Breaker 125 Percent Rule Protects Aging Wiring From Oxidation Failure

https://www.livebinders.com/b/3720292?tabid=b862880b-6ecb-ec13-5ff1-ab12c1f3fd19

The 125 percent rule requires that breaker amperage not exceed 125 percent of wire ampacity—a critical safety buffer designed to prevent overheating in aging wiring systems