NEC Cable Ampacity Calculator
Wire Type
Insulation Temperature Rating
Installation
°C
Rooftop Proximity
Continuous Load
Final Derated Ampacity40.0 A
Base Ampacity (NEC Table)40 A
Temp Correction Factor1
Conduit Fill Factor1
Rooftop Temp Adder+0°C
Continuous Load Factor1
Recommended Breaker40 A