StacksVerified U.S. federal law reference

46 CFR §169.670 — Circuit breakers.

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Each circuit breaker must be of the manually reset type designed for—
  1. (a)Inverse time delay;
  2. (b)Instantaneous short circuit protection; and
  3. (c)Repeated opening of the circuit without damage to the circuit breaker.