NEC Trade Compliance
Wire Size for 100 Amp 240V Circuit
NEC 2026 Trade Sizing Engine
Wire Gauge & Voltage Drop Calculator
Conductor ampacity Table 310.16 & branch circuit voltage drop compliance.
Recommended Conductor
2 AWG
Copper (75°C Insulation)
Voltage Drop
1.56V (0.6%)
PASS (<= 3% NEC Standard)
Conduit & Code References
3/4" EMT Conduit
NEC Table 310.16 (Copper 75C), NEC 210.19(A) Voltage Drop, NEC Chapter 9 Table 1 Conduit Fill