Often Associated with Raised Flooring, A(n) ________ May Consist of Copper

Often associated with raised flooring, a(n) ________ may consist of copper straps taped to the concrete floor, or it may be the floor itself with the stringers that support the tiles acting as the bonding conductor across the gradient of the floor.

A) Grounding electrode conductor (GEC)
B) Electrical ground bar (EGB)
C) Signal reference grid (SRG)
D) Telecommunications bonding backbone (TBB)
E) Drain wire