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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。
$ V" b( p0 [* f A: e笔记本电脑是用于工作场所么？
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& L; Q" L/ F+ I, t- o7 QElectrical conductors or equipment (See Listing of Specific References under 1910.303 and 1910.307).; U/ q, x% q, Y# g5 f7 `* g3 Z, g
1910.303(a)
& x3 D/ y7 L9 B' S4 z. BApproval. The conductors and equipment required or permitted by this subpart shall be acceptable only if approved, as defined in § 1910.399.% o- j# _/ D4 C8 r. p2 G' L
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1910.303(b)
: g9 P. C- Q; l0 qExamination, installation, and use of equipment -
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5 M% b+ o: }$ t& o1910.303(b)(1)+ w9 @( L; N( v; |5 R9 {
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:! ?' a2 ^# i% X+ A6 c; `- v
$ [' {. b$ o* V1910.303(b)(1)(i)
5 ^1 H& U! t7 P" {! J/ vSuitability for installation and use in conformity with the provisions of this subpart;7 Y2 n2 \! L9 X) e1 ^0 j- y
- [- j/ v8 k( Y1 E4 J5 xNote 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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1 C7 D0 P7 q# J4 p: k3 a7 @1910.303(b)(1)(ii)+ _% V; e4 O3 S8 O* p$ T
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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