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linrong0812 发表于 2012-8-28 19:03 
4 c1 d% C9 m# e6 VUL 8750 7.10.5) G% f G1 g# M! _7 [
Creepage distances shall not be less than clearances 说的是上面的意思?
% Q9 n# _1 |4 X9 ^, t x7.10.5 A eutectic material link or printed wiring board trace relied upon as an overcurrent protective
( v: K+ V6 I- r2 E2 F" {0 kdevice shall be conformal coated or potted, and shall comply with the limited short circuit and foil trace
- R& G. k9 b2 n" L! F! \4 G- J8 O% Kcalibration tests specified in the Standard for Fluorescent-Lamp Ballasts, UL 935. |
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