A typical home replacement for a 100–125A indoor panel runs about $1,200–$2,500 in parts and labor; a 200A outdoor upgrade with new meter socket can reach $3,000–$6,000. Assumptions: standard conduit routing, existing wiring reachable within 10–30 feet, and a single dwelling. Understanding distribution box cost is essential for businesses and property owners planning electrical installations or upgrades. A distribution box, also known as an electrical distribution board or panel, serves as the central hub for managing and distributing electrical power throughout a. Junction box costs range from low‑price indoor models ($10‑$60) to weatherproof units ($70‑$450), with installation averaging $100‑$300 depending on location and materials. Our power distribution boxes range from 20-800 Amps and are well known for being durable, long lasting and. LEX offers best-in-class portable power distribution units tailored for entertainment, industrial and military applications. Key cost drivers include panel amperage, indoor vs outdoor location, wiring length, and whether a full panel upgrade or rerouting is needed. SMART DISTRIBUTION BOXES FOR FLEXIBLE BUILDINGS.