What Size Hole to Cut When Installing SmartPlug Power Inlet
Updated 12/17/2025 | Published 12/15/2025 >
Question:
What diameter hole do you recommend for a new install in the wall of my RV?
asked by: Bob
Expert Reply:
Hey Bob, when installing the SmartPlug RV/Marine Data Port Inlet # SM36MJ you would want to use a 3 inch diameter hole saw. Do

Joe
12/17/2025
I replaced the existing coax cover on my 2023 Airstream with the Smartplug. I use it for my Starlink, which uses the RJ45 plug. I didn't need to cut a hole in the camper, because the old cover was the same size. The screw pattern was the same too. It works great, it's water proof and matches the other Smartplug that has the power coupler. My camper is in storage, so I can't get a picture. It was a bit pricey, but I will never need to replace it, it's extremely durable. Thats worth the money to me.
Product Page this Question was Asked From
SmartPlug RV/Marine Data Port Inlet - Blank and Open Port - Stainless Steel
- RV Power Inlets
- Data Port Inlets
- Stainless Steel
- Chrome
- SmartPlug
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Bob
12/15/2025
Thanks Jameson! That seems big but that's what I'll use!