Solar Photovoltaic (PV) Systems, Grounding Electrode System, NEC 2020 - [690.47], (9min:30sec)
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Solar Photovoltaic (PV) Systems, Equipment Grounding and Bonding, NEC 2020 - [690.43], (6min:23sec)
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Insulated neutral conductors 6 AWG and smaller must be identified white or grey per NEC 200.6(A).
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GEC is not required to be larger than 4 AWG to a rebar electrode and 6 AWG to a ground rod, 250.66.
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If you get the Neanderthal attitude (get it done), you would accomplish a lot more in your life.
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