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Old 06-12-2018, 02:16 PM   #1
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Project of the day: AC Power Protection

Most of the places I hookup to shore power, I either know and trust the source or I have wired it in myself, and mostly trust it
This year I will be trying out campground shore power for the first time so I figured it is time for some safe campground sex I mean power

I looked at the inline pigtail devices but they seemed either too cheap or too expensive so I picked up one of these:
Progressive Industries EMS-HW30C Portable Electrical Management System - 30 Amp
It has the remote display and seems to protect you from almost anything but sex!
Normally it is installed by cutting the power cord and splicing it in, but I decided to put it after the generator/shore power relay, that will protect my stuff from both sources.
When I powered it up by the generator I found out my AC volts were 135 so the power was cut off. I fixed that problem by slowing down the generator RPM's and now it is in range to not trip out.
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Old 06-12-2018, 02:50 PM   #2
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Thanks for the pictures..I'm planning a similar installation, and did not have a good idea if what the remote looked like. Looks like I need to build a bezel to flush mount the remote to keep DW happy...I'm not allowed to surface mount any boxes.

My normal and usual "engineering OCD" loves the labels on all the boxes!
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Old 06-13-2018, 04:37 AM   #3
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Quote:
Originally Posted by rmkrum View Post
My normal and usual "engineering OCD" loves the labels on all the boxes!
Yes, recently I get very carried away with labels and documenting everything.

My memory is not what it use to be, so I need to write it down for me or the next owner to figure out how I did that.
Here is my wiring diagram of my AC circuits. It has quite a few additions and modifications from the original.


Also, my remote is held on with VHB tape, so no holes, but still a less than perfect look.


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Old 06-13-2018, 06:44 AM   #4
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Nice installation. I'm a big fan of the Progressive EMS, and hardwired is definitely the way to go. Does yours buzz? You have a pretty tight turn on that wire, and mine will buzz if the wires aren't fairly straight going in/out of the box. Not sure why.
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Old 06-13-2018, 08:01 AM   #5
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Originally Posted by TheGreatleys View Post
Nice installation. I'm a big fan of the Progressive EMS, and hardwired is definitely the way to go. Does yours buzz? You have a pretty tight turn on that wire, and mine will buzz if the wires aren't fairly straight going in/out of the box. Not sure why.

I did notice a buzz when I turned it on one time, but other times it has been quiet. It may be just how well the relay pulls in?

I will keep a lookout for that in the future and see if I can find the source.
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Old 06-13-2018, 08:49 AM   #6
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Quote:
Originally Posted by WayneG View Post
Most of the places I hookup to shore power, I either know and trust the source or I have wired it in myself, and mostly trust it
This year I will be trying out campground shore power for the first time so I figured it is time for some safe campground sex I mean power

I looked at the inline pigtail devices but they seemed either too cheap or too expensive so I picked up one of these:
Progressive Industries EMS-HW30C Portable Electrical Management System - 30 Amp
It has the remote display and seems to protect you from almost anything but sex!
Normally it is installed by cutting the power cord and splicing it in, but I decided to put it after the generator/shore power relay, that will protect my stuff from both sources.
When I powered it up by the generator I found out my AC volts were 135 so the power was cut off. I fixed that problem by slowing down the generator RPM's and now it is in range to not trip out.
Oh crap.....one more thing to add to my list!!
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Old 06-13-2018, 09:08 AM   #7
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Oh crap.....one more thing to add to my list!!
Just think what it would cost to buy all this "necessary stuff" all at once, and it does not feel so bad a little at a time
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Old 06-13-2018, 11:54 AM   #8
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Just think what it would cost to buy all this "necessary stuff" all at once, and it does not feel so bad a little at a time
Now THAT I understand I've been buying bits and pieces for years and the way it's looking I will probably be buying bits and pieces for years to come
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Old 06-13-2018, 05:12 PM   #9
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At a park I was at , one of the units that hang from the shore power post , was in the dumpster .
Well I do electronics repair and worst case , recycling .
It had filled up with water - guessing rain water , looked it up on the internet & found they are warranted for that /
Cleaned out , tested & repaired - a good $400 ++ find , of course some abilities to repair .
Another " happy camper "
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Old 06-13-2018, 05:22 PM   #10
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When I installed a Progressive Industries EMS-HW30C in my Interstate I also mounted the list of error codes near the remote display, which I've found helpful. See photo below. That labeling on the remote bypass switch is also nice.
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Old 06-13-2018, 05:38 PM   #11
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Originally Posted by Boxster1971 View Post
When I installed a Progressive Industries EMS-HW30C in my Interstate I also mounted the list of error codes near the remote display, which I've found helpful. See photo below. That labeling on the remote bypass switch is also nice.
That sounds like a good idea, much easier than finding the list on the main electronics box cover! Especially since mine is at floor level.
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Old 06-14-2018, 09:43 AM   #12
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I'm a big fan of the Progressive EMS, and hardwired is definitely the way to go. . .
So if you get a Fault, check the power post, all is fine, contact Progressive and they say, "oops, sounds like a Warranty issue", the hardwired unit uninstall, wait for new, re-install drill will disable your power grid? I like my Power post model.
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Old 06-14-2018, 10:01 AM   #13
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So if you get a Fault, check the power post, all is fine, contact Progressive and they say, "oops, sounds like a Warranty issue", the hardwired unit uninstall, wait for new, re-install drill will disable your power grid? I like my Power post model.
It seems like that would be a fairly rare occurrence. Is that something you personally experienced?

You can get a bypass switch for the hardwired model if you're concerned about failures. I believe the remote model includes the bypass switch standard. Worst case scenario, removing the front cover and bypassing the unit manually is a 10 minute job, tops.

I like my harwired design because it's hard to steal, impossible to forget, I don't have to carry it, and it takes a moment to bypass it, which gives me extra time to consider whether that's actually a good idea.

There's certainly nothing wrong with getting a portable model if that's what works for you. But I don't think the possibility of a failure is a compelling reason not to go hardwired.
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Old 06-14-2018, 10:24 AM   #14
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Didn't know about the built in bypass option. All good.
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