Definition
UL 1703 was the safety listing standard for flat-plate PV modules in North America. Largely superseded by UL 61730 (aligned with IEC 61730) in 2020+. Modern modules carry UL 61730 listings.
Key Takeaways
- UL 1703 = legacy PV module safety listing.
- Superseded by UL 61730 (international alignment).
- Existing modules with UL 1703 still permitted.
- New modules use UL 61730.
Frequently Asked Questions
1 commonly searched questions about UL 1703.
Is UL 1703 still used?
Legacy modules still bear UL 1703 listings. New modules typically carry UL 61730 (aligned with international IEC 61730).
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