(PGMA: Cleveland) -- Portable generators are vital to the building trades, acting as a convenient, easy-to-move source of spot power on job sites. But, like any tool, safe and proper use is critical to a safe outcome. With portable generators, that means never operating a generator indoors or in any enclosed spaces, thereby limiting exposure to carbon monoxide (CO). Some crews might be tempted to bring generators inside, believing an unfinished structure provides adequate ventilation. But the risks are real and, until recently, there was no comprehensive industry standard to ensure safety.

That all changed with the updated ANSI/PGMA G300-2018 Safety and Performance of Portable Generators Standard (G300), which includes a requirement that portable generators include automatic carbon monoxide (CO) shut-off technology. While each manufacturer’s approach is unique, all generators that meet the standard automatically sense CO levels that approach dangerous levels, shutting off the portable generator engine before carbon monoxide concentrations exceed 800 ppm (parts per million). Once the engine has been shut down, a notification light remains illuminated for a minimum of five minutes after shutoff occurs.

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