Circuit Breaker Size Calculator
Calculate breaker size from load watts and voltage with NEC compliance.
Recommended Breaker
20 A
Continuous Load Sized
18.8 A
Calculated Amps
15.00 A
Power
1,800 W
Voltage
120 V
Rule
NEC 210.20 — 80% continuous rule
Calculate breaker size from load watts and voltage with NEC compliance.
Recommended Breaker
20 A
Continuous Load Sized
18.8 A
Calculated Amps
15.00 A
Power
1,800 W
Voltage
120 V
Rule
NEC 210.20 — 80% continuous rule