This STD provides clarification for 29 CFR 1926.550(a)(15)(i); clarification as related to the "forbidden zone" for clearance between electrical power lines and any part of equipment or machines. Old STD number: STD 3-12.1A - Cranes - Clearance Near Power Lines. Note: 1926.550 was redesignated 1926.1501 by new standard issued August 9, 2010, [Federal Register]. However, 1926.1501 does not exist.

Reference Subpart CC - Cranes and Derricks for standards applicable to powerlines. Additional information and resources can be found on the safety and health topic page for Cranes and Derricks

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