StacksVerified U.S. regulatory reference

46 CFR §111.97-9

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Overcurrent devices must be arranged to isolate a fault with as little disruption of the system as possible. The relationship between the load and the rating or setting of overcurrent devices must meet the following:
  1. (a)The rating or setting of each feeder overcurrent device must be not less than 200 percent of its maximum load.
  2. (b)The rating or setting of a branch circuit overcurrent device must be not more than 25 percent of that of the feeder overcurrent device.