NRTL Certification: quality mark for solar panels in the USA

NRTL Certification mark stands for quality and safety-conforming installation of solar PV modules in the USA. Underwriting Laboratories (UL) is one of the labs.

What is NRTL Certification?

For the proper, quality and safety-conforming installation of solar PV modules in the USA, a Nationally Recognized Testing Laboratory (NRTL) certification mark is required. [caption id="attachment_4788" align="aligncenter" width="135"]

CSA NRTL certification[/caption] There are many Nationally Recognized Testing Laboratories, such as:

TUV SUD
TUV Rheinland
Canadian Standards Association
Intertek Testing Services
Underwriting Laboratories (UL)

Restrictions without NRTL Certification

Without a NRTL certification mark you:

Are not allowed to connect solar panels to the grid
Will not receive Government rebates & tax incentives
Will not receive coverage from your insurance after your house caught on fire.

Exception:

An off-grid solar system, for which government rebates & tax incentives cannot be applied for. States and local codes determine which NRTLs are accepted.

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