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  1. RV Power Cord
  2. SmartPlug
  3. 30 Amp to 30 Amp
  4. Power Cord
  5. 30 Feet Long
  6. 30 Amp Female Plug
SmartPlug RV Power Cord and Inlet Upgrade Kit - Gray Inlet - 30 Amp - 30'

SmartPlug RV Power Cord and Inlet Upgrade Kit - Gray Inlet - 30 Amp - 30'

Item # SM49FR
Retail:$448.00
Our Price: $380.80
You Save: $67.20
RV Power Cord
Shipping Weight: 10 lbs
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Upgrade your RV's 30-amp power inlet and 30' power cord to a SmartPlug system. Avoid fiddling with twist locks or not knowing which way is up with the straight-in plug shape. Integrated seals in the plug and inlet keeps water and debris out. Great Prices for the best rv power cord from SmartPlug. SmartPlug RV Power Cord and Inlet Upgrade Kit - Gray Inlet - 30 Amp - 30' part number SM49FR can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (58)
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  • Videos (2)
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SmartPlug RV Power Cord - SM49FR

  • 30 Amp to 30 Amp
  • Power Cord
  • 30 Feet Long
  • 30 Amp Female Plug
  • 30 Amp Male Plug
  • RV Inlet to Power Hookup
  • SmartPlug

Upgrade your RV's 30-amp power inlet and 30' power cord to a SmartPlug system. Avoid fiddling with twist locks or not knowing which way is up with the straight-in plug shape. Integrated seals in the plug and inlet keeps water and debris out.


Features:

  • Inlet and power cord upgrades your shore power setup to the SmartPlug system
    • 30-Amp Inlet replaces the existing socket on your RV
    • 30-Amp power cord connects you to the power pedestal at the campground
  • Straight-in, single-step operation means no more twisting or fiddling with locking rings
    • Plug shape takes guesswork out of connecting so it's simple to use, even in the dark
  • Multi-point locking system removes strain from connection points
    • Side levers snap with audible feedback and keeps plug in place
    • Interior clamp bears weight of the cord to support wiring in the body
    • Inlet cap snaps down onto plug body when in use to hold cord in place and reduce strain
  • Integrated seals keep your equipment safe from the elements
    • Seals in plug face and around cord keep connection safe when in use
    • Inlet cap seal keeps out rain and debris when traveling
  • Flat electrical pins increase contact area compared to curved pins in twist locks
    • Reduces heat caused by electrical resistance
  • Blue LED light illuminates to indicate power is flowing
  • High-quality materials hold up to extreme climates or out on the water
    • Marine-grade stainless steel components hold up season after season
    • Nickel-plated brass electrical pins and tinned wires resist corrosion
    • Plastics are UV and heat resistant Valox 553U resins
  • Easy installation using included hardware and illustrated instructions
    • Inlet sized to fit standard flanges so you can use the same screws and holes
  • Gray inlet color
  • Made in the USA


Specs:

  • Length: 30'
  • Amperage: 30 amps
  • Voltage: 125 volts
  • 7-Year warranty


SmartPlug vs. Twist Lock


RV and boat owners have long relied on Twist Lock style connections for powering their rides. For years, it has been the best option for connecting to shore power. It's been reliable, but most know it's not without disadvantages:


Twist-Type Design Problems

  • Curved pins make minimal surface contact, increasing the amount of heat generated
  • Locking ring can be prone to breaking, cross threading, and stripping out
  • Faulty locking ring puts strain on the connection
  • Wear and debris can loosen the fit, further decreasing surface contact
  • Circular plug shape isn't user friendly and takes some awareness of the orientation of the pins to insert correctly

SmartPlug's connector addresses each of these concerns and does all of the heavy lifting.


Locking arms grab the inlet, a clamp inside the plug body holds the cord, the inlet cap snaps to the top while in use, and the integrated seals weatherproof the connection. This helps prevent the wiggly, dirty connections that increase electrical resistance, which creates potentially dangerous heat.


Since it uses a square plug face, SmartPlug is able to use flat pins which create far more surface contact, further reducing the risk of high heat and electrical arcing. The square shape and flat pins also make it easy to plug in - no more twisting or guessing if the pins are lined up correctly.




