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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。/ v6 y) l6 `( g Q& T# S2 v
笔记本电脑是用于工作场所么?) h! P z/ {+ w4 G
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Electrical conductors or equipment (See Listing of Specific References under 1910.303 and 1910.307).; w% D' D8 q! ?1 {" g% l
1910.303(a)
3 x% `& A- N/ ?! ?% |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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}( o+ V8 W/ V3 J7 k1910.303(b)
2 h* w' L O: H& K# ^Examination, installation, and use of equipment -
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/ c2 v( E# ?. X) P1910.303(b)(1)* {- S" Z# T* t1 T
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:) {& Z8 w+ h+ K4 M' ?. S1 t( b( |
& w) Y, c9 M% B. p1910.303(b)(1)(i)
8 I! J5 }& U9 h! J: p' x1 JSuitability for installation and use in conformity with the provisions of this subpart;$ ^- @8 e M9 Q/ N# Y3 q y" B: M
- y& R' w. U2 w* Q; c& JNote 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.* B7 _: D2 M" @5 R" N, d1 ~# h
5 q9 H+ G; k5 W: b3 O, J; {: Q: d5 G1910.303(b)(1)(ii)7 w$ v. h- W# B+ d! o
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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