Price of residential indoor electrical distribution boxes

Indoor residential electrical distribution boxes typically range from $400 to $3,500 depending on amperage, features, and installation requirements.

Standard Panel Boxes

For a typical 100-amp residential panel, the unit alone usually costs $400–$700, with total installation costs including labor and permits ranging from $600–$1,100. Upgrading to a 200-amp service can cost $1,000–$2,000 for the panel itself, with total installed costs between $1,900–$3,400, depending on service disconnects, meter sockets, and wiring runs. High-end panels with advanced safety features or specialty enclosures can exceed $2,500, with total installed costs well above $3,500.

Subpanels

Adding a subpanel, for example for a garage or workshop, typically costs $250–$350 for the unit, with additional wiring and labor bringing the total to $1,100–$1,350 per panel. Subpanels are useful for expanding circuits without replacing the main service panel.

Multi-

Gang Switch Boxes

Indoor multi-gang switch boxes are designed to house multiple switches or outlets in one location. Prices vary by size and capacity: 3-gang welded steel box: cubic capacity 65 in³, weighs 1. 4 lbs, cost per unit varies by supplier.

4-gang welded steel box: cubic capacity 80 in³, weighs 1. 6 lbs. 6-gang welded steel box: cubic capacity 111 in³, weighs 1.

5 lbs. These boxes are NEC-compliant, durable, and suitable for vertical mounting in residential applications. Larger capacity boxes are ideal for modern homes with multiple devices at a single location.

Factors Affecting Price

Amperage and number of circuits: Higher amperage panels and more circuits increase cost. Material and construction: Steel or corrosion-resistant enclosures cost more than basic metal or plastic units. Installation complexity: Labor, permits, and accessibility can add hundreds to thousands of dollars.

Advanced features: Smart monitoring, surge protection, and energy management increase upfront costs but improve safety and efficiency. Regional variations: Urban areas often have higher labor rates, affecting total installed cost.

Summary

For a standard residential indoor distribution box, expect $400–$700 for a 100-amp panel and $1,000–$2,000 for a 200-amp panel, with total installed costs ranging from $600 to over $3,500 depending on features, labor, and permits. Subpanels and multi-gang switch boxes provide flexible options for expanding circuits, with prices varying by size and capacity.