600/2000V XLPE Insulated TTU Cable Low Voltage Industrial Cable to ASTM-B3/ICEA S-95-658/NEMA WC70

This TTU cable is designed for power and lighting circuits in industrial and commercial facilities with rated voltages of 600V and 2000V. Manufactured with plain annealed copper conductors and XLPE insulation in full compliance with ASTM-B3 and ICEA S-95-658/NEMA WC70, it is specially suitable for outdoor installations or direct burial, and can be used in both dry and wet places.
Key Advantages‌
XLPE High Temperature Insulation
Direct Burial Suitable
Copper Conductor
ASTM & ICEA Standard Compliance

Construction

Conductor‌Plain annealed solid or stranded copper wire.
‌Insulation‌Crosslinked polyethylene (XLPE)
‌Sheath‌PVC
‌Rated Voltages‌600V, 2000V
‌Maximum Conductor Temperature‌90°C dry or wet
‌Colors‌Insulation: Natural, Sheath: Black, color can be changed as order.
‌Permissible Minimum Bending Radius‌15 × ODNote: OD = Overall Diameter of Cable

Parameters

Size Cross Section, AL Stranding Insulation Thickness Jacket Thickness External Diameter Total Weight Ampacity
AWG / MCM mm² No. × mm mm mm mm kg/km Amp
14 2.06 1 × 1.62 0.81 0.38 4.14 31.3 20
12 3.3 1 × 2.05 0.81 0.38 4.54 44.7 25
10 5.26 1 × 2.59 0.81 0.38 5.1 62.6 35
8 8.37 7 × 1.23 1.14 0.38 6.73 109.0 50
6 13.30 7 × 1.55 1.14 0.76 8.45 170.0 65
4 21.15 7 × 1.96 1.14 0.76 9.68 301.0 85
2 33.62 7 × 2.47 1.14 0.76 11.21 376.0 115
1 42.36 7 × 2.78 1.40 1.14 13.42 461.5 130
1/0 53.49 19 × 1.89 1.40 1.14 14.53 609.0 150
2/0 67.43 19 × 2.12 1.40 1.14 15.68 747.0 175
3/0 85.01 19 × 2.39 1.40 1.14 17.03 915.0 200
4/0 107.20 19 × 2.68 1.40 1.14 18.48 1132.0 230
250 127.00 37 × 2.09 1.65 1.65 21.23 1390.0 255
300 152.00 37 × 2.29 1.65 1.65 22.63 1641.0 285
350 177.00 37 × 2.47 1.65 1.65 23.89 1889.0 310
400 203.00 37 × 2.64 1.65 1.65 25.08 2137.0 335
500 253.00 37 × 2.95 1.65 1.65 27.25 2627.0 380
600 304.00 37 × 3.23 2.03 1.65 29.97 3144.0 420
650 329.00 37 × 3.37 2.03 1.65 30.95 3409.0 440
700 355.00 37 × 3.49 2.03 1.65 31.79 3593.0 460
750 380.99 61 × 2.82 2.03 1.65 32.18 3854 475
1000 506.04 61 × 3.25 2.03 1.65 35.94 5045.2 545

From Production to Delivery

From raw material preparation to final shipmen, every stage is caretuly controled to ensure consistent conductor quality, reliable pertormance,and sae delivery. Our roduction,
inspection, packaging, and logistics processes are managed in accordance with applicable standards and project requirements.

cable production line with finished cable being wound onto a reel

Production

Stranded annealed copper conductors are insulated with XLPE, assembled into the required multicore configuration, optionally filled and bound with polyester tape, then covered with the specified black PVC sheath.

Cable and conductor quality inspection and testing

Inspection

Inspection focuses on conductor construction, insulation condition, core identification, sheath integrity, overall diameter, conductor resistance and test-voltage requirements against the approved technical schedule.

Overhead conductors packed on wooden drums for shipment

Packaging

Finished cable is wound on suitable drums according to ordered size, weight and length. Cable ends are protected and drum identification can include cable type, conductor size, core count, length and project reference.

Wooden drums of overhead conductors loaded into shipping container

Shipping

Before shipment, cable drums and technical documents are checked against the order. Inspection records, identification data and requested test documentation can be prepared for the customer.

