These are the industry standards that your cable should be meeting:

• ICEA S-94-649 Standard for Concentric NeutralCables Rated 5 through 46 KV
• AEIC CS8 Specification for Extruded Dielectric, Shielded Power Cables Rated 5 through 46 KV

Component Standards

• ASTM B 231 Standard Specification for Concentric Lay-Stranded Aluminum 1350 Conductors
• ASTM B 3 Standard Specification for Soft or Annealed Copper Wire
• ICEA T-31-610 Test Method for Conducting Longitudinal Water Penetration Resistance Tests
• ASTM B 5 Standard Specification for High Conductivity Tough-Pitch Copper Refinery Shapes
• NEC-National Electric Codebook 2020