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 ...
Explanation: Section 250.53 of the NEC requires that any made electrode that has a resistance greater that 25 ohms be supplemented by another electrode. The NEC does not require that an electrode have ...