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UL60065和CSA60065中都有,请看如下的描述:" V5 j* {3 w4 B% L0 O
The resistance of the connection between the PROTECTIVE EARTH TERMINAL or contact, and parts required to
3 s% [& K+ M$ I' X8 a0 Zbe connected thereto, shall not exceed 0.1 W., N6 r" y. D$ A$ l3 \$ [' }: Y2 E
Compliance is checked by the following test:
$ }* r) V: G: b6 TThe 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
, E e$ [3 N: Y# m. Y& t! wexceed 12 V.# [8 R0 r& M* n& o) U
NOTE 2 – In Canada, a 30 A test current is used. |
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