Does National Grid follow tree-trimming guidelines? Your Stories Question
Question: Does National Grid follow a set of guidelines when trimming trees around power lines?
Answer: National Grid crews follow a set of guidelines developed by the US Forest Service and endorsed by several tree-care societies and organizations when they trim trees.
National Grid tries to maintain at least six to 10 feet of clearance from primary lines – and more above and below primary conductors in an effort to minimize outages in a storm.
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