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Standard 1838, Edition 3

Standard for Low Voltage Landscape Lighting Systems

UL CSDS Proposal
Standard 1838, Edition 3 Edition Date: November 27, 2009
Summary of Topics b1838_3_20091127_sum.html

Subject 1838

Bulletin Dated: November 27, 2009


The following changes in requirements to the Standard for Low Voltage Landscape Lighting Systems, UL 1838, are being proposed:

1. Revise definition of "Pure DC," relative to electric shock

2. Revise fire indicator material for abnormal tests to correlate with UL and CSA standards

3. Revise Gasket Adhesion Test to correlate with UL 1598 changes

4. Add requirements for Class 2 power units

5. Reduced low voltage cable sizes for connection to Class 2 power units

6. Waiver of insulation piercing terminal temperature test for Class 2 power units

7. Revise Temperature Test Table to reflect absolute temperature limits

8. Increase surface temperature limits for power units

9. Revise tests on knockouts to correlate with other UL standards

10. Relocate weather test sequence for gasketed power units

11. Expand power supply connection options for direct plug-in power units

12. Revise Overload Test Flow Chart in Figure 29.1

13. Miscellaneous editorial revisions

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