Explanation: As stated in Sec. 250.53(A)(3), "If multiple rod, pipe, or plate electrodes are installed to meet the requirements of this section, they shall not be less than 6 ft apart." Lupacchino is ...

The use of structural metal as a grounding electrode is an issue that has been revised during several recent Code cycles. The 2011 NEC has once again revisited the rule explaining when a structural ...