BY JOHN BALL, PH.D, BCMA, CTSP

Electrical hazards to tree workers are, for the most part, within the realm of those who access tree canopies. True, we do have electrocutions and electric-shock injuries among ground workers, but they are the minority. Tree canopies and electric supply lines often are intertwined with, or at least near, climbers and 
aerial-device operators. 

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