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Inspecting Large Scale PV Arrays

Ten or so years ago, I worked as an inspector in southern California reviewing some of the support structures for PV systems. Some systems...

Questions from the Field: We are seeing many more supply-side PV...

PV system prices continue to drop, the 30% Federal Investment Tax Credit has been extended for another three years, and PV modules and inverters...

Details, Details, Details

Photovoltaic (PV) power systems are fairly rugged electrical systems when properly designed and installed. They will operate unintended with little or no maintenance for...

O Disconnect, Disconnect, wherefore art thou Disconnect?

Somewhat like Juliette looking for Romeo, PV installers and a few inspectors have trouble looking for, finding, and interpreting the numerous disconnect requirements in...

Nooks and Crannies in PV Systems Where the Code “Don’t Shine”

The National Electrical Code published by the National Fire Protection Association covers numerous subjects relating to the installation of electrical systems including the installation...

Do you have the information needed to adjust the codes for...

The National Electrical Code The National Electrical Code (NEC) published by the National Fire Protection Association (NFPA) is arguably the most comprehensive electrical installation code...

Keeping Up to Speed: Education and Training for the Inspector

The technologies of high-speed computers, microprocessors and integrated circuits are causing a continual evolution and even a revolution in many devices that are installed...

Considering Clarified Cable Calculations

Some of us, including inspectors, plan reviewers, electricians, and PV installers have been working with the Code for many years. We have seen the...

Questions From the Field: Enquiring Minds Want to Know

Doesn’t everyone know everything about PV and the Code? A new year is here and inspectors have time to ponder PV questions since few people...

Thoughts on the PV Inspection

Safety First — for the Inspector Photovoltaic (PV) power systems are generally inspected to ensure that they have been installed in compliance with the National...
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