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Yes, that is exactly the way they service high-tension lines: they are deposited from helicopters, attach themselves directly to the power line and work from there! As long as they do not touch another line or anything that is "grounded" (connected to earth), they are fine, as they do not form a "circuit".

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Linemen are not 'deposited from helicopters'.

They are lifted from the ground in the 'bucket' of a so-called 'cherry picker' truck,

insulated from the ground by its tires. A ring of warning cones is placed around the

truck, and man-carrying bucket is then attached to the line. At that point, the

bucket, the man, and the truck are all at the voltage on the line. The man in the

bucket may safely handle the line, and nobody has a problem unless he happens

to be walking by on the ground and decides to catch hold of the truck.,

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12y ago

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