the usual tie wires used to secure the rebar in a footing, or other approved means (Fig. 1). The 2011 NEC no longer allows the structural metal to serve as a grounding electrode when supplemented by a ...

The 2005 NEC made it clear that there must be an interconnection of all concrete-encased steel reinforcing bar (rebar) to the facility grounding electrode system. For facilities using copper grounding ...