All ToolsCable Design · NEC
MV Cable Sizer — NEC
NEC Article 310.60 · 2001 V – 35 kV · Copper & Aluminium
Size medium-voltage power cables for underground and above-ground installations. Applies continuous load factor, temperature correction (NEC 310.15(B)(1)), grouping derating (NEC 310.15(C)(1)), and voltage drop — with a full NEC 310.60 ampacity reference table.
NEC 310.605 kV / 15 kV / 25 kV / 35 kVCopper & AluminiumXLPE / EPRUnderground conduitVoltage drop check
Loading tool…
Ampacity values are based on NEC 2023 Table 310.60(C)(71) for single insulated conductors in underground conduit. Always verify against the NEC edition adopted in your jurisdiction. For final design, consult a licensed professional engineer.