UL 482-2020 pdf free download.Portable Sun/Heat L amps.
3.2 Unless indicated otherwise all voltage and current values mentioned in this Standard are root-mean-
square (rms).
4 References
4.1 Any undated reference to a code or standard appearing in the requirements of this standard shall be interpreted as referring to the latest edition of that code or standard.
CONSTRUCTION
5 General
5.1 Portable sun lamps are subject to the Radiation Control for Health and Safety Act of 1968, and the
Federal Food, Drug and Cosmetic Act, as amended by the Safe Medical Act of 1990 and the Medical
Device Amendments of 1992.
6 Frame and Enclosure
6.1 A sun/heat lamp shall be so formed and assembled that it has the strength and rigidity necessary to resist the abuses to which it is likely to be subjected without increasing its risk of fire, electric shock, or injury to persons due to total or partial collapse with resulting reduction of spacings, loosening or displacement of parts, or other serious defects.
6.2 A sunlheat lamp shall have an enclosure of metal or of noncombustible, nonabsorptive insulating
material such as glass, marble, pheno4ic composition, or of a material determined to be acceptable for the
application.
6.3 Among the factors taken into consideration when determining the acceptability of a nonmetallic
enclosure are:
a) The mechanical strength,
b) Resistance to impact,
c) Moisture-absorptive properties,
d) Combustibility and resistance to ignition from electrical sources,
e) Dielectric strength, insulation resistance, and resistance to arc tracking, and
f) Resistance to distortion and creeping at temperatures to which the material may be subjected
under conditions of intended or abnormal usage.
The material is not to display a loss of these properties beyond the minimum acceptable level as a result of aging. See the requirements in the Standard for Polymeric Materials — Use in Electrical Equipment Evaluations, UL 746C.UL 482 pdf download.