Name: China Copper Building Wire Single Conductor Building Wire Manufacturers Suppliers Factory
Brand: GERITEL
SKU: 312273799

PRODUCT REAL SHOT

500 Kcmil UL83 Copper THHN/THWN-2 High Heat Resistant Wire

600V Copper Building Wire for Contractor and Distributor Supply

When a project calls for copper building wire, GERITEL WIRE focuses on stable copper conductivity, familiar THHN/THWN-2 construction and export-ready supply. Its copper conductor is protected by PVC insulation and a nylon covering, a construction commonly associated with THHN/THWN-2 building wire for conduit and raceway installation. This construction is also relevant to demand for 600V copper building wire, including contractor, distributor and project purchasing for organized building wiring systems. GERITEL WIRE can coordinate conductor-size review, requested colors, custom printing, packaging and shipment documentation, helping international buyers reduce avoidable order mismatches.

PRODUCT SPECIFICATIONS

Conductor Size	Conductor Stranding	Insulation Thickness	Jacket Thickness	Nominal O.D.	Approx Net Weight	Allowable Ampacities(1) @30℃ Ambient
AWG/ Kcmil	Number of Strands	mils	mils	Inch	lbs/1000ft.	75℃	90℃
14	1	15	4	0.101	17	20	25
12	1	15	4	0.119	25	25	30
10	1	20	4	0.150	39	35	40
14	19	15	4	0.113	16	20	25
12	19	15	4	0.133	25	25	30
10	19	20	4	0.164	39	35	40
8	19	30	5	0.218	63	50	55
6	19	30	5	0.252	96	65	75
4	19	40	6	0.325	153	85	95
3	19	40	6	0.353	193	100	115
2	19	40	6	0.381	236	115	130
1	19	50	7	0.437	300	130	145
1/0	19	50	7	0.480	373	150	170
2/0	19	50	7	0.522	464	170	195
3/0	19	50	7	0.572	577	200	225
4/0	19	50	7	0.629	719	230	260
250	37	60	8	0.703	857	255	290
300	37	60	8	0.758	1019	285	320
350	37	60	8	0.808	1181	310	350
400	37	60	8	0.851	1342	335	380
500	37	60	8	0.937	1665	380	430
600	61	70	9	1.036	2002	420	475
750	61	70	9	1.134	2465	475	535
1000	61	70	9	1.273	3296	545	615

CERTIFICATIONS

PACKAGING

Plastic Reel

Small Wooden Reel

Large Wooden Reel

APPLICATION

Cable Tray Raceway Systems

Underground Conduit Installation

Branch Circuit Wiring

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.

15K

Finished Projects

150+

professional staff

15K

happy clients

92+

awards & certifacates

PLANT EQUIPMENT

GLOBAL CERTIFICATIONS

conduit THWN-2 wire

CUSTOMER PHOTOS

building THWN-2 wire

INTERNATIONL TRANSPORTATION

01

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.

02

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.

03

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.

COOPERATIVE PARTNER

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

Copper THHN/THWN-2 Wire for feeder circuits

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

FAQ

Why is nylon added over PVC?

The nylon covering provides an additional protective surface over the PVC insulation and can help with handling and pulling characteristics in raceway applications. For international orders of PVC nylon building wire, GERITEL WIRE can coordinate technical confirmation, color and size selection, printing, packing and shipment documentation.

What voltage is this 750kcmil THHN wire rated?

No. On standard single-conductor THHN/THWN-2, the nylon is a thin covering and should not be confused with the thick overall jacket used on multiconductor power or tray cable. GERITEL WIRE can support nylon jacketed THHN wire distributors and contractors with product-data confirmation, OEM requirements, batch identification and export-ready packing.

Can the insulation color be customized?

Building wire is produced in many standard colors, and project color requirements can often be coordinated subject to size, quantity, listing and manufacturing constraints. GERITEL WIRE supports colored THHN wire project inquiries with specification review, OEM marking discussion, reel or coil planning and export documentation.

Does conductor stranding affect installation?

Yes. Stranded conductors are generally easier to route and terminate in larger sizes or more complex raceways than comparable solid conductors. Buyers evaluating stranded copper THHN wire can work with GERITEL WIRE on document review, sample confirmation, project quantities and repeat-order consistency.