buffallo 发表于 2013-10-15 15:41

Nezof 发表于 2013-10-15 15:57

低于25V是可以裸露的，你的软管不是起绝缘作用的，除非你的电源是非隔离的

所以我赞同你的看法

Kimi1 发表于 2013-10-15 17:12

需要做的 跟有没有电击危险无关

stey 发表于 2013-10-15 20:17

IEC 60598-2-20-2010的CLAUSE 20.16是要参考60598-1第13章节。
低压的绝缘材料也需要做球压，提供附加绝缘的塑胶件不需要做。
The ball pressure test does not have to be applied to plastic parts of a luminaire which provide
supplementary insulation.

13.2 Resistance to heat

External parts of insulating material providing protection against electric shock, and parts of
insulating material retaining current-carrying parts or SELV parts in position shall be sufficiently resistant to heat.

13.2.1 Compliance is checked by the following test:
The test is not made on parts of ceramic material or on insulation of wiring.
The test shall be made in a heating cabinet having a temperature 25 °C ± 5 °C in excess of the
operating temperature of the relevant part determined during the temperature test (normal
operation) of Section 12, with a minimum temperature of 125 °C when parts retaining currentcarrying
parts or SELV parts in position are tested, and 75 °C for other parts.

buffallo 发表于 2013-10-15 22:48

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