Apparently that is part of their purpose. When presented with lightning, however, they turn to conductors allowing the lightning to pass to ground. You can see their teardown in video form ...
Description: The PBE # 318-0003-003 Lightning arrestor is a heavy duty connection point for electrical equipment and earth ground. The center bolt must be connected to a 3/8” or larger, 8 foot ground ...
An curved arrow pointing right. What are those odd looking things you always see attached to power lines? Turns out, they're called lightning arresters and they're crucial to preventing certain ...
The chief minister had held a meeting last week and asked state officials to install lightning arresters at all government buildings, including schools and hospitals, The Times of India newspaper ...