Description
Product Overview
The Veepeak NEMA 3R Power Inlet Box is engineered for robust outdoor power connections. Constructed from heavy‑duty alloy steel with an anti‑rust coating, it resists rain, UV exposure and corrosion. Rated for 30 A at 125/250 V AC, it supports up to 7,500 W, making it ideal for generators, RVs and portable backup systems. The box features a NEMA L14‑30P 4‑prong twist‑locking inlet, a flip‑cover with a green LED status indicator, and four pre‑cut knockouts for flexible wiring.
Usage
Designed for patio, lawn and garden environments, this inlet box excels in campgrounds, construction sites, and residential backup power setups. Install it on a wall or a dedicated post to provide a safe, weather‑sealed point for generator cords. It serves homeowners, RV owners and professionals who need a reliable, code‑compliant power transfer solution.

Why Choose Us
Veepeak combines UL/ETL certification with a one‑year hassle‑free replacement warranty, ensuring peace of mind. The generous wiring space and removable front face simplify installation and improve heat dissipation, extending the product’s lifespan. Our rigorous testing guarantees performance in harsh weather while maintaining electrical safety.
Key Features
- Heavy‑duty alloy steel construction with anti‑rust coating for long‑term durability
- 30 A, 125/250 V rating delivering up to 7,500 W for powerful generator connections
- NEMA L14‑30P 4‑prong twist‑locking inlet with green LED status indicator
- Weatherproof flip‑cover and waterproof foam seal to keep moisture out
- Easy screw‑in installation, removable front face and four pre‑cut knockouts for flexible wiring
FAQ
What size wire can I use with this inlet box?
The box supports up to 10 AWG wire, matching the 30 A rating for safe, low‑resistance connections.
Is the inlet box suitable for permanent installation?
Yes, its weatherproof design and ETL listing make it ideal for permanent outdoor mounting on walls or dedicated posts.
Can I use this box with a 120 V generator?
Absolutely. The inlet accepts 125 V or 250 V input, so it works with both 120 V and 240 V generators.
How does the LED indicator work?
The green LED on the flip‑cover lights up when the inlet is energized, providing a quick visual check of power status.
What warranty does Veepeak provide?
Veepeak offers a one‑year hassle‑free replacement warranty covering manufacturing defects.






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