UL4703 Photovoltaic Cable Solar PV DC Wire 600V - Wubai Cable

Photovoltaic (PV) cables are specially designed for solar power systems, widely used for power transmission between solar panels, inverters, combiner boxes, and the grid. They offer excellent resistance to high temperatures, UV radiation, aging, and corrosion, ensuring reliable performance in harsh outdoor environments. PV cables are suitable for utility-scale ground-mounted solar farms, commercial and industrial rooftop systems, distributed PV installations, and agrivoltaic projects. As a critical component in photovoltaic systems, they guarantee safe, efficient, and long-term energy transmission

Structure

Conductor: Tinned copper, compliant with IEC 60228, Class 5

Insulation: Low-smoke, halogen-free, flame-retardant irradiated polyolefin

Outer Sheath: Low-smoke, halogen-free, flame-retardant irradiated polyolefin

Sheath Color: Black/Red

Characteristic

Rated voltage	DC 1.5KV / AC 0.6/1KV
Test voltage	6000V
Operating temperature	-40℃~125℃
Short circuit temperature	280℃ 5s
Bending radius	D＜8mm 4D; D≥8mm 6D
Service life	≥25 Years
Standard	UL 4703
Certification	TUV /EN/UL/CQC

Solar Cable Specification (UL 4703 PV-Wire)
Spec	Construction	Voltage V	Insulation	Sheath	Outer	Weight
			Thickness	Thickness	Diameter
			mm	mm	mm	kg/km
1x14AWG	30/0.25	600V	0.76	0.76	4.9	37.7
1x12AWG	50/0.25	600V	0.76	0.76	5.43	52.3
1x10AWG	56/0.3	600V	0.76	0.76	6.13	76.2
1x8AWG	84/0.3	600V	1.14	0.76	7.69	120.5
1x6AWG	142/0.3	600V	1.14	1.14	9.45	186.3
1x4AWG	228/0.3	600V	1.14	1.14	10.66	266

Features

1. The Conductor Is Tinned Copper Conductor

① Protects copper wire from oxidation and blackening in high-temperature, humid conditions.

② Enhances reliability and weldability for conductor terminal connections.

2. The Conductor Is Soft Copper Conductor

① Smaller diameter strands improve bending performance for the same load surface.

② Ensures flexibility for solar panels adjusting to the sun’s angle.

③ Simplifies installation.

3. The Insulation and Sheath Are Made of Low-smoke Halogen-free Flame-retardant Material with a Temperature Resistance of 125℃

① Withstands high temperatures.

② Flame-retardant insulation ensures safety.

4. Insulation and Sheath Materials Have Excellent Heat Shrinkage Function

① Superior heat shrinkage maintains solar cable safety.

5. The Insulation and Sheath Materials Are Resistant to Low Temperatures

① Performs reliably in -40℃ to 125℃.

② Resists cracking in extreme conditions.

6. The Cable Has Outstanding Acid and Alkali Water Resistance

① Resists oxidation when exposed to water, ensuring stable welding.

② Endures prolonged immersion in acidic or alkaline solutions.

7. Excellent UV Resistance

① 25-year lifespan.

② Break elongation remains ≤50%.