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gracesolar 25 Sep 0 72

​​The Ultimate Guide to the NEC 120% Rule: How to Size Your Solar System & Avoid Costly Mistakes​​

Understanding the 120% Rule: The Foundation of Safe Solar Installations The term "125 Percent Rule" is commonly misused in solar discussions. The correct and critical safety provision in the US National Electrical Code (NEC) is the 120% Rule (NEC 705.12(B)). This regulation govern..
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