In rec.aviation.owning Ray Andraka wrote:
Dave S wrote:
What size CB is considered adequate for this type of transponder that
will allow enough current but still protect the wiring from a short?

I believe the breakers are supposed to be sized to the wire, not to the
radio.

Chapter 11 of AC43.13-1B seems to agree, and tells you how to figure it
out.

http://www.airweb.faa.gov/Regulatory...E?OpenDocument

Matt Roberds