Hughes autoformers

I use the Hughes that also has the surge protection ( RV220-50SP )... I added the hard wire hit as well so I did not have to wrestle that during set up and break down... they are NOT exactly light...

** AND ** less I have to worry about walking away

bob213 wrote:
I use both an autoformer followed by an EMS. With more and more larger units(two or three ac units) in campgrounds, voltage goes low a lot more often than people realize. I feel like I'm protected from both low and high voltage.
I couldn't make a choice of one or the other.

I use the same setup. Would not be without.

Hughes now makes a ems unit as well but I will use what I have until it becomes unusable.

I'm sure it does bob213 the newer units have a lot of electrical
Components now days fireplace ect. There has to be a lot of fluctuation.

They don't exactly stabilize the voltage, they boost it 2% or 10% as required, that is the only two outputs. They also have surge protection.

I use both an autoformer followed by an EMS. With more and more larger units(two or three ac units) in campgrounds, voltage goes low a lot more often than people realize. I feel like I'm protected from both low and high voltage.
I couldn't make a choice of one or the other.

Yes, many RVers use a Hughes autoformer. Newest models also have surge protection.