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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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- l2 {/ C& n# _. h* V67.4 A heater shall bear the cautionary marking shown in Figure 67.1. The marking shall be located so9 s: ]% c: y8 e# g5 X5 m
that it is clearly visible if servicing is attempted on the heater and shall have the minimum dimensions
. U3 v% G! ^. q- [specified in 67.15. The height of the symbols shall be at least 1 inch (25.4 mm) and they shall be a color
D1 D+ R8 n! ^7 I/ W+ Xthat contrasts with that of the background and that matches the lettering.1 {+ n) e2 V8 C& {: D3 _
Exception: A heater that complies with 8.10 and 8.12 need not comply with this requirement./ f) _- G5 d$ v4 l5 L+ h
" B0 z% i' C* Q3 e+ U8.10 During the examination of a heater in connection with the requirements in 8.1 – 8.9, a part of the9 |" S: k) K5 x/ ~2 [
outer enclosure that may be removed without the use of tools by the user of the heater (to permit the
- Y: M- S- O8 |& D( }3 Jattachment of accessories, to allow access to means for making operating adjustments, or for other
' D7 m' r ]8 e1 [) ireasons) is to be disregarded – that is, it will not be assumed that the part in question affords protection
N; {+ b" k' i: S1 V7 I" B4 `; Y, D/ Sagainst the risk of electric shock. A warning marking such as that specified in 67.4 is not considered to: p8 h+ `" H" n" q# I1 X/ q
adequately protect against this risk of electric shock.
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8.12 During the examination of a heater in connection with the requirements in 8.1 – 8.9, a part of the
" {, S7 W8 t* a5 o& Pouter enclosure that is removed with the use of tools by the user of the heater to permit resetting of the2 Z2 C5 g0 ~/ y
resettable temperature control is to be disregarded – that is, it will not be assumed that the part in question
! a2 X/ k3 y0 v/ M$ {# baffords protection against the risk of electric shock, or injury to persons. A warning marking such as that
- `6 G* L8 [: i i: G7 Y3 N* Qspecified in 67.4 is not considered to adequately protect against this risk of electric shock, or injury to
% p! b# Q! {8 v1 }6 I: o7 b8 qpersons.
8 F4 C# X. ^( bException: A heater marked in accordance with 67.4 and that complies with 8.13 need not comply with
+ P5 Q, O- }5 E3 Q" K0 ~/ _this requirement.8 f7 g4 D. R! ]7 l- e% V$ t
/ p5 _4 s0 W, y! Y; z+ |8.13 A product may employ a resettable temperature control when the reset means is inaccessible if
j% m# m; @# h0 ?; qdesigned in a manner that the product cannot be disassembled with readily available tools, such as screw
8 j- j% O: w+ d3 k& Edrivers, wrenches, and similar tools, and the product is marked in accordance with 67.4. Such fasteners
* g* v% ?2 q, S: V( V3 ias rivets, one way screws, fasteners not readily accessible after assembly, and similar fasteners would be
+ H. I3 a* o: f5 O1 zconsidered as causing the product to be not readily disassembled.& A$ q/ u# H/ ` C
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