Q:
How many watts can a 20-amp breaker handle?
A:
Quick Answer
For standard 120-volt service, a 20-amp breaker can support up to 2,400 watts on a single circuit. However, circuits should not be loaded to greater than 80 percent of their maximum capacity for long periods, which makes 1,920 watts the safe maximum for a 20-amp circuit.
Continue Reading
Credit:
Mike Weston
CC-BY-2.0
Full Answer
Running a circuit near its maximum capacity for long periods can cause the wiring and connections to become warm and may trip the circuit breaker. If a breaker trips repeatedly, appliances should be moved to other circuits to reduce the load on the affected circuit. Constant overloading can lead to damage and increase the risk of fire.
Learn more about ElectricityRelated Questions
-
Q:
How do you read a circuit breaker panel diagram?
A: A circuit breaker panel diagram provides the breaker number and reference notes about a specific breaker to the number in the service panel. After a house ... Full Answer >Filed Under: -
Q:
How do you wire a switch and receptacle combination device?
A: There are three possible ways to wire a switch and receptacle combination: the switch can be connected as a circuit breaker for the receptacle. The switch ... Full Answer >Filed Under: -
Q:
How does a double-pole circuit breaker work?
A: Double-pole circuit breakers, also known as two-pole breakers, feature a combination handle that makes it possible for both phases of the breaker to trip i... Full Answer >Filed Under: -
Q:
How much electricity does a computer use per hour?
A: A complete desktop computer setup, including speakers, a printer and an Internet modem, uses an average of 200 watts per hour; of this, the speakers use 20... Full Answer >Filed Under:
