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) ...
In this EC&M Tech Talk master electrician Randy Barnett examines specific tables found in the NEC for selecting and sizing conductors. The Tech Talk begins with an introduction to conductor properties ...
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