Browse & Buy UL Standards
Standard 1703, Edition 3

Standard for Flat-Plate Photovoltaic Modules and Panels

UL Red Line
Standard 1703, Edition 3 Edition Date: September 26, 2018
Summary of Topics s1703_3_sum.html


The revisions of ANSI/UL 1703 dated September 26, 2018 were issued to incorporate the following changes in requirements:

Clarification of the Manner of Conveyance of Installation and Assembly Instructions, Section 48.

Addition of Requirements for PV Modules as Class 2 Power Sources as Defined in NEC Table 11(B) and for use in Applications as Defined by NEC Article 725 as Well as With Other Class 2 Power Source Products and Systems.

Addition of Bifacial Module Requirements.

Revisions to Appendix B, Retest Guidelines.

Addition for the Allowance of TI/RTE as an Alternative for RTI in Accordance with the UL 61730 Standards.

Removal of Surface Tension Requirement in paragraph 27.2.

Back to Standard 1703, Edition 3

The cost to purchase this Standard varies depending on whether you are ordering a hardcopy, PDF or combination of the two. We also offer two different types of subscriptions: a one year and a three year.

You will be able to choose your purchase options on the following pages.


You have one or more subscriptions that will expire soon.


You have one or more licenses to assign