National Standard Copper Core Three Four Five Core Yjv2 3 4 5 Core 10 16 25 35 Square Outdoor Cable Copper Wire

1. Core structure features
Conductor material
Pure copper core: oxygen-free copper with a purity of ≥99.9%, high conductivity (resistivity as low as 0.015-0.193 Ω/km), excellent mechanical strength, strong corrosion resistance, and a service life of more than 40 years
10
40
42
.
Conductor specifications: Covering a variety of cross-sections from 1.5mm² to 630mm², supporting single-core and multi-core (such as 3+1, 4+1 core) combinations, adapting to different power requirements
11
19
49
.
Insulation and sheath
Cross-linked polyethylene (XLPE) insulation: high temperature resistance (long-term working temperature 90ºC, short-circuit tolerance 250ºC), strong anti-aging performance, and 30% longer life than traditional PVC insulated cables
2
11
41
.
Polyvinyl chloride (PVC) sheath: corrosion-resistant, moisture-proof, flame-retardant (some models contain flame retardant ZR), suitable for indoor and outdoor laying and soft soil environment