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[UL认证] UL 1278 中警告的问题

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发表于 2016-7-22 14:10 | 显示全部楼层 |阅读模式
广东安规检测
有限公司提供:
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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2 @( \8 f/ Z/ `+ N& P* B9 ~* [" v67.4 A heater shall bear the cautionary marking shown in Figure 67.1. The marking shall be located so9 k# U+ Q, [/ w* ~8 u
that it is clearly visible if servicing is attempted on the heater and shall have the minimum dimensions2 F8 [* D5 ^9 ]7 [
specified in 67.15. The height of the symbols shall be at least 1 inch (25.4 mm) and they shall be a color3 a3 J  L' h, {6 L3 }
that contrasts with that of the background and that matches the lettering.
( m% q5 _3 R- `Exception: A heater that complies with 8.10 and 8.12 need not comply with this requirement.4 ]( z$ w, k7 i& O' ^) [* B- Q, h
6 g# n. t/ B; n8 m
8.10 During the examination of a heater in connection with the requirements in 8.1 – 8.9, a part of the  m  j6 @, i9 K6 ]: D" \5 S
outer enclosure that may be removed without the use of tools by the user of the heater (to permit the$ C, I2 |1 B. c0 Y6 ?
attachment of accessories, to allow access to means for making operating adjustments, or for other$ k: _; ^. Q& L: i; D
reasons) is to be disregarded – that is, it will not be assumed that the part in question affords protection* @0 w) s7 @" E6 O# E. @
against the risk of electric shock. A warning marking such as that specified in 67.4 is not considered to! M# O1 C# j1 p+ Q
adequately protect against this risk of electric shock.
7 d# n1 }  w0 z3 U  q4 Y5 V- h) N& t3 D9 b, W
8.12 During the examination of a heater in connection with the requirements in 8.1 – 8.9, a part of the
  a: T6 A2 X) o" o8 A1 K% Bouter enclosure that is removed with the use of tools by the user of the heater to permit resetting of the# Y! S6 i( J& s
resettable temperature control is to be disregarded – that is, it will not be assumed that the part in question
$ P  R  d0 |1 L) L, \affords protection against the risk of electric shock, or injury to persons. A warning marking such as that- c3 C' k* f9 |0 s3 a4 c& N
specified in 67.4 is not considered to adequately protect against this risk of electric shock, or injury to2 k' N4 d5 N; |. J# g4 M+ Y1 D
persons.# n' ?/ p: @5 R' P/ T% m4 Y/ p, j8 H
Exception: A heater marked in accordance with 67.4 and that complies with 8.13 need not comply with
8 `5 d# `6 i  w1 X0 _: A: X7 Athis requirement.' D- o: p- k/ ?% e: ]
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8.13 A product may employ a resettable temperature control when the reset means is inaccessible if
) }3 v/ G5 A$ }8 b6 g) m1 w2 |* Mdesigned in a manner that the product cannot be disassembled with readily available tools, such as screw
1 b( a2 H* V* }0 z$ Q4 D  zdrivers, wrenches, and similar tools, and the product is marked in accordance with 67.4. Such fasteners
1 x( R) ?1 L* g/ Y* N/ x# T' ^as rivets, one way screws, fasteners not readily accessible after assembly, and similar fasteners would be
( ?% K5 `4 f6 v, i3 Hconsidered as causing the product to be not readily disassembled.
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发表于 2018-6-28 18:32 | 显示全部楼层
我也想问,有高人知道吗
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发表于 2018-7-2 12:29 | 显示全部楼层
帮楼主顶起,期待高手分析
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