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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。
6 U& W* {/ ~0 w0 |笔记本电脑是用于工作场所么？' c& a6 G* i9 }4 L# c9 o9 N
8 c, m: \! c6 e- \* uElectrical conductors or equipment (See Listing of Specific References under 1910.303 and 1910.307).- [; K- f/ r d% S" F
1910.303(a)# j- O# @* |: L+ {4 W; k
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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) A) m: F2 d4 }5 e1910.303(b)5 }" m' ?7 t. P/ C# z9 a
Examination, installation, and use of equipment -
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1910.303(b)(1)
6 d8 D% q$ S& t& W& ?$ [+ fExamination. 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:: c+ R/ E% j4 e4 o
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1910.303(b)(1)(i)* \9 W2 \; a$ R1 c
Suitability for installation and use in conformity with the provisions of this subpart;
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$ S7 q% z- Q1 `' [9 L, pNote 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 p' R+ d- _1 u' \+ s* Y
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1910.303(b)(1)(ii)/ L& @+ X) A" ]9 S0 G$ g
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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