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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。
2 T+ Y0 [+ \3 b' d笔记本电脑是用于工作场所么？! _- E4 ~4 T+ O, ?) M
0 n2 B; g, P, rElectrical conductors or equipment (See Listing of Specific References under 1910.303 and 1910.307).! f6 D# @) p) v6 G* I) S. P8 A- i
1910.303(a)
$ a2 J# V# X& _) eApproval. 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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1910.303(b)
' R, F* w6 k% b9 j3 F0 F; h2 DExamination, installation, and use of equipment -
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! ` }/ J2 Q; [) M7 p h" n1910.303(b)(1)
$ |0 S4 `$ C7 R& o- [8 F7 D4 \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:' z# \6 }- s: w+ D6 g+ L6 z
/ i$ Z, d, Z! y4 o; z& {1910.303(b)(1)(i)
3 k, v l7 l8 D" s/ w6 \Suitability for installation and use in conformity with the provisions of this subpart;! ?' r/ [5 y( T* z
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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.1 K H4 I2 F; m' c; P/ Q8 V& z
. [* x/ c) E4 P" V" c* A1910.303(b)(1)(ii)3 C, B/ d9 R; i+ l8 a
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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