I have a 60 amp 208 single phase circuit using 4 AGW Aluminum wire 75-100 feet away from panel.
I need a 30 amp 208 single phase circuit for an expresso machine demo.
Can I just change out the 60 amp breaker with a 30 and use for the day or will the larger wire size not be safe.
Electrical – Breaker vs Wire Size
electrical
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Best Answer
Having larger wire is ok by changing to a smaller breaker you are protecting the coffee maker, this is fine in code just make sure the new outlet is rated for aluminum wire.