Description

Technical Parameters

Certification

500kcmil Copper XHHW/XHHW-2 Wire

PRODUCT REAL SHOT

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500 kcmil – The Heavy Lifter for Utility-Grade Power Distribution

When power demand reaches the scale of entire buildings or large industrial complexes, 500 kcmil XHHW/XHHW-2 delivers the needed capacity. Featuring a pure copper conductor (solid or stranded) with XLPE cross-linked polyethylene insulation and certified to UL 44, this wire is built for high-current applications. Available in 600V, 1000V, and 2000V ratings. XHHW-2 insulation maintains 90°C wet/dry performance, resisting heat, moisture, and chemicals over decades of service. This wire is used for high-rise building risers, main service entrances, large motor leads, and transformer-to-switchgear connections. It installs in conduit, tray, or other approved raceways.

PRODUCT SPECIFICATIONS

500 kcmil Red Copper XHHW-2 Wire structrue

Size(AWG/Kcmil)	Strands No./OD. (mm)	XLPE Insulation Average Thickness (mm)	Approx. O.D. (mm)	Max.DC Resistance (20°C, Ω/km) (Bare Copper)	Max.DC Resistance (20°C, Ω/km) (Tinned Copper)	Approx. Weight (kg/km)
250	37/2.09	1.65	18.09	0.142	0.147	1236.75
300	37/2.29	1.65	19.49	0.118	0.122	1475.07
350	37/2.47	1.65	20.75	0.101	0.105	1707.60
400	37/2.64	1.65	21.94	0.0885	0.0911	1942.91
500	37/2.95	1.65	24.11	0.0709	0.0729	2411.26
750	61/2.82	2.03	29.64	0.0472	0.0486	3633.46
1000	61/3.25	2.03	33.51	0.0354	0.0364	4793.24

CERTIFICATIONS

500kcmil Cross Linked Polyethylene XHHW-2 Copper Wire

PACKAGING

Roll

Small Wooden Reel

Large Wooden Reel

APPLICATION

Circuit Wiring

Service Entrance Wiring

Cable Tray Raceway Systems

CASE

Mayo Clinic Hospital Saint Marys Campus

30 Hudson Yards

Stanford University California USA

WHY CHOOSE US

30Years of experience
in one-stop service

Dongguan Greater Wire & Cable Co., Ltd. is a professional engineering-grade cable manufacturer in China, supplying certified electrical cable solutions for building, industrial, mining, energy, and infrastructure projects worldwide.

With a 30,000 m² factory, 30 production lines, experienced engineers, and a strict quality control team, we provide reliable, traceable, and compliant cable products for international engineering applications. Our products are supported by certifications including SAA, UL, cUL, VDE, TÜV, CE, CB, IEC, BPS, and ISO.

We are committed to safety, quality, transparency, and long-term partnership. From raw material inspection to finished product testing, every batch is carefully controlled to ensure stable performance and dependable project use.

Greater Cable - Certified Quality. Reliable Supply. Engineering Value.

Green Environment Wire & Cable Factory Exterior Photograph of Greater Wire

15K

Finished Projects

150+

professional staff

15K

happy clients

92+

awards & certifacates

PLANT EQUIPMENT

Large Cable Cabling Production Line of Greater Wire Factory

Single Cabling Machine with Large Cable Reel Drum

Copper Wire Stranding Machine Cluster in Workshop

Complete Wire Insulation Coating Processing Line

Large Rotary Cage Twisting Equipment for Multi-Core Cables

Copper Rod Feeding Machine for Cable Conductor Production

GLOBAL CERTIFICATIONS

UL VDE TUV SAA ISO Wire Certificates Collection

CUSTOMER PHOTOS

Global Import Clients Factory Inspection & Cooperation Wall

INTERNATIONL TRANSPORTATION

Sea Freight

We offer reliable sea freight solutions for large-volume orders. Your goods are securely packed and shipped in containers, ensuring cost-effective delivery to ports worldwide.

Air Freight

For faster delivery, our air freight service ensures your products reach international destinations quickly, with careful handling and full tracking along the way.

International Express

Need urgent shipments? Our international express service delivers small to medium orders efficiently, providing door-to-door service with real-time tracking for peace of mind.

Global Multi-Modal Logistics for Export Wires and Cables

COOPERATIVE PARTNER

We are looking for a cooperative partner to expand our business.

Strategiya Sveta Cross-border Business Collaborator

ladybird Reliable Foreign Cooperation Firm

NOTABLE Global Sourcing Partner Enterprise

Hiknow Reliable Foreign Cooperation Firm

SinoKing Overseas Cooperative Enterprise

How To Cooperate With Us?

Simply share your requirements, receive our professional solution, confirm samples, and enjoy fast, reliable production and worldwide delivery - working with us is that easy.

Our address

Building 2, No. 40 Luxi 2nd Road, Liaobu Town, Dongguan City, Guangdong Province, China

Phone Number

+86 136 6257 9592

+86 135 1078 4550

E-mail

manager01@greaterwire.com

Company Team Solidarity Collaboration Office Shot

FAQ

When would I need 500 kcmil instead of smaller sizes?

When your load current exceeds what smaller gauges can handle, especially on long runs where voltage drop is critical. It is also ideal for applications requiring future capacity headroom.

Can 500 kcmil be used as a substitute for parallel smaller conductors?

Yes. One 500 kcmil run is often simpler and more reliable than multiple smaller parallel conductors, with fewer terminations and no current imbalance issues.

Is handling 500 kcmil difficult in the field?

This is a heavy gauge. Stranded construction helps with flexibility. Proper pulling equipment and bending tools are recommended. Plan conduit bends with larger radii.

What are the typical termination challenges with this gauge?

500 kcmil requires larger lugs and connectors, and adequate bending space in termination enclosures. Proper torque tools are essential for reliable connections.

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