PM me you number and I can call you. Or I can PM you my number and you can block your number and we can see how to resolve this.
You've posted a bunch of links, just indicate in which post/picture/part of the guide shows how the column is grounded. Should be easy, if that data is present.
PM me you number and I can call you. Or I can PM you my number and you can block your number and we can see how to resolve this.