What is the minimum cross-section dimension for wood braces used to support outlet boxes?

The minimum cross-section dimension for wood braces supporting outlet boxes is set to ensure adequate strength and stability. The correct choice of 1 in. x 2 in. dimensions is specifically established to provide enough structural support without being overly robust or unnecessarily large. This size balances strength requirements with practical installation and material cost considerations.

Braces that are too small may not adequately support the weight of the outlet boxes or any connected fixtures. Therefore, the 1 in. x 2 in. size serves as a standard that meets building code requirements, ensuring safety and effectiveness in electrical installations. This choice also facilitates ease of handling and installation, which is essential in practical applications.

Larger dimensions, such as those suggested in other choices, may provide additional strength but are not required, making the selected option the minimum acceptable standard.