Final answer:
The minimum depth of an anchor bolt in a foundation wall can vary depending on different factors, but the general guideline is 8-15 times the diameter of the bolt.
Step-by-step explanation:
The minimum depth of an anchor bolt in a foundation wall can vary depending on different factors. An older rule of thumb suggested a depth of 7-8 times the diameter of the bolt, but newer work suggests a depth of up to 15 times the diameter. For example, if the anchor bolt diameter is 1 inch, the minimum depth would be 15 inches.