Distribution boxes typically range from $50 to over $1,000 depending on type, capacity, and features, while power supply boxes for construction or industrial use can cost several hundred dollars or more.

Distribution Boxes

Residential Distribution Boxes: Standard single-phase residential units generally cost between $50 and $300, depending on the number of circuits, material, and brand. Basic fuse boxes or small circuit breaker panels are on the lower end, while modern circuit breaker panels with surge protection or smart monitoring features are more expensive . Commercial and Industrial Distribution Boxes: These are designed for higher capacity and durability. Prices can range from $500 to over $1,000, influenced by factors such as three-phase configurations, number of circuits, weather-resistant enclosures for outdoor use, and integration with building management systems . Customization options, such as specialized mounting or digital monitoring, can further increase costs. Factors Affecting Price:

• Type: Main breaker panels, sub-panels, fuse boxes, or transfer switches.
• Capacity: Number of circuits and amperage rating.
• Features: Surge protection, smart monitoring, remote control, or energy efficiency.
• Material and Durability: Indoor vs. outdoor-rated enclosures.
• Brand and Certification: Reputable brands and compliance with electrical codes may command a premium .

Power Supply Boxes

Power supply boxes, often used in construction sites, emergency setups, or industrial applications, are built for durability and multiple outlet configurations. Prices vary widely:

• Small portable units: Around $100–$300 for basic models with a few outlets and circuit protection.
• Heavy-duty or industrial-grade units: Can cost $500–$1,500 or more, depending on amperage, number of outlets, and protective features . Key Considerations:
• Construction Material: Durable blends for long-lasting performance in harsh environments.
• Circuit Protection: Built-in breakers or fuses for safety.
• Application: Temporary construction power, emergency backup, or permanent industrial installations.

Summary

• Residential distribution boxes: $50–$300
• Commercial/industrial distribution boxes: $500–$1,000+
• Power supply boxes (construction/industrial): $100–$1,500+ When selecting a box, consider current and future electrical needs, safety features, environmental ratings, and compliance with local electrical codes to ensure both functionality and long-term reliability .