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1926 1411 Power Line Safety While Traveling Under Or Near Power Lines With No Load

On-site Training
cranes under powerlines

  • (a) This section establishes procedures and criteria that must be met for equipment traveling under or near a power line on a construction site with no load. Equipment traveling on a construction site with a load is governed by 1926.1408, 1926.1409 or 1926.1410, whichever is appropriate, and 1926.1417(u).
  • (b) The employer must ensure that:
    • (1) The boom/mast and boom/mast support system are lowered sufficiently to meet the requirements of this paragraph.
    • (2) The clearances specified in Table T of this section are maintained.
    • (3) The effects of speed and terrain on equipment movement (including movement of the boom/mast) are considered so that those effects do not cause the minimum clearance distances specified in Table T of this section to be breached.
    • (4) Dedicated spotter if any part of the equipment while traveling will get closer than 20 feet to the power line, the employer must ensure that a dedicated spotter who is in continuous contact with the driver/operator is used. The dedicated spotter must:
      • (i) Be positioned to effectively gauge the clearance distance.
      • (ii) Where necessary use equipment that enables the dedicated spotter to communicate directly with the operator.
      • (iii) Give timely information to the operator so that the required clearance distance can be maintained.
    • (5) Additional precautions for traveling in poor visibility. When traveling at night, or in conditions of poor visibility, in addition to the measures specified in paragraphs (b)(1) through (4) of this section, the employer must ensure that:
      • (i) The power lines are illuminated or another means of identifying the location of the lines used.
      • (ii) A safe path of travel is identified and used.
Table T - Minimum Clearance Distances While Traveling With No Load

Voltage (Nominal, kV,
Alternating current)
While Traveling - Minimum Clearance
Up to 0.75 4
Over .75 to 50 6
Over 50 to 345 10
Over 345 to 750 16
Over 750 to 1,000 20
Over 1000 (as established by the utility
owner/operator or registered
professional engineer who is
qualified person with respect to
electrical power transmission and

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