IEEE-142, the Green Book, differentiates between "static grounding" and "lightning grounding," by which it means bonding in the former case and earthing in the latter. Bonding, which is addressed in ...

And according to Mark Harger, owner of Harger Lightning & Grounding in Grayslake, “every vertical, structural steel beam” acts as a down conductor to dissipate the electricity. *About 90 ...