Frederick2
Member
- Location
- Bay Area, California
We have a large photovoltaic system that connects directly to the local utility grid through a 1000V inverter that is not UL certified.
My boss says that this is fine, that no UL certification is needed because it connects to the utility grid. However, someone else in our company (with more clout than my boss) says we must use a UL certified inverter.
I tend to agree with my boss on this issue as it appears that only recently have UL certified 1000V inverters become available.
Can anyone point me to reputable/defensible literature (e.g., a webpage) that explains how UL certification is not needed when connecting to the utility grid?
My boss says that this is fine, that no UL certification is needed because it connects to the utility grid. However, someone else in our company (with more clout than my boss) says we must use a UL certified inverter.
I tend to agree with my boss on this issue as it appears that only recently have UL certified 1000V inverters become available.
Can anyone point me to reputable/defensible literature (e.g., a webpage) that explains how UL certification is not needed when connecting to the utility grid?