How do you figure amperage?

It's watts divided by volts. For example, a 1500-watt heater (divided by) 120 volts equals 12.5 amps.

Check your state and local codes before starting any project. Follow all safety precautions. Every effort has been made to ensure the accuracy and safety of this information. Neither Westlake nor any contributor can be held responsible for damages or injuries resulting from the use of the information in this document.

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