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最近碰到个UL1278标准的关于Warning的问题,有一个没有可拆卸部件的取暖器,一方认为需要这段警告,另一方认为不需要,请大家讨论下到底需要吗
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67.4 A heater shall bear the cautionary marking shown in Figure 67.1. The marking shall be located so. b4 O+ B s' v x4 r
that it is clearly visible if servicing is attempted on the heater and shall have the minimum dimensions) _$ v2 y- D% Z- b+ j" T
specified in 67.15. The height of the symbols shall be at least 1 inch (25.4 mm) and they shall be a color7 ]* ^5 o3 @1 B& v5 y
that contrasts with that of the background and that matches the lettering.
2 [" [- R5 j, P- D- i! |$ }Exception: A heater that complies with 8.10 and 8.12 need not comply with this requirement.
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3 g8 I% s1 N3 @4 E; w1 l7 u5 ]+ |8.10 During the examination of a heater in connection with the requirements in 8.1 – 8.9, a part of the
' n6 A' P# |* L$ Uouter enclosure that may be removed without the use of tools by the user of the heater (to permit the( ?$ y9 s1 Y; h0 { A& b& v
attachment of accessories, to allow access to means for making operating adjustments, or for other
5 |6 F& F$ Z( A1 b) Kreasons) is to be disregarded – that is, it will not be assumed that the part in question affords protection
$ p3 G$ _! C3 X4 O oagainst the risk of electric shock. A warning marking such as that specified in 67.4 is not considered to
& ?* l0 i* |4 |& X0 a) qadequately protect against this risk of electric shock.: d( o3 t3 q' F+ h% c: M: P
! e7 I& G. S7 F8 x# K9 D) X8.12 During the examination of a heater in connection with the requirements in 8.1 – 8.9, a part of the
: Q/ b8 ?1 D( q2 U9 P$ `outer enclosure that is removed with the use of tools by the user of the heater to permit resetting of the# h9 O+ t# I% g; i) }
resettable temperature control is to be disregarded – that is, it will not be assumed that the part in question
L6 n. H$ v) maffords protection against the risk of electric shock, or injury to persons. A warning marking such as that
& Y8 V- ]' w0 |1 m$ Aspecified in 67.4 is not considered to adequately protect against this risk of electric shock, or injury to
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Exception: A heater marked in accordance with 67.4 and that complies with 8.13 need not comply with
# e) u8 o ~* S. z1 E' Q3 u: _8 xthis requirement.8 J! H& P/ C+ ^$ g9 Y% J
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8.13 A product may employ a resettable temperature control when the reset means is inaccessible if% m: n5 J) ]* w- e e! n
designed in a manner that the product cannot be disassembled with readily available tools, such as screw7 N( u7 }6 J) Z/ A- K; Y/ I+ L
drivers, wrenches, and similar tools, and the product is marked in accordance with 67.4. Such fasteners; H$ U1 e0 x, o2 p6 H6 C
as rivets, one way screws, fasteners not readily accessible after assembly, and similar fasteners would be
0 @: ]# P% C( e- _3 t# mconsidered as causing the product to be not readily disassembled.
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