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Understanding electrical wire size charts: Amperage and wire gauges

Prevent overloading with correct amperage rating ...
Electrical Construction & Maintenance

Code Q&A: Figuring Conductor Ampacity for Photovoltaic Circuits

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) ...