conducts lightning to the ground safly?

Question

it has 3 letters

Answer 1

"Rod," as in a lightning rod.

Answer 2

Lightning seeks floor potential. If a tower is grounded (as maximum are by technique of code) lightning would have a larger objective nevertheless at floor potential. The equipment that feeds the tower incorporates danger-free practices adverse to lightning - an arrester - so the price travels in spite of the undeniable fact that the tower to the floor harmlessly. If the tower's floor is undesirable the price would discover floor by skill of the equipment - it isn't any longer a sturdy day for a radio.