I have a new project for a bank that is installing a new network rack in the branch. The Service for this facility is 400 amps. However, the architecture drawing showing the Telephone Bonding Backbone (TBB) is to be sized according to the following statement. Green insulated copper conductor...

Good evening, I took my local 701 exam last November, scored a 8 out of 9 and now I have my interview on Friday the 13th :devil:. I'm not sweating the interview since I've read through all those posts however I have a basic question which I should of asked a while back: What's exactly is in...