Third Party Verification Claim

Page 84 of 129 Report No.: JAT2209271146SR-1
UL 859
Clause
Requirement + Test
Result - Remark
Verdict
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54.2.1
Unless it has been shown by previous tests to be
acceptable, an automatic temperature control
provided on an appliance shall be subjected to an
endurance test that shall consist of the number
of cycles of operation indicated in Table 54.1 when
connected as described in 54.1.2. If it is indicated
in the table that the test is to be conducted under
load, the thermostat shall make and break, at a
voltage in accordance with 44.1.13, the maximum
rated current that it carries under any condition of
intended operation of the appliance. There shall
not be dielectric or mechanical breakdown of the
thermostat and no undue burning, pitting, or
welding of the
contacts
P
54.2.2
With reference to Table 54.1, controls are
classified as follows:
P
A temperature-regulating control functions only to
regulate the temperature of the appliance under
conditions of intended use. The breakdown of the
control would not result in a risk of fire, electric
shock, or injury to persons
P
A temperature-limiting control functions only under
conditions that produce temperatures higher than
intended. The breakdown of the control might or
might not result in a risk of fire, electric shock, or
injury to persons
P
A combination temperature-regulating and –
limiting control functions to regulate the
temperature of the appliance under conditions of
intended use, and also serves to reduce the risk of
fire, electric shock, or injury to persons that might
result from temperatures higher than intended
P
55
Test of Thermal Cutoffs (Fusible Links)
N/A
55.1
A thermal cutoff shall open the circuit in the
intended manner without causing the short
circuiting of live parts and without causing live
parts to become grounded to the enclosure. This
determination is to be made with the appliance
connected to a circuit of a voltage in accordance
with 44.1.13 and operated in a position to cause
excessive heating
N/A
55.2
In the case of a hand-supported hair dryer using a
thermal cutoff, each of five samples shall be tested
with the dryer oriented in the position most likely
to:
N/A
Cause molten metal from the cutoff to short- circuit
a heating element or other electrical part or
N/A
Expel molten metal through an enclosure opening
N/A
A separate sample shall be used for each different
test position
N/A