Third Party Verification Claim

Page 26 of 129 Report No.: JAT2209271146SR-1
UL 859
Clause
Requirement + Test
Result - Remark
Verdict
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17.4
A sheathed element, open-wire heating element or
the like shall be judged under the applicable
requirements of this Standard
N/A
17.5
Insulated heating wire shall comply with the
Standard for Appliance Wiring Material, UL 758.
N/A
17.6
Thermistor-type heaters (e.g. PTC or NTC
heaters) shall comply with the Standard for
Thermistor-Type Devices, UL 1434
P
18
Electrical Insulation
P
18.1
General
P
18.1.1
An insulating washer, bushing, or similar part that
is an integral part of an appliance, and a base or
support for the mounting of a current- carrying
part, shall be of a moisture-resistant material that
will not be adversely affected by the temperatures
to which it will be subjected under conditions of
intended use. Molded parts shall be constructed
so that they will have strength and rigidity to
withstand the stresses of intended service
N/A
18.1.2
Insulating material is to be evaluated with respect
to its acceptability for the particular application.
Materials such as mica, some molded compounds,
and certain refractory materials are usually
acceptable for use as the sole support of live
parts. Other materials that shall not be used for
general use, such as magnesium oxide, may be
used if used in conjunction with other insulating
materials, or if so located and protected that the
risk of mechanical damage and the absorption of
moisture are reduced. When it is necessary to
investigate a material to determine its
acceptability, consideration is to be given to its
mechanical strength, insulation resistance, heat-
resistant qualities, the degree to which it is
enclosed or protected, and any other features
having a bearing on the risk of fire, electric shock,
or injury to persons involved in conjunction with
conditions of service. All these factors are to be
considered with respect to thermal aging. When a
polymeric enclosure also serves as an insulating
material, or as the direct or indirect support for any
live part, the polymeric material shall comply with
the requirements specified in 8.2.1
N/A
18.1.3
In the mounting or supporting of a small fragile
insulating part, a screw or other fastening is not to
be so tight as to result in cracking or breaking with
expansion and contraction. Such a part shall be
slightly loose
N/A
18.1.4
A small molded part, such as a brush cap, shall
be constructed so that it will have the strength and
rigidity to withstand stresses during intended use
P