Q. How is the conductor ampacity for photovoltaic (PV) circuits calculated? A. PV circuit conductors must be sized to the larger of 690.8(B)(2)(a) or 690.8(B)(2)(b). Sizing according to 690.8(B)(2)(a) ...
The term “ampacity” is used hundreds of times throughout the Code and is defined in Art. 100 as “the maximum current, in amperes, that a conductor can carry ...
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