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URD Cable Single Conductor Aluminum Underground Direct Burial Cable 600V

600V Single Conductor URD Aluminum XLPE Underground Direct Burial Cable

Voltage: 600V, 130°C emergency overload (100h/12 months)
Conductor: 1350-H19 or AA-8000 aluminium, Class B compressed
Insulation: Black XLPE, 60/80/95/110 mils by size tier
Rating: 90°C dry/wet/burial, UL Listed USE-2
Range: AWG 8 to 1000 kcmil, 19 code-name variants
Ampacity: Full NEC (60/75/90°C) + ICEA (buried + conduit)
Standard: ICEA S-105-692, UL 854, RUS accepted

Product Overview

Single Conductor URD Cable is a 600V XLPE-insulated individual underground residential distribution conductor with aluminium core, manufactured to ICEA S-105-692 and UL 854 as UL Listed USE-2, RUS accepted. Conductors are Class B compressed concentric lay stranded 1350-H19 or AA-8000 aluminium alloy per ASTM B231 / B800 / B801. Phase conductors are black XLPE; neutral conductors are black XLPE with yellow striping or full yellow jacket. Rated 90°C continuous dry/wet/direct burial, with 130°C emergency overload capability (max 100 hours per 12 consecutive months). Single conductor URD is the building block of all URD assemblies — individual phase and neutral conductors used separately in ducts, raceways, or direct burial for street lighting circuits, transformer risers, and custom field-cabled configurations. With 19 code-name variants from AWG 8 (Cornell) to 1000 kcmil (Fordham), this is the most comprehensive URD range available.

Aluminium 1350 / AA-8000

Class B compressed concentric lay. 1350-H19 or AA-8000 alloy. 7-strand (≤AWG 2), 19-strand (AWG 1-4/0), 37-strand (250-500 kcmil), 61-strand (600-1000 kcmil).

XLPE Insulation (USE-2)

Black thermoset XLPE. 90°C continuous, 130°C emergency overload. Insulation: 60 mils (≤AWG 2), 80 mils (AWG 1-4/0), 95 mils (250-500), 110 mils (600-1000).

Single Conductor

Individual conductors — no cabling. Build custom Duplex/Triplex/Quadruplex assemblies in the field, or use individually for street lighting and riser circuits.

600V Secondary + 130°C Overload

Rated 600V. 130°C emergency overload (100h/12 months) — higher than the standard 90°C USE-2 rating for contingency operation during network faults.

19 Code Names (8AWG–1000kcmil)

Comprehensive range: Cornell → Fordham. Dual-unit table with imperial (in/lb) + metric (mm/kg). Full NEC + ICEA ampacity data.

UL / RUS Certified

UL Listed USE-2 per UL 854 and NEC 310.104(A). RUS accepted. ICEA S-105-692 compliant for all utility underground applications.

Technical Characteristics

Rated Voltage	600V (secondary distribution and USE-2 applications)
Normal Operation Temperature	90°C (dry, wet, and direct burial)
Emergency Overload Temperature	130°C (max 100 hours within 12 consecutive months)
Conductor Material	1350-H19 or AA-8000 aluminium alloy, Class B compressed
Insulation	Black thermoset XLPE — 60/80/95/110 mils by size
Neutral Identification	Black XLPE with yellow striping or full yellow jacket
Listing	UL Listed USE-2 per UL 854, RUS accepted, ICEA S-105-692

Applicable Standards

Standard	Scope
ICEA S-105-692	600V single layer thermoset insulated utility underground distribution cable. Primary standard for all URD conductor construction and testing.
UL 854	Service Entrance Cables. USE-2 listing per NEC 310.104(A) for underground service entrance in all environmental conditions.
ASTM B231 / B800 / B801	Conductor material standards: B231 (1350 concentric lay), B800 (AA-8000 series alloy), B801 (AA-8000 concentric lay stranded).
ICEA P-53-426	Ampacity tables for single conductor URD — direct buried and pole riser conduit. Referenced for all ICEA ampacity values in this specification.
RUS Accepted	USDA Rural Utilities Service. Required for federally funded rural electric distribution infrastructure projects.

URD Family — Complete Comparison

Type	Conductors	Service	Code Names
Single Conductor URD	1 × phase or neutral	Individual runs, street lighting, custom assemblies	Cornell → Fordham (19)
Duplex URD	1 × phase + 1 × neutral	120V two-wire, street lighting circuits	Bard → Everett (4)
Triplex URD	2 × phase + 1 × neutral	120/240V split-phase residential	Erskine → Fairfield (15)
Quadruplex URD	3 × phase + 1 × neutral	208Y/120V three-phase commercial	Tulsa → Windham (15)

Technical Specifications

All data per ICEA S-105-692. 19 code-name variants from AWG 8 to 1000 kcmil. Insulation thickness increases in four tiers: 60 mils (≤AWG 2), 80 mils (AWG 1–4/0), 95 mils (250–500 kcmil), 110 mils (600–1000 kcmil). NEC ampacity per Table 310.16 (≤3 conductors, 30°C ambient). ICEA ampacity per P-53-426 (1 circuit, 100% load factor).

