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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。$ X" I8 B0 H2 \9 ?1 K4 y$ B
笔记本电脑是用于工作场所么？) i1 n! b; v$ ]8 n. g& L
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Electrical conductors or equipment (See Listing of Specific References under 1910.303 and 1910.307).
3 E" Z) @1 X6 l# M) y8 Z1910.303(a)4 W. m2 p; G9 ?) U. U% F+ k2 O
Approval. The conductors and equipment required or permitted by this subpart shall be acceptable only if approved, as defined in § 1910.399.8 R4 j$ w6 }6 {7 K' Q' x2 S
. D+ C; ~6 w, ^# f/ V! ~1910.303(b)' N, V/ n8 W( Q6 C
Examination, installation, and use of equipment -
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$ @* T. d- |' H0 f1910.303(b)(1)- A8 O+ {6 T. w; \
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:& m7 r+ s4 V6 Z1 x8 w
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1910.303(b)(1)(i). S7 K: p- r& r" w' h7 |) h$ D9 S
Suitability for installation and use in conformity with the provisions of this subpart;( \6 D8 W5 R V9 x( G0 T
) j' l; ^( B% r U* k% t1 I+ j" j8 cNote 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.* Z9 P$ ]( ?$ O+ v b
4 {$ E9 D" e9 [& N% c1 F4 Q0 o1910.303(b)(1)(ii)6 d. O5 R3 t) |( m% V
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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