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linrong0812 发表于 2012-8-28 19:03
3 \ V5 q S# x1 d$ ?, k% d7 XUL 8750 7.10.5
( J) Q$ [, a) h9 B5 ?; kCreepage distances shall not be less than clearances 说的是上面的意思? 9 e3 G% n8 F5 s* v# P/ Z
7.10.5 A eutectic material link or printed wiring board trace relied upon as an overcurrent protective2 v# K: J- N& c& E
device shall be conformal coated or potted, and shall comply with the limited short circuit and foil trace: [" m# A# d8 J# Z4 m0 `) U) |* v
calibration tests specified in the Standard for Fluorescent-Lamp Ballasts, UL 935. |
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