Product choice has been an issue with rapid shutdown requirements since the NEC 2017 update, but that tide is starting to turn. Six additional members within the SunSpec Alliance ranks have announced products and services supporting the SunSpec Communication Signal for Rapid Shutdown standard, bringing the size of the SunSpecRead More

Jan. 1, 2019, is almost upon us, which means the National Electric Code (NEC) 2017 is almost in effect. Not all jurisdictions will be up to speed (hell, some aren’t even up on NEC 2014 yet), but around 24 states will require compliance immediately. We asked a variety of manufacturersRead More

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

After selecting all of the panels, wires, inverters and any analytic software or batteries or storage, you wouldn’t want to select the wrong combiner box and accidentally undermine the entire setup. Like with any product selection, the project’s type, size and scope mean everything when selecting a combiner box, andRead More