Size Cross Section, AL Stranding Insulation Thickness Jacket Thickness External Diameter Total Weight Ampacity
AWG / MCM mm² No. × mm mm mm mm kg/km Amp
14 2.06 1 × 1.62 1.14 0.38 4.67 42 20
12 3.3 1 × 2.05 1.14 0.38 5.09 56 25
10 5.26 1 × 2.59 1.14 0.38 5.63 78 35
8 8.37 7 × 1.23 1.40 0.38 7.25 105 50
6 13.30 7 × 1.55 1.40 0.76 9.00 176 65
4 21.15 7 × 1.96 1.40 0.76 10.20 257 85
2 33.62 7 × 2.47 1.40 0.76 11.73 382 115
1 42.36 7 × 2.78 1.65 1.14 13.92 500 130
1/0 53.49 19 × 1.89 1.65 1.14 15.03 613 150
2/0 67.43 19 × 2.12 1.65 1.14 16.23 751 175
3/0 85.01 19 × 2.39 1.65 1.14 17.53 924 200
4/0 107.20 19 × 2.68 1.65 1.14 18.98 1143 230
250 127.00 37 × 2.09 1.90 1.65 21.73 1405 255
300 152.00 37 × 2.29 1.90 1.65 23.13 1651 285
350 177.00 37 × 2.47 1.90 1.65 24.39 1901 310
400 203.00 37 × 2.64 1.90 1.65 25.58 2130 335
500 253.00 37 × 2.95 1.90 1.65 27.75 2639 380
600 304.00 37 × 3.23 2.29 1.65 30.49 3150 420
650 329.00 37 × 3.37 2.29 1.65 31.47 3400 440
700 355.00 37 × 3.49 2.29 1.65 32.31 3630 460
750 380.99 61 × 2.82 2.29 1.65 33.26 3878 475
1000 506.04 61 × 3.25 2.29 1.65 37.13 5080 545

Request the Complete Data Sheet

If you need a specific product catalogue or related standard file, please contact us.

Application

The copper conductors type TTU cable are used for power and lighting circuits in industrial and commercial facilities, they are specially suitablefor outdoor installations or directly buried, just as it is specified in the National Electrical Code. This type of conductor can be used in dry and wetplaces, its maximum temperature of operation is 90 ºC and its voltage of service for all the applications it is 600 V or 2000V.

faq

What is a TTU cable and what does it stand for?

TTU stands for Tree Wire Triplex Underground cable. It is a type of low-voltage power cable specifically designed for underground distribution systems, typically used to connect utility transformers to residential or commercial service entrances. Our TTU cable is built with XLPE insulation and copper conductors for superior performance and durability.

This TTU cable is rated for ‌600V and 2000V‌ applications, making it suitable for a wide range of low-voltage power distribution and lighting circuits in both industrial and commercial facilities.

Our TTU cable is manufactured in full compliance with:
‌ASTM-B3‌ — Standard for Soft or Annealed Copper Wire
‌ICEA S-95-658 / NEMA WC70‌ — Standard for Cross-Linked Polyethylene (XLPE) Insulated Wire and Cable
These certifications ensure the cable meets strict industry quality, safety, and performance requirements.

The main advantages are:
‌Higher temperature rating‌ — XLPE can operate at higher continuous temperatures than PVC-insulated cables
‌Superior mechanical strength‌ — Resistant to impact, abrasion, and environmental stress
‌Direct burial capability‌ — No need for conduit in many underground applications
‌Longer service life‌ — XLPE insulation is more durable and has a longer lifespan
‌Copper conductor performance‌ — Lower resistance, better conductivity, and higher current-carrying capacity

The correct cable size depends on your specific load current, voltage drop requirements, installation method, and ambient temperature conditions. We recommend consulting a qualified electrical engineer or referring to the NEC (National Electrical Code) guidelines for proper sizing. You can also contact our technical support team for assistance — simply click the ‌”Inquiry”‌ button on the product page.

Typical production lead times:

  • Standard specifications (common sizes): 7-15 working days after order confirmation
  • Custom specifications or special requirements: 15-25 working days
  • Large volume orders: production schedule confirmed at time of order

We also maintain inventory of fast-moving standard sizes for immediate shipment. Transit time depends on destination port and shipping method. We can ship by sea (most cost-effective for large orders), air (urgent shipments), or rail (for Central Asian destinations).

Request for Free Consultation

Contact Information

Send us your cable requirements and our team will respond quickly with product recommendations, technical support and quotation details.

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