Subject 496

Bulletin Dated: September 12, 2006

SUMMARY OF TOPICS

The following changes in requirements are being proposed for preliminary review and comment:

1. For Preliminary Review Only: Add new requirement to address "cemented joints" for insulating barriers

2. For Preliminary Review Only: Extend E39 mogul base switchless lampholder rating to 2000W in Table 18 to address HID lamps with this rating

3. For Preliminary Review Only: Add rating requirements for compact fluorescent lampholders not in Table 20

4. For Preliminary Review Only: Revise insulation-piercing terminal lampholder temperature test to also cover E12 (candelabra) lampholders

5. For Preliminary Review Only: Add requirements for open rated E26 and E39 metal halide HID lampholders and revise conformity gauges to match current ANSI standard references

6. For Preliminary Review Only: Add supplemental requirements to address lampholders for use with instant-start electronic ballasts

7. For Preliminary Review Only: Add requirements to address non-screwshell type lampholders which have required a pulse rating in excess of 5 kV

8. For Preliminary Review Only: Add requirements covering GU24 and GU24-1 holders restricted to fluorescent and LED self-ballasted lamp and fluorescent lamp adapter use

9. For Preliminary Review Only: Add requirements for weight, size, and moment limitations from previous edition of UL 496

10. For Preliminary Review Only: Add supplemental requirements to address lampholder fittings with photocontrol

11. For Preliminary Review Only: Add temperature test requirements for dimmer-type lampholders

12. For Preliminary Review Only: Clarify requirements for SPE and SPT cord for leads

13. For Preliminary Review Only: Add requirements for proper spacing of male adapter installed in three-way lampholders

14. For Preliminary Review Only: Add mold stress-relief test requirements for thermoplastic enclosures

15. For Preliminary Review Only: Miscellaneous corrections and clarifications