Outdoor power distribution box sets for backyard use typically range from $100 to $500 depending on size, amperage, and features.

Price Overview

• Amazon offers outdoor electrical junction boxes and power distribution enclosures starting around $100 to $250 for smaller ABS water-resistant units with internal mounting panels and hinged covers . Premium models, such as the WESTERN 6506TLSX temporary power box or Connecticut Electric 50-Amp RV panels, may cost $300 or more depending on amperage and included outlets .

• Home Depot carries a variety of outdoor power distribution products, including sub-panels and breaker boxes. Prices generally start at $150 for basic outdoor enclosures and can go up to $400–$500 for larger, fully equipped distribution boxes with multiple circuit breakers and weatherproof features . Free shipping or in-store pickup options are often available.

• Lowe's offers outdoor power distribution and circuit protection products, including sub-panel breaker boxes and meter-main combinations. Entry-level kits with a few single-pole breakers may cost around $120–$200, while more advanced setups with multiple breakers, 50-Amp double-pole breakers, and solar-ready options can reach $400–$500 .

Factors Affecting Price

1. Amperage Rating – Higher amperage boxes (50 Amp or more) are more expensive.
2. Number of Circuits – Boxes with multiple single- and double-pole breakers cost more.
3. Weatherproofing – Outdoor-rated, water-resistant enclosures add to the cost.
4. Included Components – Some sets include breakers, mounting panels, or GFCI outlets, which increases price.
5. Brand and Certification – Recognized brands like Siemens, GE, or Connecticut Electric may be priced higher due to UL listing and durability features.

Recommendation

For a typical backyard setup, a mid-range outdoor power distribution box with 20–50 Amp capacity, weatherproof enclosure, and a few circuit breakers will usually cost $200–$350. For larger or more feature-rich setups, expect to pay $400–$500. Shopping across Amazon, Home Depot, and Lowe's allows comparison of features, shipping options, and included components to find the best value .