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给个标准明确说明力度的问题的章节参考。
" [. U T) |# y+ ^% u# r2 h! T备注:Figures 7.1就是UL手指。# t& F& H% Y: X, E& n1 G
% s. d$ O% r0 `& S# ^. d2 ] E9 b |
7.4.3 The probes mentioned in 7.4.1 and 7.4.2 and illustrated in Figures 7.1 – 7.4 shall be applied to any! R7 a: z0 k$ t% z6 \7 L
depth that the opening will permit; and shall be rotated or angled before, during, and after insertion
2 G. T) D, Q: E7 t: Nthrough the opening to any position that is necessary to examine the enclosure. The probes illustrated in0 i& M8 Y7 l+ J+ A
Figures 7.1 and 7.3 shall be applied in any possible configuration; and, if necessary, the configuration q+ t" R4 y& C2 q! ]3 F4 o7 A
shall be changed after insertion through the opening.
1 e8 k+ ~& }5 W7 C( d7.4.4 The probes mentioned in 7.4.1 and 7.4.2 shall be used as measuring instruments to judge the! _2 z' W, j3 n/ }6 {
accessibility provided by an opening, and not as instruments to judge the strength of a material; they shall
2 q8 o6 t2 U; ~, G9 t" M; V' h$ `be applied with the minimum force necessary to determine accessibility. |
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