Electrical engineering toolbox
Equipment Grounding Conductor
Free NEC Table 250.122 calculator for the minimum equipment grounding conductor from OCPD rating, copper or aluminum. No signup.
About this calculator
Free NEC Table 250.122 calculator for the minimum equipment grounding conductor from OCPD rating, copper or aluminum. No signup.
For design, installation, or safety decisions, verify assumptions against the applicable code edition, equipment documentation, and site requirements.
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