UL 1703 PDF

1 Scope

1.1 These requirements cover flat-plate photovoltaic modules and panels intended for installation on or integral with buildings, or to be freestanding (that is, not attached to buildings), in accordance with the National Electrical Code, NFPA 70, and Model Building Codes.

1.2 These requirements cover modules and panels intended for use in systems with a maximum system voltage of 1500 V or less.

1.3 These requirements also cover components intended to provide electrical connection to and mounting facilities for flat-plate photovoltaic modules and panels.

1.4 These requirements do not cover:

1. a) Equipment intended to accept the electrical output from the array, such as power conditioning units (inverters) and batteries;
2. b) Any tracking mechanism;
3. c) Cell assemblies intended to operate under concentrated sunlight;
4. d) Optical concentrators; or
5. e) Combination photovoltaic-thermal modules or panels.

1.5 Deleted

SUMMARY OF TOPICS

The revision of UL 1703 dated May 15, 2024 is being issued to remove the ANSI logo and approval from the title page. No other changes have been made.

NOTE – The Standard for Photovoltaic (PV) Module Safety Qualification – Part 1: Requirements for Construction, UL 61730-1, and the Standard for Photovoltaic (PV) Module Safety Qualification – Part 2: Requirements for Testing, UL 61730-2, are currently published as the ANSI-approved standards covering PV Modules.