Summary of Topics s1598_4_sum.htmlSummary of Topics
This new edition of ANSI/UL 1598 includes the following changes in requirements:
Added requirements for mechanical joints and fastenings; luminaires for use in clothes closets; recessed luminaires for installation in air-handling spaces; LED Type Non-IC inherently protected recessed luminaires; supplementary requirements for LED luminaires; reference UL 8750 for requirements; LED components and subassemblies; spacings options using requirements from UL 840; and a new Section (CAN) for polymeric light diffusers and lenses compliance with the National Building Code of Canada
Revised requirements for enclosures; combination HID/incandescent lamp replacement marking for remote ballasted HID luminaires; Rain and Sprinkler Test Methods; self-threading screw torque; polymeric material requirements for LED optics; thermal protection for LED recessed luminaires; electrical spacings to include USA requirement for printed wiring board; flammability requirements for an LED lens and diffuser; factory production-line tests and dielectric voltage-withstand testing (DVWT); to include wall-mounted luminaires; definition of User Maintenance; and font size requirements for product labels
Clarify requirements for luminaires using lampholders having cellulosic fiber husks and use of flexible cord and attachment plugs for connecting luminaires to the branch circuit