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Old 07-07-2016, 06:21 AM   #1
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Join Date: Jun 2014
Location: Clearwater
Posts: 167
Generator Voltage Question

I have an AC Voltage Meter plugged into an outlet in our 2015 Precept 31UL.

I use it primarily to see the shore power voltage but recently noticed that when I run the coach's generator, while in the safe range, tends to only show about 115-116 volts with a load (A/C primarily) vs the 120 I typically get with shore power.

Has anyone else monitored their generators voltage output, and if so, what is your normal reading?

2015 Jayco Precept 31UL
Tow: 2014 Ford Fusion SE HYBRID
Blue Ox BX7420 Avail Towbar
SMI Duo "Stay in Play" Braking
Barley, our Golden Retriever, on board and Buster in spirit!

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Old 07-07-2016, 06:38 AM   #2
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Join Date: Mar 2016
Location: Batavia
Posts: 123
Sounds to be in the acceptable range. My previous unit was a class a with a 6.5 generac. It was around 121 VAC unloaded and ran around 116VAC with the Air. Generators will all vary, the main thing is it in range of what is expected.

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Old 07-07-2016, 08:19 AM   #3
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Location: Las Vegas!!
Posts: 138
My 35UN has same genny as McGarrett50 has. I see same 114-116 volts with both A/Cs running. I can turn several more things on and still hold this voltage though. Sounds normal to me.
2015 Jayco Precept 35UN
Towing JEEP TJ with Roadmaster plates and bar w/Blue Ox Patriot brake
an Aluma low bed trailer with HD Road King and/or Polaris RZR onboard
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Old 07-07-2016, 08:11 PM   #4
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Join Date: Apr 2016
Location: Snohomish
Posts: 62
The acceptable utilization voltage per ANSI standards is 110v- 125V.
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