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Overcurrent Protection Sizing Calculator
Size overcurrent protection devices for general branch circuits per NEC 240.
Continuous Load
?
Continuous load current.
A
Non-Continuous Load
?
Non-continuous load current.
A
Next Standard Size OK? (1=yes,0=no)
?
1 if next standard size is allowed per NEC 240.4(B).
Calculate
Results
Min OCPD Rating
-
A
Standard Size
-
A
Min Wire Ampacity
-
A
References:
NEC Article 240; NEC 210.20; NEC 215.3