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UL60065和CSA60065中都有,请看如下的描述:' a; Q! v7 `$ U/ Z) v' q
The resistance of the connection between the PROTECTIVE EARTH TERMINAL or contact, and parts required to: v& u, S* a! \( B8 k: s5 P: ~
be connected thereto, shall not exceed 0.1 W.8 ?' x' W+ J3 O+ T, _
Compliance is checked by the following test:& v/ f/ Z4 f3 Y) ]9 a6 b$ a! J
The test shall be carried out for 1 min with a test current of 25 A a.c. or d.c. The test voltage shall not
- \1 i9 z& W; |: L; l @/ h4 K- Vexceed 12 V.2 X' r* H9 X' c$ }
NOTE 2 – In Canada, a 30 A test current is used. |
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