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参考下面Ul1598 工厂测试耐压,可以打绝缘电阻( 2.0 MΩ.)+500Vdc 耐压4 @; m) G! K: c% m
% d, h4 k7 ]8 H& ?8 c, cH.18.1.2 The circuitry may be rearranged for the purpose of the test to reduce the likelihood of solid-state component damage while retaining representative dielectric stress of the circuit. % M- z2 W0 b& i( M# w
- z/ c H0 X* S; _# ]
(2) Where a solid-state component (LED) cannot be electrically disconnected, the insulation resistance between live parts and ground at the completion of a 1 min application of a 500 V dc test voltage shall be not less than 2.0 MΩ. |
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