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Solar Farms: School of Hard Knocks

As an electrician who has turned to the dark side and become a building inspector, I sometimes ask myself why I became an inspector....

Just when you thought it was safe to go back into...

Many jurisdictions have now adopted the 2014 NEC and are starting to feel comfortable with the newer photovoltaic (PV) technologies of transformerless inverters and...

Become Solar Smart(er) with PV Training Online

Where were you when _____? Most of us know exactly where we were, who we were with, and what our first thoughts were as...

Blood, Sweat & Tears: The Development of Codes & Standards for...

Photovoltaic Power systems first appeared in the 1984 National Electrical Code and at that time, the equipment was somewhat simple, and the full impact...

Inspecting Large Scale PV Equipment Platforms

Almost ten years ago, I had the pleasure of working on and testing new concept inverters for a large manufacturer at a facility called...

Sunlight into Electricity and then Come the Codes: Back to Basics

Sunlight is our most valuable, necessary, and free natural resource. It warms our planet, which would otherwise be a frozen wasteland. It creates our...

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...

Inspecting Power Generating Substations

I remember many years ago working at a nuclear generating facility and being surprised that there was very little of the NEC being applied...

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...
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