Nec Grounding: 250.66

NEC Table 250.122 — minimum equipment grounding conductor sizes based on overcurrent protective device rating

Electrical Engineeringnec_table: 250.663 rows
nec tablerecord idgrounding electrode conductor algrounding electrode conductor cuservice entrance conductor alservice entrance conductor cutable title
250.66250.66-16 AWG8 AWG1/0 AWG or smaller2 AWG or smallerGrounding Electrode Conductor for AC Systems
250.66250.66-24 AWG6 AWG2/0 AWG or 3/0 AWG1 AWG or 1/0 AWGGrounding Electrode Conductor for AC Systems
250.66250.66-32 AWG4 AWG4/0 AWG or 250 kcmil2/0 AWG or 3/0 AWGGrounding Electrode Conductor for AC Systems

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