Quote:
Originally Posted by LHaven
You may want to attack this from a slightly different perspective, which is that 115v in the household sockets is marginal to begin with. Yeah, I'm old enough to remember when 110 was the standard, but it's been 120 for 50+ years now. If you can get your electric company to adjust your local transformer, you may finesse out of your RV problem.
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Most utility transformers do not come with tap changers that adjust output voltage. The utilities do have the ability to adjust the primary voltage going to the transformer, but that will only happen if the primary (high voltage) circuit is lower than what it is supposed to be. We were required to maintain voltage within 5% above or below 120 volts at the main panel, which would be 127 - 113 volts, and beyond the customer panel, it is the customer's problem, which is to install large enough wire to reduce any voltage drop.