Which tool is most appropriate to use on a tree that has grown into electrical conductors?

Using a pole saw is the most appropriate choice for trimming a tree that has encroached upon electrical conductors. A pole saw allows the arborist to reach higher branches safely from the ground without the need for a ladder. This improves safety when working near electrical lines, as it minimizes the risk of accidental contact with the conductors while providing adequate leverage to make cuts.

Additionally, a pole saw typically has a long reach, which is beneficial when dealing with branches that may be positioned at varying heights, particularly in scenarios involving overhead power lines. This tool can effectively handle the required pruning while maintaining a safe distance from the potentially hazardous electrical conductors.

In contrast, a chainsaw might be too cumbersome and dangerous to use in such a close proximity to electrical lines, as it requires both hands and can lead to a loss of control. Hand pruners are generally suited for smaller, more manageable branches and may not be effective for larger limbs that are causing interference with conductors. Tree shears, while powerful, are usually employed for larger-scale removals or trimming operations and may not provide the precision needed for careful pruning around electrical infrastructure.