Pretty sure it is #12. #14 is good for 15 amps. I would use #12 even if #14 is OK as it is borderline. Also depends on your local electrical code/inspector as to what type etc. You may be able to take out a homeowners permit and get the info from your local authorities.
A forum community dedicated to Do it yourself-ers and home improvement enthusiasts. Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! Helping You to Do It Yourself!