1. What Is XHH Cable?
"XHH" stands for Cross-linked Polyethylene High Heat-resistant cable. With a rated working temperature of 90℃ and a voltage rating of 600V, this cable is designed for use in environments where traditional cables may degrade over time.
Thanks to its XLPE (cross-linked polyethylene) insulation, XHH cable provides superior performance over PVC cables-offering enhanced thermal resistance, insulation integrity, flame retardancy, and environmental compliance.
2. Inside the XHH Cable
Each XHH cable features a high-conductivity copper (or optional aluminum) core wrapped in XLPE insulation, giving it the following key properties:
High-temperature tolerance: Operates continuously at 90℃, withstands short-circuit temperatures up to 250℃
Excellent electrical insulation: High dielectric strength and low leakage risk
Robust mechanical properties: Resistant to abrasion, impact, and stress
UV and flame resistance: Suitable for indoor and outdoor installations
These qualities make XHH cables ideal for use in demanding applications, from 10awg xhh cable in HVAC systems to 1awg xhh for power feeders.

3. Common XHH Cable Sizes
XHH cables come in a range of AWG sizes to suit various electrical loads and wiring requirements:
xhh cable 14awg: Perfect for lighting, control circuits, and low-power systems
10awg xhh cable: Ideal for medium-power equipment like heaters, compressors, and air conditioning units
1awg xhh: Best suited for main feeders and high-load power distribution
With a balance of current-carrying capacity and flexibility, these cables simplify installation while delivering reliable performance.

4.Where to Use XHH Cables
1. Commercial and Residential Wiring
XHH cables are a top choice for wall conduits, ceiling ducts, and electrical panel connections due to their flame resistance and thermal stability.
2. Industrial Automation and Control
Used in PLC panels, motor controllers, and switchboards, 10awg xhh cable provides dependable conductivity in critical control systems.
3. Renewable Energy Systems
In solar and wind installations, where high UV exposure and outdoor elements are a concern, XHH cables offer long-lasting protection and performance.

5.XHH vs. Other Cable Types
| Feature | XHH (XLPE) | PVC Cable | Rubber Cable |
|---|---|---|---|
| Temperature Rating | Up to 90℃ | Usually 70℃ | Typically 90℃ |
| Flame Resistance | Excellent | Moderate | Good |
| Lifespan | ≥30 years | ≤20 years | ≤15 years |
| UV Resistance | High | Poor | Fair |
| Environmental Compliance | RoHS-compliant | Often halogenated | May contain halogens |
From xhh cable 14awg for control systems to 1awg xhh for power distribution, XHH cables clearly outperform traditional options across multiple categories.

6.Easy Installation & Custom Options
XHH cables are designed for ease of use in real-world installations:
Easy stripping with strong core integrity
Tight bend radius for confined spaces
Available in custom lengths, colors, and packaging
OEM/ODM services available for large-scale projects
Whether you're working on residential development or industrial machinery, these cables make wiring efficient and hassle-free.

7.Certifications and Compliance
All our XHH 600V cables meet stringent quality and safety regulations, including:
UL 44 Standard
RoHS Compliance
ISO 9001 / ISO 14001 Certified Manufacturing
You can rest assured that our 1awg xhh, 10awg xhh cable, and xhh cable 14awg products meet international requirements for safety and environmental performance.

8. Frequently Asked Questions
Q1: Can XHH cable be used outdoors?
Yes. XLPE insulation offers excellent resistance to UV radiation and weather, making it ideal for outdoor applications.
Q2: What's the difference between XHH and THHN cable?
THHN cables typically operate at 75℃ in moist environments, whereas XHH cables are rated for 90℃ and offer better long-term thermal stability and insulation strength.
Q3: How do I choose the right size of XHH cable?
Select your cable based on load current, installation environment, and application. Use xhh cable 14awg for small devices, 10awg xhh cable for HVAC, and 1awg xhh for main power feeders.

Dongguan Greater Wire & Cable Co., Ltd. adheres to the concept of "quality-led, service-first", and provides a series of high-performance cable products, including cross-linked cables, PVC cables, rubber cables and silicone cables, which fully meet the needs of multiple fields such as engineering construction, medical equipment and aviation systems. We provide customers with full-process services, from selection recommendations to after-sales guarantees, and strive to be perfect in every link. Welcome to contact Greater now, we look forward to providing the most suitable cable support solution for your project.






















