Overhead Aerial Power Cables | Industrial/Commercial Overhead Lines | Copper core + bunched aluminum conductors (▲10% weight reduction vs ASTM B3) PE insulation (IEC 60811) XLPE jacket (▲20% UV resistance vs PVC (ASTM D1243)) | ▲ Lightweight design reduces installation costs UV-resistant jacket (▲ extends lifespan in sunlight) CE certified (▲ EU safety compliance) | Higher initial cost (▲20% more than aluminum-only cables) Requires sturdy mounting structures |
Underground Medium Voltage Cables | Urban/Suburban Underground Networks | Aluminum conductors (▲30% cost savings vs copper) PVC insulation (IEC 60502) Lead sheathing (▲ moisture resistance per IEC 62067) | Cost-effective for mass deployment Moisture-resistant for underground use Durable against soil corrosion | Bulky design limits flexibility Requires trenching (▲ increases labor costs) |
Submarine Power Cables | Offshore/Undersea Transmission | Copper conductors (▲100% conductivity vs aluminum) XLPE insulation (▲25% voltage rating per IEC 60502) Steel-armored jacket (▲ mechanical protection) | ▲ Superior conductivity for long-distance power flow 耐腐蚀的铠装设计 (▲ withstands saltwater corrosion) | Extremely high cost (▲3x land cables) Complex installation requiring specialized vessels |
Industrial Flexible Cables | Factories/Machinery Connections | Stranded copper conductors (▲ bend resistance per IEC 60228) PVC insulation (▲ flexibility at -20°C) Flame-retardant jacket (▲ fire safety per IEC 60332) | ▲ Frequent movement tolerance (▲50% more flex cycles) Flame-resistant (▲ meets fire safety codes) | Lower voltage capacity (▲ limited to 1kV) Bulky insulation reduces conduit space |
Residential Low Voltage Cables | Home Wiring/Lighting Systems | Single-core copper (▲ ease of installation) PVC insulation (IEC 60245) Thin jacket (▲ space-saving design) | Affordable (▲ 40% cheaper than industrial-grade cables) Easy to route in tight spaces | Low voltage rating (▲ max 480V) Not rated for outdoor exposure (▲ risks water ingress) |
High Voltage Transmission Cables | Long-Distance Power Grids | Aluminum conductors (▲ weight reduction vs copper) Expanded PVC insulation (▲30% thermal resistance per IEC 60840) Composite sheathing (▲ UV/moisture resistance) | ▲ Efficient for 110kV+ transmission (▲ minimal power loss) Lightweight for aerial deployment 耐候性增强 (▲50% longer lifespan in harsh climates) | Bulky diameter (▲ requires larger towers) Specialized installation expertise required |