / THWN 600 V Flat & Twisted Deep-Well Submersible Cable – technical datasheet3 sizes · construction, technical data, approvals XLSXUL 83 TYPE THW PUMP spec data (Excel)All 3 sizes with dimensions and data, for your BOM or quotation

Revision: 2026-10-25
Updated: 2026-10-25

FAQ

Questions engineers ask first

Not covered here? Send your drawing — an engineer replies within 2 business hours.

What governing standard and construction define UL 83 TYPE THW PUMP (UL 83 Type THW / THWN 600 V Flat & Twisted Deep-Well Submersible Cable)?

UL 83 TYPE THW PUMP (UL 83 Type THW / THWN 600 V Flat & Twisted Deep-Well Submersible Cable) is manufactured in accordance with UL 83 Listed Type THW / THHN-THWN & NEC 250-122 Pump Standard for 600 V service over -40 °C to +75 °C. Its 4-layer construction comprises stranded bare copper (3×phase + 1×gnd), ul 83 type thw pvc + nylon insulation and heavy-duty black pvc outer jacket.

What is the minimum bending radius and operating temperature range for UL 83 TYPE THW PUMP?

The minimum bending radius for UL 83 TYPE THW PUMP is 6 × OD across its continuous operating temperature range of -40 °C to +75 °C, ensuring mechanical and dielectric reliability in subsea, marine and submersible service.

How are the concentric layers of UL 83 TYPE THW PUMP arranged from inside to outside?

From inside to outside, the construction sequence is: (01) Stranded Bare Copper (3×Phase + 1×GND) — ASTM B3/B8 19- or 37-strand concentric bare copper + NEC 250-122 ground core; (02) UL 83 Type THW PVC + Nylon Insulation — 600 V 75 °C wet heat/moisture-resistant PVC (Black, Red, Yellow, Green) + clear Nylon; (03) Parallel Flat / Twisted Core Assembly — Flat parallel construction (Flat Parallel Jacketed) or twisted (Twisted Heavy-Duty); (04) Heavy-Duty Black PVC Outer Jacket — 1.14–1.65 mm abrasion-, acid-, oil- and sunlight-resistant black PVC flat jacket.

What factory test certificates are supplied with UL 83 TYPE THW PUMP?

Every production drum of UL 83 TYPE THW PUMP undergoes routine conductor resistance/continuity, high-voltage dielectric and dimensional testing per UL 83 Listed Type THW / THHN-THWN & NEC 250-122 Pump Standard, and is delivered with an EN 10204 3.1 factory test certificate.

Request a quote

Get an engineering quote for UL 83 TYPE THW PUMP

Your selection and application details are copied into the enquiry form below.

01Selected sizes

Use + Add next to a size or configuration.

02Reel & motion

Add your operating conditions here to include them in your enquiry.

Reel typeDrum core diameter (mm)Cable length on drum (m)Travel speed (m/min)Max. accelerationCycles per hourLength and quantityAmbient temperatureExposure (outdoor, water, oil, abrasion)Destination countryEquipment and operating conditions

03Message for our engineers

UL 83 TYPE THW PUMP UL 83 Type THW / THWN 600 V Flat & Twisted Deep-Well Submersible Cable

Selected sizes:


Reel & motion:
- Reel type: 
- Drum core diameter (mm): 
- Cable length on drum (m): 
- Travel speed (m/min): 
- Max. acceleration: 
- Cycles per hour: 
- Length and quantity: 
- Ambient temperature: 
- Exposure (outdoor, water, oil, abrasion): 
- Destination country: 
- Equipment and operating conditions:

Send via WhatsApp