StacksVerified U.S. regulatory reference

29 CFR §1926.1409

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The requirements of §§ 1926.1407 and 1926.1408 apply to power lines over 350 kV except:
  1. (a)For power lines at or below 1000 kV, wherever the distance “20 feet” is specified, the distance “50 feet” must be substituted; and
  2. (b)For power lines over 1000 kV, the minimum clearance distance must be established by the utility owner/operator or registered professional engineer who is a qualified person with respect to electrical power transmission and distribution.