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通过看1910 303,能确定笔记本电脑 出口美国， NRTL 认证是强制还是自愿么？ 答案是自愿性认证。
, \# S' {9 u5 z) Z: j. f3 n笔记本电脑是用于工作场所么？
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* W' C" O/ k& U! i9 oElectrical conductors or equipment (See Listing of Specific References under 1910.303 and 1910.307).- k' [4 [: h6 q1 o5 O, ~; F
1910.303(a)* L" |" f4 w& t' l6 K4 ]: U* M
Approval. The conductors and equipment required or permitted by this subpart shall be acceptable only if approved, as defined in § 1910.399.
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6 I; j5 E3 ~' C9 {0 `- g! u1910.303(b)
5 S: w. i" E9 o \$ F7 q- e- QExamination, installation, and use of equipment -1 C7 [8 J; f7 e# a- m; i, o
* ~: P+ q6 @2 W1910.303(b)(1)3 I, @8 u( \3 \& }9 q3 L
Examination. Electric equipment shall be free from recognized hazards that are likely to cause death or serious physical harm to employees. Safety of equipment shall be determined using the following considerations:
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1910.303(b)(1)(i)- O6 x/ b1 H O4 j; v: D: g
Suitability for installation and use in conformity with the provisions of this subpart;& y7 K+ ^! w" A Z7 p
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Note to paragraph (b)(1)(i) of this section: Suitability of equipment for an identified purpose may be evidenced by listing or labeling for that identified purpose.
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( y g' S- J+ V- n5 d1910.303(b)(1)(ii)# F1 e h ]# p6 r, F( k
Mechanical strength and durability, including, for parts designed to enclose and protect other equipment, the adequacy of the protection thus provided; |
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