Quote:
Originally Posted by Heel n Toe
Is there a tree branch lying on or touching any of those lines anywhere between the house and where they connect to the pole?
A little bit of wind blowing on it could make it saw back and forth across the line and cause it to resonate like a violin where it connects to the house.
Also check for branches against that gutter shown in the lower left... less of a chance of the same effect
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Yes, in fact the two incoming line on the left side pass directly through the canopy of an extremely mature oak. In addition, the lower wire of the two is rubbing against a gable located at the rear of the house.
I think we've found the culprit. Thanks for the help guys..