Pugh Clapp

About Pugh Clapp

As solar energy continues to gain momentum as a clean and sustainable power source, understanding the regulations that govern its implementation becomes paramount. One of the key components in ensuring the safety and efficiency of solar installations is Article 690 of the National Electrical Code, commonly referred to as the NEC. This article outlines the essential wiring standards for photovoltaic systems and provides guidelines for safe installation practices. Article 690 has recently been updated to include vital provisions for systems operating at up to 1500 Vdc, making it crucial for both residential and commercial solar projects. With sections like 690 31A, which details wiring systems, and the 690 31D provisions for direct-current circuits on or in buildings, comp