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Tractor Operation & SafetySafe Operation Near Power Lines
Electricity can jump to a machine without touching it, and a tall implement or raised loader gets closer to a line than the driver realizes. Plan the work so the question never comes up.
Key points
- Map every power line and low point on your property.
- Get safe-clearance figures from your utility, not from guesswork.
- Lower loaders, augers and booms before moving, and use a spotter.
- If a machine contacts a line, stay put, warn others and call 911 and the utility.
- Treat every downed line as live.
Why are power lines such a danger around farm machinery?
Overhead lines carry far more energy than most people expect, and the wire is often bare. A raised loader, a grain auger, a tall sprayer boom, a bale elevator or an antenna can contact a line or get close enough for electricity to arc to the machine. Wet ground and damp equipment make things worse.
Contact is not the only risk. Energized equipment can electrify the ground around it, and a person stepping off can be hurt by the difference in voltage across the ground. Fatal accidents have happened to people who did everything else right after a line was hit.
- Lines are often bare and carry high energy
- Electricity can arc without touching
- Wet conditions increase risk
- The ground itself can become energized
How do you plan work near lines?
Start with a map. Mark where lines cross your fields, lanes, yards and bin sites, and note the lowest point of each span. Lines sag in heat and swing in wind. Tell every operator, including seasonal help, where they are.
Ask your electric utility for the safe clearance distances that apply to your equipment, since these depend on line voltage and local rules. Do not guess and do not rely on a number you heard once. The utility can also tell you whether lines can be raised, moved or turned off for a big job.
- Map line locations and low points
- Brief every operator
- Ask the utility for clearances
- Ask about raising or de-energizing lines
What habits keep equipment away from lines?
Look up before you raise anything. Lower loaders, augers and booms before moving, and fold or lower antennas. Pick routes that stay well clear of poles, guy wires and lines, and add extra margin for uneven ground that tilts a tall machine.
Use a spotter whenever you work close to lines. The operator often cannot judge height from the seat. Park tall equipment away from lines overnight, and never store anything flammable or conductive under them.
What about moving grain augers, irrigation pipe and ladders?
Many power line accidents involve long things carried upright: irrigation pipe, augers, ladders, bale poles and steel fence posts. Carry them low and horizontal, and look at the whole length before turning. A grain bin site with lines nearby needs its own plan for where augers can be positioned.
Metal does not need to touch a line to be dangerous when it is close. Treat every line as live, and never use a wet rope, wood pole or tool to push a line away.
- Carry long items low and flat
- Plan auger placement at bin sites
- Treat every line as live
- Never push on a line with a pole or rope
What should you do if the machine touches a line?
The general advice from safety organizations is to stay in the cab if you can, warn others to stay away and call 911 and the utility. Wait for the utility to confirm the line is de-energized. Do not touch the machine and the ground at the same time.
The exception is fire. If the machine is burning or you cannot stay, jump clear with both feet together, without touching the machine and the ground at once, and then shuffle or hop away with feet together. Ask your utility and safety trainers to walk you through this advice before you ever need it.
- Stay put and warn others
- Call 911 and the utility
- Wait for confirmation the line is dead
- Only leave for fire, with feet together
What about downed lines and storm damage?
Treat any downed line as live, even if it looks dead and is not sparking. Keep people and animals well back, and call the utility. Do not drive over lines or move debris touching them. A line on a fence can electrify the whole fence.
After a storm, scout fields and lanes on foot or from a distance before driving in, since a limb or pole may be hiding a line.
Who should you call before big jobs?
Call your electric utility before work near lines, such as bin construction, building a barn, moving large equipment or hay harvest under a low line. Many utilities offer free safety advice and may offer to mark or modify lines.
Extension services, OSHA guidance and farm safety groups publish line safety guides and demonstrations. Share them with your crew before each season starts.
Sources and further reading
- NIOSH Agricultural Safety
- OSHA
- National Ag Safety Database (NASD)
- Farm Safety Association / Farm Safety Network
Organization homepages are linked so you can search them for current guidance on this topic.