The answer to 'how much does junction box cost' is that the cost of a junction box can vary widely depending on several factors. Junction boxes are an essential electrical component used to connect and protect wiring in a home, and the cost can range from $5 to $100 or more depending on the size, material, and features.
The main factors that influence the cost of a junction box include the size (larger boxes cost more), the material (metal boxes are more expensive than plastic), and any additional features like covers, knockouts, or mounting hardware. The location and accessibility of the junction box in the home can also impact the overall installation cost. For an accurate estimate, it's best to get quotes from local electrical contractors who can assess your specific needs.