Best Deals This Week

Best Inlet Boxes Deals Online in the US (10 deals found)

Last Updated - March 15, 2026 Sort By:

Best Choice

New
Pre-Drilling 50 Amp Generator Inlet Box RVMATE, NEMA SS2-50P Power Inlet Box, 125/250V, 6250/12500W 50a Power Inlet Box, ETL Listed, Waterproof for Outdoor Use
🚩【Pre-drilling Design】: RVMATE 50 Amp generator inlet box is easy to remove and replace the wiring caps without using special tools (such as driller/knockout punch) or finding an electrician . RVMATE pre-drilling generator inlet box saves your time and money.

$29.99
Used
Pre-Drilling 50 Amp Generator Inlet Box RVMATE, NEMA SS2-50P Power Inlet Box, 125/250V, 6250/12500W 50a Power Inlet Box, ETL Listed, Waterproof for Outdoor Use
🚩【Pre-drilling Design】: RVMATE 50 Amp generator inlet box is easy to remove and replace the wiring caps without using special tools (such as driller/knockout punch) or finding an electrician . RVMATE pre-drilling generator inlet box saves your time and money.

$26.99
New
Pre-Drilling 30 Amp Generator Inlet Box RVMATE, NEMA L14-30P Power Inlet Box for 4 Prong Generator Cord, 125/250V,3750/7500W 30a Power Inlet Box, ETL Listed, Waterproof for Outdoor Use
🚩【Pre-drilling Design】: RVMATE 30Amp generator inlet box is easy to remove and replace the wiring caps without using special tools (such as driller/knockout punch) or finding an electrician . RVMATE pre-drilling generator inlet box saves your time and money.

$27.99
Best Value

New
Reliance Controls Generators Up to 7,500 Running Watts PB30 30-Amp NEMA 3R Power Inlet Box, Gray
Material Type: Powder Coated Steel

$52.99 $67.99
10% Off

New
Connecticut Electric EGSPI50 50A Rainproof Generator Power Inlet Box with Cover, CS6375, SS2-50P, Receptacle, Gray
50-Amp, 120/240 VAC generator power inlet box

$62.95 $69.99
16% Off

New
SURAIELEC 50 Amp Generator Power Inlet Box, NEMA SS2-50P Generator Box for 3-Prong Generator Cord, 120/240V, 12000W Weatherproof Outdoor Outlet Receptacle
Generator Power Inlet Box: Our power inlet box features a NEMA SS2-50P plug, rated for 12,000W and compatible with 4-6 AWG wire. The 3R rainproof design and ETL Certified receptacle provide enhanced safety and reliable outdoor performance

$58.74 $69.99
New
Reliance Controls PB50 50-Amp (CS6375) NEMA 3R Power Inlet Box,Gray
For indoor or outdoor use with specific transfer switches, manual transfer panels and generator-ready load centers

$79.99
Used
Reliance Controls PB50 50-Amp (CS6375) NEMA 3R Power Inlet Box,Gray
For indoor or outdoor use with specific transfer switches, manual transfer panels and generator-ready load centers

$68.66
37% Off

New
30 Amp Generator Inlet Box [Pre-Drilled] with Green Safely Light, PB30 Power Inlet Box, 7500 Watts Generator Transfer Switch Accessories for Emergency in Snowstorm Weather, ETL Listed
Pre-drilling Design: GeepKey generator inlet box is designed for easy removal and replacement of wiring caps, without the need for special tools like a drill or knockout punch, or the assistance of an electrician. This saves you both time and money.

$16.99 $26.99
New
50 Amp Generator Inlet Box with Green LED Power Indicator Pre-Drilled 4 Holes NEMA SS2-50P, 125/250V, 6250/12500W ETL Listed Rain and Snow Protection
4 Large Pre-Drilled Holes: 4 large knockouts are replaced by removable rubber stoppers, which can be easily removed, eliminating the trouble of drilling holes,can save you a lot of time

$13.13 $13.89

10 Inlet Boxes deals are available from: Amazon stores, starting from $13.13.
The biggest discount we found is 37% on 30 Amp Generator Inlet Box [Pre-Drilled] with Green Safely Light, PB30 Power Inlet Box, 7500 Watts Generator Transfer Switch Accessories for Emergency in Snowstorm Weather, ETL Listed at Amazon.
The lowest price we found is $13.13 while the highest is $79.99.
Prices for the best Inlet Boxes deals average at $43.84.
Last updated on March 15, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Inlet Boxes.