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05-12-2019, 05:12 PM
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#1
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Seasoned Camper
Join Date: May 2019
Location: La Center
Posts: 53
M.O.C. #24001
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Which surge protector to use
Greetings,
So I have a 30 amp surge protector left over from my travel trailer. I also purchased a 50 amp surge protector. For our upcoming trip to Silver Falls State Park in Oregon (wave if you come by), the site has 30 amps. Should I use the 30 amp, then dogbone or the dogbone and 50 amp? Thanks in advance for the advice.
I do have a power monitoring device and understand I have to manage my voltage on 30 amp. Any tips on doing that would also be appreciated. I don't mind running things on propane.
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05-12-2019, 07:13 PM
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#2
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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I use a dog bone and then 50amp ems, but then again I don't have both.
__________________
Dick, Joyce, Diego, Picatso and Gustav
2017 3720 RL, and 2013 HC 343RL
Pullrite Hitch, IS, Disk Brakes, 3rd AC, Winegard Traveler, Bathroom door mod, Dometic 320, couch for desk swap, replaced chairs, sun screens, added awnings, etc.
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05-12-2019, 09:05 PM
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#3
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Montana Master
Join Date: Oct 2012
Location: Puyallup
Posts: 512
M.O.C. #12948
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If I read ya right, I think it depends on what the pedestal at the park has. 30 for 30 and 50 for 50. As for the dog bone , I confess ignorance on before or after the surge protector.
__________________
2018 3820FK Legacy Package
2013 3750fl
2019 Chevrolet 3500HD High Country Dually
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05-13-2019, 09:32 AM
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#4
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Seasoned Camper
Join Date: May 2019
Location: La Center
Posts: 53
M.O.C. #24001
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Quote:
Originally Posted by jimandlaurie
If I read ya right, I think it depends on what the pedestal at the park has. 30 for 30 and 50 for 50. As for the dog bone , I confess ignorance on before or after the surge protector.
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Yes, thanks, that's what I was wondering. The dogbone adapter reference was how I'd have to hook it up if I had to use the 50.
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05-14-2019, 07:54 PM
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#5
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Montana Fan
Join Date: Jun 2018
Location: Holladay
Posts: 209
M.O.C. #22087
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It really doesn't matter since you have a 50A rig. Just think what the surge protector does. What you don't want to do is use a 50A protector for a 30A rig at a 50A service. When at at 30A service pole, no mater what you do, you will only pull 30A from that service pole before it trips. Does that make any sense to you?
__________________
2019 HC 381TH
2021 Ram 3500 6.7 HO
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05-14-2019, 08:37 PM
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#6
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,690
M.O.C. #12947
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If I had a choice between a 30 amp or a 50 amp EMS, I would always use the 50 amp, as the protection numbers are much higher for the 50 amp model. When using the 50 amp, both legs are separately protected for surges/lightning, where if using a 30 amp unit to feed a 50 amp trailer, you only get the protection split between the one 30 amp device. Use a dogbone at the panel, then the EMS to then plug in the shore cable to.
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Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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05-14-2019, 08:46 PM
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#7
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Montana Fan
Join Date: Jun 2018
Location: Holladay
Posts: 209
M.O.C. #22087
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Oh, don't get me wrong. I have, and would recommend, a hard wired 50A EMS. In this case there is only three wires coming out from the service panel so if you don't have one hard wired, use the 30A at service and then dogbone or dogbone then 50A. Won't make a difference.
__________________
2019 HC 381TH
2021 Ram 3500 6.7 HO
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