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Old 12-10-2003, 08:22 AM   #15
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Be carful on the Walmart Extension Cord. The wire size may be marginal for the application. Bigger is better. I always buy my 30 AMP cords from CW.

The rest of it is normally equal, WM=CW but this is one issue that I have discussed with other members.
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Old 12-10-2003, 08:33 AM   #16
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Maybe I missed thread. Are you guys saying the 30 amp RV cord sold by Walmart isn't 30 amp????

Jack
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Old 12-10-2003, 08:54 AM   #17
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I don't remember the numbers off the top of my head, but John_HD and I were talking about the wire sizes and the 30 Amp cord is the proper size wire, but just barley if you factor in the length and line loss. As I remember it is one wire size smaller than the cord available at CW. You would need to get the numbers off the wire jacket to be sure of the sizes. I can check mine tonight and post them. I have 2 extension cords, both from CW. One is supposed to be sacrificed to replace my coach power cord as the end of the cord is going bad, but for right now it is the one I leave in the garage for quick hook ups.
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Old 12-10-2003, 09:01 AM   #18
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I'm not postive but I'm pretty sure I did buy mine from Walmart shortly after I bought the Safari a couple of years ago. I think I have only had to use it once. I would assume that if the cord is UL rated, doesn't that mean it should handle 30 amps? I think its 25 feet long.

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Old 12-10-2003, 06:33 PM   #19
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Jack,

Just checked my extension cord. It has stamped into the PVC jacket. 10 AWG 3C Recreational vehicle power cord 30 amps.

I want to say that some of the ones seen at Wally World were 12 AWG?
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Old 12-10-2003, 07:05 PM   #20
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Voltage Losses

A 30 amp load through 50 feet of 12 gauge wire will only deliver 114 volts to the circuit breaker from a 120 volt plug. A 6% loss.

The same 30 amp load (50') through a 10 guage wire delivers 116 volts. A 3% loss.

Even though it doesn't seem like much of a difference, the 12 guage wire is at the ragged edge of heating up, creating more internal resistance, and really causing major voltage drops.

The above, coupled with the fact that on peak weekends most campgrounds have difficulty delivering even 117 volts at each campsite, really demands a minimum of 10 guage wire for lead-in service.

I discovered this past summer how much a new AC costs due to blowing the original AC due to inappropriate voltage.
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Old 12-11-2003, 07:32 AM   #21
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I have an analog voltage monitor that I keep plugged into a kitchen outlet. I watch this fairly closely to make sure I don't get myself into trouble.

It the trailer umbilicle 10 gauge?

Jack
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Old 12-11-2003, 08:49 AM   #22
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Umbilical Gauge

I just checked the service manual for the 345. Amazingly, no guage is given for the actual umbilical, neither is it embossed on the actual cable sheath.

The manual did, however, indicate that 10 ga. wire was used for the jumper from the umbilical reel connection to the main breaker box.
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Old 12-11-2003, 12:21 PM   #23
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I'm going to be visiting my storage location this weekend to move the Classic. Apparently I parked in the wrong spot. I'll check the gauge out and also look at my extension. Hopefully I will find them both 10.

Jack
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Old 01-17-2004, 01:38 PM   #24
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Gloves for Sewer Hook-ups

Don't forget a box of latex gloves for hooking up and dis-connecting your sewer hoses. We also like to have a few "Mike's Hd. Lemonades" handy!
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Old 01-17-2004, 07:24 PM   #25
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We bought a small double step ladder so we can reach the awning hold downs. I got tired of using that long rod to unscrew the hold downs. It's a lot easier just to stand on the ladder and screw/unscrew them by hand.
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Old 01-17-2004, 08:04 PM   #26
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wire size calculator

hey gang,


missed the part about the extension cords.

here is a handy site for calculating wire size for minimum voltage drop.

http://www.pljohnson.com/electrical/...voltdrop.shtml

john
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