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Old 06-20-2018, 08:19 PM   #1
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Extension cords

I just got 2, 30A extension cords (1 from Costco and the other from Amazon). But one says it's 110V and the other is 125V?? One is a Arcon and the other Conntek. I tried to Google an answer but no luck. Click image for larger version

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Old 06-20-2018, 09:01 PM   #2
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There is really no difference between the two. AC voltage standards are actually 120 volts and 240 volts that utilities are supposed to supply, with 5% allowed up or down. Either one of those cords will work just fine.

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Old 06-20-2018, 11:10 PM   #3
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120....121.....Whatever works!
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Old 06-21-2018, 03:23 AM   #4
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When it comes to wire there are 2 ratings that are controled by 2 different factors. 1. is amp rating which is controled by the conductor size, the smaller the guage ( which means a larger conductor, just like a 12 guage shotgun shell is larger than a 16 guage) And 2 the voltage rating that is controlled by the insulation surrounding the conductor(s). With that being said, it could be a matter of how it was advertised as by the label they are both UL listed either on is fine. Now my question. Why 2 extension cables? If you are planning on using both with the cable that came with the camper then you may have a problem as 30 amp via a #10 wire is good for a maximum of 50 feet. If your extending that cable to 75' then you need to go one conductor size larger.
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Old 06-21-2018, 05:03 AM   #5
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Thanks everyone! I bought 2 because I didn't know which would come in the mail first and needed it for camping. I'm returning one but didn't know which. It's good to know, not to put 2 together though. I didn't know that.
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