R30303BM30PG SmartPlug 30 Amp - RV Kit - 30' Dual Config Black Cordset / (SPS x Park Power) & Non-Metallic Inlet / Gray





Video of SmartPlug RV Power Cord and Inlet Upgrade Kit - Gray Inlet - 30 Amp - 30'

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for SmartPlug RV Power Cord and Black Inlet Installation - 2007 Starcraft Homestead Lite Fifth Wheel

Hey guys, Kevin here, etrailer. Today I'll be showing you how to install the Smart Plug Power Inlet and Cord here on our Starcraft Homestead 5th Wheel Trailer. So our neighbor today wanted to upgrade from his old pull-out RV power cord up to something a little bit better. There are a few options when it comes to that, typically what you're gonna see on most campers is that twist-lock, so the issue with the twist-lock is the prongs really just aren't big enough and they don't provide as much of a secure connection onto your power cord. So you end up having a lot of heat generating on that and what can happen, is that it can burn out that inlet and then 'cause a fire inside of your camper. One of the really nice things about our Smart Plug cord is that it has this LED indicator light here, as you can see it's blue, that indicates that power is flowing correctly, from our shore power source.

If this LED indicator was red, we would know that there's a reverse polarity issue and that we would not wanna hook up to our camper. As you can see, on the side, there's gonna be two indents where we'll have these nice clamps that are gonna click onto there and prevent our power, cord from popping out of place. Gives it a nice, secure connection. You don't have to worry about anybody tripping over the cord and knocking it out or damaging the prongs inside because those prongs are nice and thick and so are these latches. When not in use, you can easily cover up the ends on your cord here, with the included case.

It just simply pops on and latches on with those two latches right there. And that's gonna prevent any water from getting in here and ruining our power cord. Our Smart Plug inlet is gonna come with a nice cover that easily pops on and locks in place and on the inside, it's gonna have a gasket that's also gonna protect our power inlets so we don't have to worry about any water getting in there and then also on the inside, connecting up to our trailer, it's also gonna have a nice gasket as well, so that we make sure that, there's no issues with any kind of water damage happening. As you can see with this one, we have white, it does also come in black, stainless steel, as well as a gray cover, so that you can match the aesthetics of your trailer. As far as installation goes, it is super simple.

The hardest part is really just gonna be making sure that you can cover up that old hole. So to begin our instillation, we're gonna have to first remove our old outlet. So to do that, we'll pull the cover off, and we'll start taking our screws out. So we may also need to just grab a trim panel tool, which is just a plastic pry bar, and kinda work this out. There we go.

Now that we have our power inlet out, let's go ahead and just kinda scrape off all that butyl tape and clean up the hole right here. We're gonna make sure that when we put our new inlet on, that it's gonna fit nice and secure up against this without anything kinda, letting any of that water through. So, as you can see, our hole is quite a bit bigger than our new Smart Plug Power inlet so I am gonna have to build a little blank to just kinda sit on here and it's gonna cover up that hole and I'm gonna cut a little hole inside of that so that it'll actually fit our inlet right here and then allow me to screw it to that blank. So I went ahead and made my blank, I cut a little hole out, I wasn't too clean with the inside of it, but that doesn't matter because when we stick our plug in, you're not gonna see any of that anyway. But I also went ahead and drilled out four holes 'cause I'm gonna mount this to the wall first, it's gonna cover up that hole and then we can mount our Smart Plug into that so on the backside, I went ahead and stuck butyl tape around it, I'm gonna peel that off right now, that way we can stick it on here and that's gonna hold that on here and it's also going to prevent any water from getting back behind this plate right here. And any of the threads of the screws, it's gonna sink up all inside of that and just give ya more water protection that way you don't have to worry about water leaking in and ruining your walls or getting into your electrics, maybe rusting out your terminals here. So, we're gonna go ahead and take that butyl tape off and get this mounted up on our wall here. So I got my backing off, I'm gonna go ahead and kinda get that how I want it to sit. That looks good right there. And I'm just gonna press this down on here, get this nice and sealed up. And then we can take our screws, I'm just using those same mounting screws that we had from our old inlet. So your inlet is gonna come with a gasket, we're gonna go ahead and peel off our 3M backing here. And that sticky side is gonna go onto our blank. And put our non sticky side down on our inlet and put that in place. Just kinda press on that a little bit, let that glue activate on the back of our gasket. And now we can go ahead and secure our power inlet into our blank here, using some screws. I'm just taking some from that we already had laying around. I'm just gonna take my trim panel tool now and just cut off that excess butyl tape. So typically when I'm installing a Smart Plug, we can kinda come through the backside to hook up the actual wires. Our neighbor today has already made some modifications to the cabinet, where the actual cord sits. So, we're not able to access that without ripping out what he's done to make his water heater work. So we're gonna go back outside, we'll pull off our plug, and then we'll pull that cord out and we'll just cut it from there and splice it in. So now we're gonna go ahead and cut off our cable. I'm gonna leave about a foot here. Start cutting in. Wanna make sure that you have your power off before you go ahead and do this and that you're not connected to shore power at all. And then we can start stripping back the casing right here, so that we can actually get to our wires. Get that out of our way. On the back of your Smart Plug, you're gonna see a green terminal, a white terminal and a black terminal. That's gonna be where you stick your cables in and then you'll tighten it down with an Allen key on that little screw right there. To get our wires ready, I'm gonna strip back some of these casing as well. One out, and then we're gonna twist that up, get some more strength before we stick it into our power inlet. All right, make sure all of that is nice and twisted up, go ahead and start sticking in our cables. And tightening it down with our Allen key. Now we got our connection made, we can go ahead and stick our inlet back in place. All right now we're gonna go ahead and take some non-sag sealant and we're just gonna go ahead and go around here. Well, I think that about does it for today's installation of the Smart Plug, RV power inlet and cord here on our Starcraft Homestead 5th wheel trailer. My name's Kevin, thanks for watching..


