Price of installing a distribution box in a partition wall

Installing a distribution box in a partition wall typically costs between $1,200 and $2,500 for a standard 100–125A indoor panel, including labor and materials.

Price Breakdown

• Materials: A standard indoor distribution box (100–125A, 16–20 circuits) usually costs between $200 and $600 depending on brand and features, while larger or higher-amperage panels can cost $800 or more .
• Labor: Electricians typically charge $75–$120 per hour, with installation taking 6–18 hours depending on wall accessibility, wiring complexity, and whether a new circuit run is required . For a partition wall, labor may be on the higher end due to cutting, mounting, and routing conduits.
• Permits and Code Compliance: Local permits and code upgrades can add $100–$300 to the total cost, especially if AFCI/GFCI protection or rewiring is required .

Factors Affecting Cost

1. Wall Type and Accessibility: Partition walls may require additional labor for cutting, reinforcement, or routing conduits, increasing installation time and cost.
2. Panel Amperage and Circuit Count: Higher amperage (200A) or more circuits increase both material and labor costs, potentially reaching $3,000–$6,000 for complex setups .
3. Wiring Complexity: Long runs, multiple circuits, or integration with existing panels can add 20–40% to the base cost .
4. Regional Labor Rates: Urban areas or regions with higher electrician demand may see costs 5–15% above the national average .

Practical Estimate

For a typical residential installation in a partition wall with a 100–125A panel and standard wiring:

• Low-end: $1,200 (basic panel, easy access, minimal rewiring)
• Mid-range: $1,800–$2,500 (standard panel, moderate wiring, permit fees included)
• High-end: $3,000+ (larger panel, complex wiring, difficult access, code upgrades) Choosing a metal box is recommended for durability, especially if conduits are involved, while plastic boxes are cheaper but less robust . Planning for potential surprises like rerouting or structural adjustments is important to avoid unexpected costs.