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Calculate required breaker amperage
Electricity in Iowa costs an average of $0.13/kWh.
Climate Zone
5
Electricity
$0.13/kWh
Labor Costs
85% avg
Calculate the correct breaker and wire size for your electrical load
Check the nameplate or manual for device wattage
Iowa is in Climate Zone 5 - Cool-Humid/Cold (significant heating, moderate cooling). Homes here typically have higher heating demands than cooling.
Breaker size is determined by wire size and load:
A 20-amp breaker, which requires 12-gauge wire minimum. The wire and breaker must match. Never put 14-gauge wire (15-amp rated) on a 20-amp breaker.
The circuit may be overloaded (too many devices), there could be a developing short circuit, or the breaker itself may be failing. Frequent tripping needs investigation—it's warning you about something.
Only if the wire is 12-gauge or larger. If the wire is 14-gauge, no—you'd create a fire hazard because the wire can't safely carry 20 amps.
Arc-Fault Circuit Interrupter. It detects dangerous arcing (sparking) in wires and shuts off power to prevent fires. Required in bedrooms and most living spaces in new construction.