Just how does "biaxial cable" differ from metal clad? It is all called BX in these parts and is only available with an insulated ground.

1900 boxes and 8B are old Steel City or Appleton p/n's for 4-S and 4-O, respectively.

I learned the trade when the old timers called lead anchors, " A-J's" presumably after the Ackerman Johnson company that is one of the mfgs. of those type anchors. The new installation tool sold by Greenlee is called a "flush setter" in the NWA market.