Resistance earth measuring ground electrical electrode minimum nec soil meters requires length feet contact 250.53(a)(2) ex. rod, pipe, and plate electrodes. supplemental Stumped by the code? nec requirements for connecting gecs and bonding
Stumped by the Code? NEC Requirements for Connecting GECs and Bonding
Grounding ohms ohm
Grounding conductor electrode rod nec table grounded equipment ground bonding jade learning plate sizing required part article versus egc conductors
Nec grounding requirements stumped bonding electrodes jumpers gecs impedance grounded .
.
