UL 1598 PDF

1 Scope

1.1 This Standard applies to luminaires for use in non-hazardous locations and that are intended for installation on branch circuits of 600 V nominal or less between conductors in accordance with the Canadian Electrical Code, Part I (CEC), CSA C22.1, with the U.S. National Electrical Code (NEC), ANSI/NFPA 70, and with the Mexican National Electrical Code, NOM-001-SEDE.

1.2 This Standard does not apply to luminaires covered by other standards. The luminaries not covered by this Standard include:

1. Amateur Movie Lights;

2. Aquarium Lights;

3. Cabinet Lights;

4. Decorative Lighting Strings;

5. Combination Fan/IR Lamps Used for Heating;

6. Electric Signs;

7. Exit Signs;

8. Junction Boxes for Swimming Pool Fixtures;

9. Lamp Adapters;

10. Low-Level Path Marking and Lighting Systems in the United States;

11. Low-Voltage Landscape Lighting as follows:

    1. For products intended for installation in Canada, landscape lighting systems that are 30 V nominal or less; and

    2. For products intended for installation in Mexico, low-voltage landscape lighting devices that are 24 V nominal or less.

    3. For products intended for installation in the United States, low-voltage landscape lighting devices that are of 15 V nominal or less;

12. Low Voltage Lighting Fixtures for Use in Recreational Vehicles;

13. Low Voltage Marine Lighting;

14. Luminaires for Hazardous Locations;

15. Luminaires for Recreational Vehicles in the United States;

16. Marine Navigational Lights;

17. Marine-Type Fixtures;

18. Portable Electric Displays;

19. Portable Hand Lamps;

20. Portable Luminaires;

21. Portable Sun/Heat Lamps;

22. Self-Ballasted Lamps and Lamp Adapters;

23. Stage and Studio Luminaires;

24. Submersible Luminaires;

25. Swimming Pools Luminaires;

26. Temporary Lighting Strings;

27. Therapeutic Lamps;

28. Track Lighting Systems;

29. Under-cabinet Lights in Canada and Cord-connected Under-cabinet Lights in the United States; and

30. Unit Equipment for Emergency Lighting.

1.3 Requirements applicable to light emitting diode (LED) components and subassemblies integral to a luminaire covered by this standard are provided in UL 8750 and CSA C22.2 No. 250.13.

Summary of Topics

This revision of ANSI/UL 1598 dated January 31, 2024 includes the following:

– Grounding of secondary circuits; 6.7.1.6, 6.20.1

– Clarification of 5.7.1.3 and 6.20.5

– Delete orphaned 9.6 header;

– Polymeric Recessed Luminaires Marking Clarification; 12.8.5.2

– Revised alternate method for luminaires physically too small for all required markings;

– Marking size for small luminaires; K.5.1 and K.5.2

– Indoor Wet Locations Environmental Rating; 14.1.2, 14.5.2,

– Editorial updates and corrections; 6.20.6 (USA), 6.20.6 (CAN), 7.2.3.6, Table 6.9.1 (CAN), 8.7.2, 10.4.2, 13.2.4.5; 13.2.4.8, 13.3.4.3; 14.4.5.2, 17.40.1.3, 17.40.1.4, 17.42.1, 18.2.3, 19.17.1, 20.2.5, H.5.7.1, I.7.1 – I.7.3, J.6.1.2, Table 14.4.8.1, Table 20.1.1, Table A.1, Table B.1 (CAN) and Table C.1 (MEX).