Interior AC wiring / adding another breaker

Fresh water inlet

Fresh water inlet location on exterior.

Exterior view.

Interior view.

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Instead of buying an expensive electrical inlet, I made one.

Interior view of installed electrical inlet.

Exterior view of installed electrical inlet.

Exterior cover for electrical inlet.

Exterior view of the new and original electrical inlets. The cords go to a power source.

According to the RV electric web site http://www.myrv.us/electric/ a new 30 Amp inlet receptacle would not work with my existing breaker box. According to RV electric, I would need a breaker box with a single 30 Amp rated breaker instead of a box with two 15 Amp breakers. I didn't want to run 30 Amps (both breakers) through one extension cord to my power source. Instead of replacing my existing inlet receptacle and breaker box with a 30 Amp, I decided to install an additional inlet receptacle which runs to the second breaker. The second breaker is only used to run power to my fridge and air conditioner. I power this separate run with its own extension cord. I didn't want to cut a new hole in the side of my trailer for the new receptacle, so I placed it where the fresh water inlet was located. I had removed the fresh water tank anyway and wasn't planning to replace it.