Understanding 4 Cavo AWG
UN 4 Cavo AWG is a standard conductor size defined by the American Wire Gauge (AWG) system. It is widely used in electrical systems due to its balance between conductivity, resistenza meccanica, and installation flexibility.
Key parameters of 4 Cavo AWG:
- Area trasversale: approximately 21.1 mm²
- Conductor diameter: about 5.2 mm
- Typical ampacity: 85–95 A (depending on insulation and installation conditions)
This size is commonly applied in both low voltage and medium voltage systems with different structural designs.

Conductor Materials for 4 Cavo AWG
Conduttore in rame
- High electrical conductivity
- Ottima flessibilità
- Better performance in demanding environments
Conduttore in alluminio
- Leggero
- Conveniente
- Suitable for large-scale installations
Low Voltage 4 AWG Cable Structure (0.6/1kV)
Low voltage 4 Cavo AWG is commonly used in residential, commerciale, and industrial applications.
Conduttore
- Copper or aluminum
- Solid or stranded
Isolamento
Typical materials:
- PVC
- XLPE

Funzioni:
- Isolamento elettrico
- Heat resistance
Riempitivo (per cavi multipolari)
- Maintains cable shape
- Migliora la stabilità meccanica
Inner Sheath (Bedding)
- Provides structural support
- Protects internal layers
Armatura (Optional)
Steel Tape Armor (STA)
- Suitable for light mechanical protection
Armatura in filo d'acciaio (SWA)
- Suitable for heavy-duty underground use
Guaina esterna
- PVC o PE
- Protection against moisture, abrasion, and chemicals
Medium Voltage 4 AWG Cable Structure (5kV/11kV/15kV/20kV/33kV/35kV)
Medium voltage 4 Cavo AWG has a more complex design to control electrical stress and ensure safety.
Conduttore
- Stranded copper or aluminum
- Compact construction
Schermo del conduttore (Semiconductive Layer)
- Ensures smooth electric field distribution
- Prevents partial discharge
Isolamento
Materials:
- XLPE
- Epr
Caratteristiche:
- Elevata rigidità dielettrica
- Thermal stability
Insulation Screen
- Works with conductor screen
- Maintains uniform electric field
Metallic Screen
- Copper tape or wires
Funzioni:
- Grounding
- Fault current path
Water Blocking Layer (Optional)
- Water-swellable tape
- Gel compounds
Used in:
- Underground or submarine environments
Inner Sheath
- Separates metallic screen from armor
Armatura
Armatura in filo d'acciaio (SWA)
- Provides high mechanical strength
Armatura in filo di alluminio (Awa)
- Used in specific environments
Guaina esterna
- PE, HDPE, o PVC
- Resistant to UV, moisture, and chemicals
Electrical Differences Between LV and MV 4 Cavo AWG
Voltage Rating
- Low voltage: 0.6/1kV
- Medium voltage: 5kV–35kV
Sistema di isolamento
- LV: Basic insulation (PVC/XLPE)
- MV: Advanced insulation with semiconductive layers
Shielding
- LV: Not required
- MV: Mandatory
Structural Complexity
- LV: Simple
- MV: Multi-layer engineered design
Applications of 4 Cavo AWG
Low Voltage Applications
- Building wiring
- Power distribution panels
- Solar energy systems
- Equipment connections
Medium Voltage Applications
- Power distribution networks
- Substations
- Industrial plants
- Renewable energy systems
Selection Considerations for 4 Cavo AWG
Electrical Requirements
- Load current
- Voltage level
Installation Conditions
- Indoor or outdoor
- Underground or aerial
Protezione meccanica
- Need for armoring
- Environmental exposure
Prestazioni termiche
- Temperatura operativa
- Insulation type
DOS CABLE – Fabricante y proveedor
DUE FILI es un fabricante y proveedor profesional especializado en soluciones de cables de baja y media tensión, incluyendo una amplia gama de 4 Cavo AWG para diferentes aplicaciones industriales y de energía.
La empresa ofrece:
- Diseño personalizado según requisitos del proyecto
- Producción conforme a normas IEC, IEEE y estándares internacionales
- Opciones completas en cables LV y MV con diferentes estructuras
- Estricto control de calidad y alto rendimiento eléctrico
Con experiencia en proyectos internacionales, DUE FILI suministra cables confiables, duraderos y adaptados a entornos exigentes como instalaciones industriales, subterráneas y submarinas.



