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Easily replace your inlet and rewire your power cord for a SmartPlug connection that is both safer and easier to use. This package contains everything you need to upgrade your ride for a new generation of shore power connection.
Features:
Specs:
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:
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.
Customer Satisfaction Score:
94% were satisfied with this product
6% of customers were not satisfied
Ratings & Reviews

Kate F.
8/10/2026
As Smokey the Bear says, "Only you can prevent RV fires." Ok, so really Kate from etrailer said that. I am glad to see you went with the SmartPlug! Their product really is superior to the other ones out there, and can do a great job in preventing RV fires. What trip did you enjoy most this year?


James D.
8/3/2026
Thanks for taking the time to share your experience William. Glad hear the Smart plug is good quality and I can definitely understand your frustration with the fitment. The SmartPlug is designed to replace many standard 30-amp inlets but the deeper housing can make it a tight fit on some Airstream models. I really appreciate you calling that out, as it's the kind of detail that can help other Airstream owners before they start their installation. which year and model Airstream are you installing this on? We'd like to know so we can better assist those with similar setups.

Brooke M.
4/26/2025
Looks great, Allen! Killed with this install. Now that it's all ready to go, where is the next destination with the RV?

Lazer S.
3/17/2026
Thanks for the tip, Mike! I've messed with a few of these and getting that cord through is definitely a pain, so this is very good to know! ^___^ What kind of trailer did you install this on?

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Peter F.
9/10/2024
Expensive, but a great upgrade! Superior to the twist lock in every way.