Customer Reviews

SmartPlug RV Power Cord and Inlet Upgrade Kit - Gray Inlet - 30 Amp - 30' - SM49FR

Average Customer Rating:  4.9 out of 5 stars   (58 Customer Reviews)

Upgrade your RV's 30-amp power inlet and 30' power cord to a SmartPlug system. Avoid fiddling with twist locks or not knowing which way is up with the straight-in plug shape. Integrated seals in the plug and inlet keeps water and debris out.

by:



by:

Quick shipping. Product looks great, I’m happy



by:



by:

I purchased Smartplug RV power cord and inlet to use with my race trailer and I really like it. The quality is great, and the technology is fantastic. The plug is so much better than the old RV twist plugs. The only downside is the cost. What I really like is the customer service from etrailer is fantastic!



by:

We chose to change to this product because the "pull out" shore power line that came with our RV got hung up inside the compartment and took considerable work to get out. The SmartPlug system was an easy install and the stainless steel inlet is very high quality. I really like the led indicator lights that confirm the incoming power is properly wired. The power cord has quality plugs and securely attaches to the RV.



by:

etrailer was easy to work with. Order process was smooth and delivery was timely. The SmartPlug RV Power Cord - 30 Amp - 30 ft was well priced and received in good condition. The item is definitely well made and durable. It even came in a nice storage bag. I look forward to years of trouble free usage on my adventure vehicle. Based on this experience I would recommend etrailer to anyone looking for similar products.



by:

VERY FAST ON DELIVERY! ALWAYS COMES THROUGH WHEN I NEED SOMETHING! :)



by:

I replaced by 2010 Airstream's inlet and cord with the SmartPlug. Installation was simple and took only a few minutes with simple tools. I enjoy the peace of mind of knowing that fire risk has been diminished. Highly recommend this product.



by:

I already had the wiring on the old box on the rv disconnected. When the new one came today, I had it mounted and completed in 20 minutes. Alot better than the old twist on one that gave us trouble since we bought the rv new in 2023



by:

Very good product. Works well and cord is nice and flexible allowing for easy stowage. I like the clip on female plug instead of the screw ring. A lot easier to connect and disconnect.



by:

I was in despirate need of this power cord. Etrailer delivered in a flash! I have been ordering products from Etrailer for a few years and i have never been disappointed. The how to videos are great, customer service is fantastic.



by:

Very fast delivery. Product arrived in perfect condition and was tested. It works as advertised.
Thank you for the great service!
Very nice carrying bag, too. That was a surprise!



by:

I couldn’t have been serviced any better. Thanks for getting me out of a mess



by:

Always a pleasant experience dealing with E-Trailer. Timely and efficient.



by:

They were very easy to install and look great on my Airstream.



by:

Delivery was a few days later than it said at first. Otherwise, product was what I ordered.



by:

fast delivery



by:

As advertised and works like a charm. Super fast delivery.



by:

I've had this cord for a year and am very happy with how it works. It's much easier to use than a twist lock style cord and I like that I get a light as soon as I plug in to tell me if the park power is ok.



by:

Although I have not used it for camping, the cord is excellent quality and very flexible. Connection is much better than the old quarter turn plug and seems more weatherproof.



by:

Perfect, just like every other things I have ordered from etrailer



by:

Needed a replacement RV smart plug. Delivered in less than a week!



by:

these are perfect! One of the best upgrades i've done on my Airstream. (all new Airstreams come with these now.



by:

I haven’t had a chance to use the product yet therefore I can’t comment on it. But etrailer customer service was great and the sale price was the best I see anywhere. I received the product promptly and well packed for shipping.



by:

Always on point. Excellent customer ser vice


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See what our Experts say about this SmartPlug RV Power Cord

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Info for this part was:

Employee Jeff D
Installed by:
Jeff D
Employee Dustin K
Video Edited:
Dustin K
Employee Wilson B
Updated by:
Wilson B
Employee Cody B
Updated by:
Cody B
Employee Amanda M
Edited by:
Amanda M
Employee Jonathan Y
Video by:
Jonathan Y
Employee Halie H
Written by:
Halie H
Employee Kevin C
Test Fit:
Kevin C

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