Wire Size and Voltage Drop Calculator

STEP 1: FIND CONDUCTOR SIZE


Conductor
Number of Conductors
Construction
Continous Load (Amperes)
Non-Continuous Load (Amperes)
Ambient Temperature (°F)
Termination Temperature (°C)
OCPD Rated for Continuous Load
Conductors in Raceway 24 Inches or Less


Conductor Size
Fuse or Inverse Time Circuit Breaker Size


STEP 2: FIND VOLTAGE DROP


Voltage (V)
Phase
Distance One-Way (ft)
Load (Amperes)
Conductor Size


Voltage Drop (V)
Voltage Drop Percent (%)