The installation cost of a small secondary distribution box typically ranges from $200 to $1,800, depending on size, material, and complexity.

Cost Breakdown

Purchase Price: Small residential or light commercial distribution boxes can cost between $10 and $100 for basic plastic or metal units, while more durable or weatherproof metal boxes may range from $20 to $400 . Industrial-grade or smart boxes with advanced monitoring features can cost significantly more. Installation Costs: Professional installation for a standard residential setup generally runs $1,300 to $1,800, which includes labor, wiring, and basic components . For simpler small boxes, especially sub-panels or secondary distribution units, installation may be lower, often $200 to $600, depending on accessibility, wiring length, and local labor rates . Additional Factors Affecting Price:

• Material: Plastic is cheaper but less durable; steel or aluminum offers better protection and longevity .
• Location: Outdoor or weatherproof installations require higher-grade enclosures and may increase labor costs .
• Amperage and Circuits: Higher amperage or more circuits increase both the box cost and installation complexity .
• Permits and Compliance: Local permits can add $100–$500 to the total cost, depending on regulations .
• Smart Features: Boxes with integrated sensors, remote monitoring, or energy management systems can double the upfront cost but offer long-term savings .

Practical Considerations

When budgeting for a small secondary distribution box, consider future expansion and environmental conditions. Choosing a slightly larger or higher-quality box now can prevent costly upgrades later. Always verify compliance with local electrical codes and ensure the installer is licensed to handle the work safely. Summary: For a small secondary distribution box, expect a total cost of $200–$1,800, with the lower end for basic indoor units and the higher end for professionally installed, weatherproof, or smart systems .