RCinFLA
Solar Wizard
- Joined
- Jun 21, 2020
- Messages
- 3,565
Nationally Recognized Testing Laboratory is an OSHA thing. UL is recognized by NRTL. UL does not allow self certification. NRTL does allow self certification.
Doesn't matter what you or I think. Many local building codes have written in UL certfication requirement as well as applying NEC standards.
Bottomline, make sure your local codes/inspectors will approve any PV-grid tied equipment before you spend money buying it.
Doesn't matter what you or I think. Many local building codes have written in UL certfication requirement as well as applying NEC standards.
Bottomline, make sure your local codes/inspectors will approve any PV-grid tied equipment before you spend money buying it.