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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。
! E5 N M$ \& J( [; j( m. r笔记本电脑是用于工作场所么？+ `$ \% c F# m) K" _& F) n
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Electrical conductors or equipment (See Listing of Specific References under 1910.303 and 1910.307).
2 F/ J% `7 H: O0 K8 E3 B% q, t1910.303(a)
0 b2 @$ [1 s TApproval. 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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) d+ }$ p# v+ x6 z1910.303(b)
" w( n/ [% _1 Q! I$ _7 N3 {Examination, installation, and use of equipment -$ X$ N7 N' i m/ P
* X2 {* _, O x; [9 n& O1910.303(b)(1)
0 m4 _2 O* o5 xExamination. 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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& _2 v/ |9 u; O/ u7 Z# g! f1910.303(b)(1)(i)
9 ?+ r F9 I7 q) i/ nSuitability for installation and use in conformity with the provisions of this subpart;
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. o1 O, \( c' l; S6 mNote 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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1910.303(b)(1)(ii)
0 m/ [/ E# c8 g/ sMechanical strength and durability, including, for parts designed to enclose and protect other equipment, the adequacy of the protection thus provided; |
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