minimum wire size for 50 amp breaker This topic has 1 reply, 1 voice, and was last updated 5 months, 3 weeks ago by . Viewing 1 reply thread Author Posts May 8, 2021 at 5:13 pm #5741 AgoxitaGuest What is the minimum wire size for 50 amp breaker? May 8, 2021 at 5:16 pm #5745 MichalKeymaster For 50 amps, you’ll need a wire gauge of 6. Fifty amp breakers are most often used to power many different appliances. However, a kitchen oven can alone require 50 amps. Many electric dryers also require a 50 amp breaker. You can calculate gauge with the wire size calculator https://electric-shocks.com/wire-size-calculator/ Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In