UL 4703 Solar PV Cable 8 AWG 10 AWG 12 AWG — image 1

UL 4703 Solar PV Cable 8 AWG 10 AWG 12 AWG — image 2

Solar Cable

UL 4703 Solar PV Cable 8 AWG 10 AWG 12 AWG

*UL4703 Certified：Fully compliant with North American safety and performance standards.
*Durable in Harsh Environments：Excellent resistance to UV, ozone, moisture, and extreme temperatures.
*High Voltage & Heat Resistance：Rated up to 2000V, with stable performance from -40°C to +125°C.
*Flexible & Easy to Install：Stranded conductor design for quick, efficient system integration.
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Product Advantages

Built for Reliable PV Performance

Key product advantages are presented in a concise format for engineers, distributors and project buyers.

4-Level Protection

Reinforced construction designed for demanding photovoltaic environments.

14 Extreme Tests

Performance verification information can be reviewed together with the related technical documentation.

Fully Certified

TÜV, CE, RoHS and REACH compliance information presented in one place.

Harsh-Environment Stability

Positioning focused on durability, safety and long-term project reliability.

Technical Specification

Product Specifications

Original product application, structure, features and technical data.

Product Specification

Model	UL4703
TECHNICAL INDICATORS
Rated voltage	600V
Standard	UL 4703
Working temperature	-40℃~90℃
Conductor maximum temperature	120℃
Short circuit temperature	280℃ 5s
Bending radius	D＜8mm 4D; D≥8mm 6D
Service life	≥25 Years
STRUCTURE
Conductor Material	Tinned copper
Insulation	Low-smoke, halogen-free, flame-retardant irradiated polyolefin
Sheath	Low-smoke, halogen-free, flame-retardant irradiated polyolefin
Color	Black or Red

Datasheet

Specification	Construction Construction (No./mm+0.01)	InsulationThickness	SheathThickness	OuterDiameter	Weight kg/km
Specification	Construction Construction (No./mm+0.01)	mm	mm	mm	Weight kg/km
1x14AWG	30/0.25	1.05	0.76	4.9	37.7
1x12AWG	50/0.25	1.05	0.76	5.43	52.3
1x10AWG	56/0.3	1.05	0.76	6.13	76.2
1x8AWG	84/0.3	1.25	0.76	7.69	120.5
1x6AWG	142/0.3	1.25	1.14	9.45	186.3
1x4AWG	228/0.3	1.25	1.14	10.66	266

Application

Utility-Scale Solar Farm

PV cables for large-scale solar power generation projects.

Commercial & Industrial Solar Project

Reliable cabling solutions for large commercial and industrial PV systems.

Ground-Mounted Solar Project

Durable solar cables for large ground-mounted photovoltaic installations.

Product Packing

Packing/Meter	Pack Reel	Pallet Dimension(m)	Pallet/Meter
100 Meter/Roll	/	1.12×1.12×1.1m	16000
200 Meter/Roll	/	1.12×1.12×1.1m	16000
500 Meter/Reel	Plywood	1.12×1.12×1.1m	12000
1000 Meter/Reel	Plywood	1.12×1.12×1.1m	12000
3000 Meter/Reel	Plywood	1.12×1.12×1.1m	12000

Certificates

Product Certificates

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Buyer Support

FAQ

Answers about quotations, product documents, samples, certification and project procurement.

What is a UL solar cable?

A UL solar cable is a photovoltaic (PV) wire certified by Underwriters Laboratories (UL) to meet North American safety standards. It is specifically designed for DC solar applications, offering UV resistance, flame retardancy, and weatherproofing, making it suitable for outdoor and rooftop installations in both residential and commercial systems.

What does the 1500V UL 4703 rating mean for solar cables?

The DC 1500V UL 4703 rating means the cable is UL-certified for use in solar PV systems with voltages up to 1500 volts DC. It ensures the cable is safe, durable, and compliant with strict U.S. standards, providing reliable performance in outdoor conditions like high heat, UV exposure, and moisture.

Can UL solar cables be used both indoors and outdoors?

Yes. UL solar cables are designed for indoor wiring, such as inside conduits or junction boxes, and outdoor use, where they face direct sunlight, rain, or snow.

How do I select the correct cable gauge for my solar panel system?

The right gauge depends on system voltage, current, and cable run length. Shorter runs & lower current: 12 AWG is common Medium runs or higher current: 10 AWG is recommended Long runs or very high current: 8 AWG or larger Choosing the correct gauge prevents voltage drop and power loss, improving overall system efficiency.

Can UL solar cables be used in high-moisture or wet environments?

Yes. These cables are UV-resistant, moisture-resistant, and sunlight-resistant, making them suitable for outdoor and wet locations, including coastal areas or rainy climates.