49 CFR §229.41
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Fan openings, exposed gears and pinions, exposed moving parts of mechanisms, pipes carrying hot gases and high-voltage equipment, switches, circuit breakers, contactors, relays, grid resistors, and fuses shall be in non-hazardous locations or equipped with guards to prevent personal injury.