Code Name	Size (AWG/kcmil)	Strand- ing	Insul. (in)	Insul. (mm)	Nom. Dia. (in)	Nom. Dia. (mm)	Weight (lb/kft)	Weight (kg/km)	NEC 60°C	NEC 75°C	NEC 90°C	ICEA Buried	ICEA Conduit
Cornell	8	7	0.06	1.52	0.26	6.6	34	51	40	44	49	74	36
Princeton	6	7	0.06	1.52	0.30	7.6	47	70	46	56	59	96	47
Mercer	4	7	0.06	1.52	0.35	8.9	67	100	63	72	81	117	60
Clemson	2	7	0.06	1.52	0.41	10.4	97	144	86	100	108	154	82
Kenyon	1	19	0.08	2.03	0.49	12.4	128	190	98	111	124	171	97
Harvard	1/0	19	0.08	2.03	0.52	13.2	154	229	115	133	146	193	112
Yale	2/0	19	0.08	2.03	0.57	14.5	186	277	132	150	162	221	132
Tufts	3/0	19	0.08	2.03	0.62	15.7	225	335	150	172	189	253	155
Beloit	4/0	19	0.08	2.03	0.68	17.3	274	408	173	200	221	290	185
Hofstra	250	37	0.095	2.41	0.75	19.1	329	490	196	228	248	317	199
Gonzaga	300	37	0.095	2.41	0.81	20.6	385	573	224	255	281	349	223
Rutgers	350	37	0.095	2.41	0.85	21.6	439	653	242	278	302	381	248
Dartmouth	400	37	0.095	2.41	0.90	22.9	493	734	259	300	329	410	272
Brown	450	37	0.095	2.41	0.94	23.9	547	814	—	—	—	439	295
Emory	500	37	0.095	2.41	0.98	24.9	601	894	299	344	378	464	318
Duke	600	61	0.11	2.79	1.09	27.7	725	1,079	328	377	416	514	355
Furman	700	61	0.11	2.79	1.16	29.5	830	1,235	362	416	459	549	386
Sewanee	750	61	0.11	2.79	1.19	30.2	883	1,314	368	427	470	567	403
Fordham	1000	61	0.11	2.79	1.34	34.0	1,144	1,702	431	494	540	665	492

Ampacity notes: NEC values per NEC Table 310.16 (≤3 current-carrying conductors, 30°C ambient). 60°C/75°C/90°C columns correspond to termination temperature ratings. Brown (450 kcmil) has no NEC values on the reference page (—). ICEA Direct Buried: 1 circuit, 100% load factor, earth RHO 90, 25°C ambient. ICEA Pole Riser Conduit: 1 circuit, 100% load factor, 40°C ambient, 1 cable/duct. All ICEA values per ICEA P-53-426. Single conductor URD has the highest ampacity per cross-section vs cabled assemblies — no mutual heating. 130°C emergency overload rating: max 100 hours within 12 consecutive months.

Packaging & Delivery

Parameter	Standard
Drum Type	Export wooden drum / iron-wooden drum / as per customer requirement
Length per Drum	Standard reels per AWG/kcmil; custom cut lengths on request
Drum Marking	Manufacturer, URD Single, code name, voltage, AWG, insulation, length, weight, drum number, UL/RUS marks
Cable End Sealing	Heat-shrink end caps to prevent moisture ingress
Outer Protection	Weatherproof wrapping for sea freight
Delivery Condition	Factory-new, tested per ICEA S-105-692 / UL 854, UL Listed USE-2

Typical Applications

Single conductor URD is the most flexible URD product — individual phase and neutral conductors for custom field-cabled assemblies, street lighting circuits, transformer risers, and any underground secondary application where a factory-cabled Duplex/Triplex/Quadruplex is not the right tool:

💡

Street Lighting Circuits

Individual 600V conductors for underground street lighting loops. Field-cable with neutral for custom circuit configurations.

⚡

Transformer Riser Poles

Pole riser conduit from underground secondary to pad-mount or pole-mount transformer. High ICEA conduit ampacity rating.

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Custom Field Assemblies

Build Duplex/Triplex/Quadruplex in the field for non-standard AWG combinations not covered by factory code names.

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Direct Burial

Rated for direct earth burial without conduit. 90°C continuous, 130°C emergency overload for contingency operation.

🇺🇸

US Utility Networks

ICEA S-105-692 + RUS accepted. UL Listed USE-2 per NEC 310.104(A) for all US utility underground secondary applications.

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Duct & Raceway

Suitable for installation in underground electrical ducts and raceways. Highest ampacity per cross-section — no mutual heating from adjacent conductors.

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Frequently Asked Questions

1. What is your minimum order quantity (MOQ)?

As a factory, we offer flexible MOQ depending on the cable type. For standard stock items, MOQ is low; for customized specifications, please contact our sales team for a detailed quote.

2. Do your cables meet international certification standards?

Yes, Qiangli cables are manufactured in compliance with international standards such as UL, CE, TUV, and VDE. We provide full test reports and certificates upon request.

3. Can you provide customized cable solutions (OEM/ODM)?

Absolutely. We have a dedicated R&D team that can customize cable structure, material, color, and printing to meet your specific project needs.

4. What is the typical lead time for an order?

For standard products, lead time is usually 7-15 days. For large-scale project orders or customized products, it typically ranges from 20 to 30 days.

5. Do you offer free samples for quality testing?

Yes, we provide free samples for most standard cables. You only need to cover the international courier costs. Contact us to arrange your sample shipment.