Post Tagged with: "rapid system shutdown"

Get to know NEC 2017 revisions: Updated PV labels, rapid system shutdown

Get to know NEC 2017 revisions: Updated PV labels, rapid system shutdown

January 11, 2016 at 12:28 pm 2 comments

Many changes are occurring with labeling requirements covered by Article 690 as we move toward the release of the NEC 2017 code revision. PV systems grow and evolve, and the required labeling must change with them to ensure safe and informative installations. Like any evolving process, input from many sourcesRead More

Rapid System Shutdown: Questions and Solutions

Rapid System Shutdown: Questions and Solutions

October 12, 2015 at 1:30 pm 3 comments

The updated 2014 National Electrical Code’s (NEC) manual, Section 690.12, says that a PV system needs to be able to reduce the voltage and current to 30 volts and 240 volt-amps, within a 10-ft perimeter of the array after rapid shutdown is initiated. It’s a straightforward name and concept, butRead More